@extends('layouts.master')
@section('title', 'Teaching Load Preview')
@section('style')

<style>

    .timetable-grid-wrapper {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        border: 1px solid #e5e7eb;
        border-radius: 10px;
    }


    .timetable-grid {
        table-layout: fixed;
        width: max-content;
        min-width: 100%;
    }


    .timetable-grid th,
    .timetable-grid td {
        border: 1px solid #dee2e6;
    }


    .timetable-day-column {
        min-width: 130px;
        width: 130px;
        position: sticky;
        left: 0;
        z-index: 3;
        background: #f8f9fa !important;
    }


    .timetable-time-header {
        min-width: 75px;
        width: 75px;
        font-size: 11px;
        white-space: nowrap;
    }


    .timetable-empty-slot {
        min-width: 75px;
        height: 105px;
        background: #ffffff;
    }


    .timetable-class-cell {
        padding: 5px !important;
        background: #f8fbff;
    }


    .timetable-class-box {
        height: 100%;
        min-height: 95px;
        padding: 10px;

        border: 1px solid #d7e3f4;
        border-radius: 8px;

        background: #f4f8ff;

        white-space: normal;
    }


    .timetable-lunch-cell {
        min-width: 150px;

        background: #ffe8e8 !important;

        color: #c0392b;

        vertical-align: middle !important;

        font-size: 12px;
    }

</style>

@endsection

@section('content')
@include('layouts.header')
@include('layouts.title')
<section class="wrapper bg-light">

    <div class="container py-10 py-md-12">


        {{-- ===================================================== --}}
        {{-- PAGE TITLE --}}
        {{-- ===================================================== --}}

        <div class="row mb-5">

            <div class="col-md-12">

                <h3 class="text-primary fw-bold">
                    Teaching Load Preview
                </h3>

                <p class="text-muted mb-0">

                    Please review all information before
                    sending it for approval.

                </p>

            </div>

        </div>



        {{-- ===================================================== --}}
        {{-- TEACHING LOAD INFORMATION --}}
        {{-- ===================================================== --}}

        <div class="card mb-5">

            <div class="card-header bg-primary text-white">

                <b>
                    Teaching Load Information
                </b>

            </div>


            <div class="card-body">

                <div class="row g-4">


                    {{-- Academic Year --}}

                    <div class="col-md-3">

                        <div class="text-muted small">
                            Academic Year
                        </div>

                        <div class="fw-semibold">

                            {{ $teachingLoad->teaching_load_year }}

                        </div>

                    </div>


                    {{-- Semester --}}

                    <div class="col-md-3">

                        <div class="text-muted small">
                            Current Semester
                        </div>

                        <div class="fw-semibold">

                            Semester
                            {{ $teachingLoad->teaching_load_semester }}

                        </div>

                    </div>


                    {{-- Teaching Load Status --}}

                    <div class="col-md-3">

                        <div class="text-muted small">
                            Teaching Load Status
                        </div>

                        <div>

                            @if($teachingLoad->teaching_load_status == 'Draft')

                                <span class="badge bg-soft-secondary text-dark">
                                    Draft
                                </span>

                            @elseif($teachingLoad->teaching_load_status == 'Pending')

                                <span class="badge bg-soft-warning text-warning">
                                    Pending
                                </span>

                            @elseif($teachingLoad->teaching_load_status == 'Approved')

                                <span class="badge bg-soft-success text-success">
                                    Approved
                                </span>

                            @elseif($teachingLoad->teaching_load_status == 'Rejected')

                                <span class="badge bg-soft-danger text-danger">
                                    Rejected
                                </span>

                            @else

                                <span class="badge bg-soft-secondary text-dark">

                                    {{
                                        $teachingLoad->teaching_load_status
                                        ?? '-'
                                    }}

                                </span>

                            @endif

                        </div>

                    </div>


                    {{-- Employee Contract --}}

                    <div class="col-md-3">

                        <div class="text-muted small">
                            Employee Contract
                        </div>

                        <div class="fw-semibold">

                            @if($fcontract)

                                {{
                                    $fcontract->fcontract_start_date
                                    ?? '-'
                                }}

                                -

                                {{
                                    $fcontract->fcontract_end_date
                                    ?? '-'
                                }}

                            @else

                                -

                            @endif

                        </div>

                    </div>


                    {{-- Faculty --}}

                    <div class="col-md-6">

                        <div class="text-muted small">
                            Faculty Member
                        </div>

                        <div class="fw-semibold">

                            {{ $faculty->faculty_title ?? '' }}
                            {{ $faculty->faculty_firstname ?? '' }}
                            {{ $faculty->faculty_lastname ?? '' }}

                        </div>

                    </div>


                    {{-- School --}}

                    <div class="col-md-6">

                        <div class="text-muted small">
                            School
                        </div>

                        <div class="fw-semibold">

                            {{ $faculty->school_name ?? '-' }}

                        </div>

                    </div>


                </div>

            </div>

        </div>
        {{-- ===================================================== --}}
        {{-- WORKLOAD ARRANGEMENT CONTEXT --}}
        {{-- ===================================================== --}}

        @if($adcontract_value)

            <div class="card mb-5">

                <div class="card-header bg-light">

                    <b>
                        Workload Arrangement
                    </b>

                    <span class="text-muted small ms-2">
                        Administrative Position Context
                    </span>

                </div>


                <div class="card-body">


                    <div class="row g-4">


                        <div class="col-md-3">

                            <div class="text-muted small">
                                Administrative Position
                            </div>

                            <div class="fw-semibold">

                                {{
                                    $adcontract_value
                                        ->admin_position_name
                                    ?? '-'
                                }}

                            </div>

                        </div>


                        <div class="col-md-3">

                            <div class="text-muted small">
                                Arrangement Type
                            </div>

                            <div class="fw-semibold">

                                {{
                                    $adcontract_value
                                        ->adposition_type_name
                                    ?? '-'
                                }}

                            </div>

                        </div>


                        <div class="col-md-3">

                            <div class="text-muted small">
                                Arrangement Status
                            </div>

                            <div class="fw-semibold">

                                {{
                                    $adcontract_value->status
                                    ?? '-'
                                }}

                            </div>

                        </div>


                        <div class="col-md-3">

                            <div class="text-muted small">
                                Appointment No.
                            </div>

                            <div class="fw-semibold">

                                {{
                                    $adcontract_value
                                        ->adcontract_no
                                    ?? '-'
                                }}

                            </div>

                        </div>


                    </div>


                    <div class="alert alert-light border mt-4 mb-0">

                        Workload Arrangement and Teaching Load
                        use separate approval workflows.

                    </div>


                </div>

            </div>

        @endif



        {{-- ===================================================== --}}
        {{-- 1. TEACHING LOAD --}}
        {{-- ===================================================== --}}

        <div class="card mb-5">

            <div class="card-body">


                <h4 class="text-primary fw-bold mb-4">

                    1. Teaching Load

                </h4>
                <div class="d-flex align-items-center flex-wrap gap-3">
                    
                    <div>
                        <span class="fw-semibold">a) Lecture</span>
                    </div>

                    <div class="text-muted">=</div>

                    <div class="badge bg-pale-green text-green px-4 py-2 fs-15">
                        12 Credits, 24 Hours/Week
                    </div>

                    <div class="ms-5 fw-semibold text-primary">
                        TOR
                    </div>

                    <div class="text-muted">=</div>

                    <div class="badge bg-pale-ash text-dark px-4 py-2 fs-15">
                        12 Credits, 24 Hours/Week
                    </div>

                </div>

                {{-- ================================================= --}}
                {{-- 1a Lecture --}}
                {{-- ================================================= --}}

                


                @foreach([1,2,3] as $semester)

                    @php

                        $rows =
                            $lecture[$semester]
                            ?? collect();

                    @endphp


                    <div class="mb-5">


                        <h6 class="text-muted fw-semibold mb-3">

                            Academic Year
                            {{ $teachingLoad->teaching_load_year }}

                            - Semester {{ $semester }}

                        </h6>


                        <div class="table-responsive">

                            <table class="table table-bordered align-middle">

                                <thead class="table-light">

                                    <tr>

                                        <th>No.</th>

                                        <th>
                                            Course No.
                                        </th>

                                        <th>
                                            Course
                                        </th>

                                        <th>
                                            Portions (%)
                                        </th>

                                        <th>
                                            Sec.No.
                                        </th>

                                        <th>
                                            No. of Students
                                        </th>

                                        <th>
                                            No. of Weeks
                                        </th>

                                        <th>
                                            Lecture (Hr/Wk)
                                        </th>

                                        <th>
                                            Credits
                                        </th>

                                        <th>
                                            Contact (Hr/Wk)
                                        </th>

                                        <th>
                                            Source
                                        </th>

                                    </tr>

                                </thead>


                                <tbody>

                                    @forelse($rows as $key => $row)

                                        <tr>

                                            <td>
                                                {{ $key + 1 }}
                                            </td>

                                            <td>
                                                {{ $row->course_code }}
                                            </td>

                                            <td>
                                                {{ $row->course_name }}
                                            </td>

                                            <td>
                                                {{ $row->course_portions }}
                                            </td>

                                            <td>
                                                {{ $row->course_section }}
                                            </td>

                                            <td>
                                                {{ $row->course_student }}
                                            </td>

                                            <td>
                                                {{ $row->course_week }}
                                            </td>

                                            <td>
                                                {{ $row->course_lecture }}
                                            </td>

                                            <td>
                                                {{ $row->course_credit }}
                                            </td>

                                            <td>
                                                {{ $row->course_contact }}
                                            </td>

                                            <td>

                                                @if(($row->source ?? 'AUTO') == 'AUTO')

                                                    <span class="badge bg-soft-primary text-primary">
                                                        AUTO
                                                    </span>

                                                @else

                                                    <span class="badge bg-soft-warning text-warning">
                                                        MANUAL
                                                    </span>

                                                @endif

                                            </td>

                                        </tr>


                                    @empty

                                        <tr>

                                            <td colspan="11"
                                                class="text-center text-muted py-4">

                                                No lecture data.

                                            </td>

                                        </tr>

                                    @endforelse

                                </tbody>

                            </table>

                        </div>

                    </div>

                @endforeach



                <hr class="my-5">



                {{-- ================================================= --}}
                {{-- 1b Laboratory --}}
                {{-- ================================================= --}}

                <h5 class="fw-bold mb-4">

                    b) Laboratory

                </h5>


                @foreach([1,2,3] as $semester)

                    @php

                        $rows =
                            $laboratory[$semester]
                            ?? collect();

                    @endphp


                    <div class="mb-5">


                        <h6 class="text-muted fw-semibold mb-3">

                            Academic Year
                            {{ $teachingLoad->teaching_load_year }}

                            - Semester {{ $semester }}

                        </h6>


                        <div class="table-responsive">

                            <table class="table table-bordered align-middle">

                                <thead class="table-light">

                                    <tr>

                                        <th>No.</th>

                                        <th>
                                            Course No.
                                        </th>

                                        <th>
                                            Course
                                        </th>

                                        <th>
                                            Portions (%)
                                        </th>

                                        <th>
                                            Sec.No.
                                        </th>

                                        <th>
                                            No. of Students
                                        </th>

                                        <th>
                                            No. of Lecturers
                                        </th>

                                        <th>
                                            Lab.&Lect (Hr/Wk)
                                        </th>

                                        <th>
                                            Credits
                                        </th>

                                        <th>
                                            Contact (Hr/Wk)
                                        </th>

                                        <th>
                                            Source
                                        </th>

                                    </tr>

                                </thead>


                                <tbody>

                                    @forelse($rows as $key => $row)

                                        <tr>

                                            <td>
                                                {{ $key + 1 }}
                                            </td>

                                            <td>
                                                {{ $row->course_code }}
                                            </td>

                                            <td>
                                                {{ $row->course_name }}
                                            </td>

                                            <td>
                                                {{ $row->course_portions }}
                                            </td>

                                            <td>
                                                {{ $row->course_section }}
                                            </td>

                                            <td>
                                                {{ $row->course_student }}
                                            </td>

                                            <td>
                                                {{ $row->course_lab_lect }}
                                            </td>

                                            <td>
                                                {{ $row->course_week }}
                                            </td>

                                            <td>
                                                {{ $row->course_credit }}
                                            </td>

                                            <td>
                                                {{ $row->course_contact }}
                                            </td>

                                            <td>

                                                @if(($row->source ?? 'AUTO') == 'AUTO')

                                                    <span class="badge bg-soft-primary text-primary">
                                                        AUTO
                                                    </span>

                                                @else

                                                    <span class="badge bg-soft-warning text-warning">
                                                        MANUAL
                                                    </span>

                                                @endif

                                            </td>

                                        </tr>


                                    @empty

                                        <tr>

                                            <td colspan="11"
                                                class="text-center text-muted py-4">

                                                No laboratory data.

                                            </td>

                                        </tr>

                                    @endforelse

                                </tbody>

                            </table>

                        </div>

                    </div>

                @endforeach


            </div>

        </div>



        {{-- ===================================================== --}}
        {{-- 2. SUPERVISION --}}
        {{-- ===================================================== --}}

        <div class="card mb-5">

            <div class="card-body">


                <h4 class="text-primary fw-bold mb-4">

                    2. Supervision of Senior Project /
                    Extended Training /
                    Special Problems /
                    Selected Topic / Others

                </h4>


                {{-- ================================================= --}}
                {{-- 2a Senior --}}
                {{-- ================================================= --}}

                <h5 class="fw-bold mb-4">

                    a) Senior Project /
                    Extended Training Requirement

                </h5>


                @foreach([1,2,3] as $semester)

                    @php

                        $rows =
                            $senior[$semester]
                            ?? collect();

                    @endphp


                    <div class="mb-5">

                        <h6 class="text-muted fw-semibold mb-3">

                            Semester {{ $semester }}

                        </h6>


                        <div class="table-responsive">

                            <table class="table table-bordered">

                                <thead class="table-light">

                                    <tr>

                                        <th>No.</th>

                                        <th>
                                            Course No.
                                        </th>

                                        <th>
                                            Course
                                        </th>

                                        <th>
                                            No. of Students
                                        </th>

                                        <th>
                                            Credits
                                        </th>

                                        <th>
                                            Contact (Hr/Wk)
                                        </th>

                                        <th>
                                            Source
                                        </th>

                                    </tr>

                                </thead>


                                <tbody>

                                    @forelse($rows as $key => $row)

                                        <tr>

                                            <td>
                                                {{ $key + 1 }}
                                            </td>

                                            <td>
                                                {{ $row->senior_course_code }}
                                            </td>

                                            <td>
                                                {{ $row->senior_course_name }}
                                            </td>

                                            <td>
                                                {{ $row->senior_student_no }}
                                            </td>

                                            <td>
                                                {{ $row->senior_credits }}
                                            </td>

                                            <td>
                                                {{ $row->senior_contact }}
                                            </td>

                                            <td>

                                                @if(($row->source ?? 'AUTO') == 'AUTO')

                                                    <span class="badge bg-soft-primary text-primary">
                                                        AUTO
                                                    </span>

                                                @else

                                                    <span class="badge bg-soft-warning text-warning">
                                                        MANUAL
                                                    </span>

                                                @endif

                                            </td>

                                        </tr>

                                    @empty

                                        <tr>

                                            <td colspan="7"
                                                class="text-center text-muted py-4">

                                                No Senior Project data.

                                            </td>

                                        </tr>

                                    @endforelse

                                </tbody>

                            </table>

                        </div>

                    </div>

                @endforeach



                <hr class="my-5">



                {{-- ================================================= --}}
                {{-- 2b Supervision --}}
                {{-- ================================================= --}}

                <h5 class="fw-bold mb-4">

                    b) Supervision for Master and Doctoral Students

                </h5>


                @foreach([1,2,3] as $semester)

                    @php

                        $rows =
                            $supervision[$semester]
                            ?? collect();

                    @endphp


                    <div class="mb-5">


                        <h6 class="text-muted fw-semibold mb-3">

                            Semester {{ $semester }}

                        </h6>


                        <div class="table-responsive">

                            <table class="table table-bordered">

                                <thead class="table-light">

                                    <tr>

                                        <th>No.</th>

                                        <th>
                                            Student Code
                                        </th>

                                        <th>
                                            Name
                                        </th>

                                        <th>
                                            Level
                                        </th>

                                        <th>
                                            No. of Students
                                        </th>

                                        <th>
                                            Credits
                                        </th>

                                        <th>
                                            Contact (Hr/Wk)
                                        </th>

                                        <th>
                                            Source
                                        </th>

                                    </tr>

                                </thead>


                                <tbody>

                                    @forelse($rows as $key => $row)

                                        <tr>

                                            <td>
                                                {{ $key + 1 }}
                                            </td>

                                            <td>
                                                {{ $row->supervision_student_code }}
                                            </td>

                                            <td>

                                                {{ $row->supervision_title }}

                                                {{ $row->supervision_fullname }}

                                            </td>

                                            <td>
                                                {{ $row->supervision_level }}
                                            </td>

                                            <td>
                                                {{ $row->supervision_student_no }}
                                            </td>

                                            <td>
                                                {{ $row->supervision_credits }}
                                            </td>

                                            <td>
                                                {{ $row->supervision_contact }}
                                            </td>

                                            <td>

                                                @if(($row->source ?? 'AUTO') == 'AUTO')

                                                    <span class="badge bg-soft-primary text-primary">
                                                        AUTO
                                                    </span>

                                                @else

                                                    <span class="badge bg-soft-warning text-warning">
                                                        MANUAL
                                                    </span>

                                                @endif

                                            </td>

                                        </tr>

                                    @empty

                                        <tr>

                                            <td colspan="8"
                                                class="text-center text-muted py-4">

                                                No supervision data.

                                            </td>

                                        </tr>

                                    @endforelse

                                </tbody>

                            </table>

                        </div>

                    </div>

                @endforeach


            </div>

        </div>



        {{-- ===================================================== --}}
        {{-- 3. INTERNAL COMMITTEES --}}
        {{-- ===================================================== --}}

        <div class="card mb-5">

            <div class="card-body">

                <h4 class="text-primary fw-bold mb-4">
                    3. Internal Committees
                </h4>


                <div class="table-responsive">

                    <table class="table table-bordered align-middle mb-0">

                        <thead class="table-light">

                            <tr>

                                <th
                                    width="60"
                                    class="text-center"
                                >
                                    No.
                                </th>

                                <th>
                                    Internal Committees Name
                                </th>

                                <th
                                    width="220"
                                    class="text-center"
                                >
                                    Document
                                </th>

                            </tr>

                        </thead>


                        <tbody>

                            @forelse($committee as $key => $row)

                                <tr>

                                    <td class="text-center">
                                        {{ $key + 1 }}
                                    </td>


                                    <td>

                                        <span class="fw-semibold">
                                            {{ $row->ic_name ?? '-' }}
                                        </span>

                                    </td>


                                    <td class="text-center">

                                        @if(!empty($row->ic_documents))

                                            <a
                                                href="{{ asset(
                                                    'file/internal_committee/'
                                                    . $row->ic_documents
                                                ) }}"
                                                target="_blank"
                                                class="btn btn-sm btn-soft-primary rounded-pill"
                                            >

                                                <i class="uil uil-file-alt me-1"></i>

                                                View File

                                            </a>

                                        @else

                                            <span class="text-muted">
                                                -
                                            </span>

                                        @endif

                                    </td>

                                </tr>

                            @empty

                                <tr>

                                    <td
                                        colspan="3"
                                        class="text-center text-muted py-4"
                                    >
                                        No Internal Committees found.
                                    </td>

                                </tr>

                            @endforelse

                        </tbody>

                    </table>

                </div>

            </div>

        </div>


        {{-- ===================================================== --}}
        {{-- 4. TIMETABLE --}}
        {{-- ===================================================== --}}

        <div class="card mb-5">

            <div class="card-body">

                <h4 class="text-primary fw-bold mb-4">
                    4. Timetable
                </h4>


                @foreach([1,2,3] as $semester)

                    @php

                        $rows =
                            $timetable[$semester]
                            ?? collect();


                        $regularRows =
                            $rows
                            ->filter(function ($row) {

                                return trim(
                                    $row->timetable_activity ?? ''
                                )
                                ===
                                'Regular Teaching Schedule';

                            })
                            ->values();


                        $extraRows =
                            $rows
                            ->filter(function ($row) {

                                return trim(
                                    $row->timetable_activity ?? ''
                                )
                                ===
                                'Extra Teaching Schedule';

                            })
                            ->values();


                        $scheduleGroups = [

                            'Regular Teaching Schedule'
                                => $regularRows,

                            'Extra Teaching Schedule'
                                => $extraRows

                        ];

                    @endphp


                    <div class="mb-6">

                        <h5 class="fw-bold text-primary mb-4">

                            Teaching Schedule Preview
                            - Semester {{ $semester }}

                        </h5>


                        @foreach($scheduleGroups as $scheduleName => $gridRows)

                            <div class="mb-5">

                                <div class="d-flex align-items-center mb-3">

                                    @if($scheduleName == 'Regular Teaching Schedule')

                                        <span class="badge bg-soft-primary text-primary me-2">
                                            Regular
                                        </span>

                                    @else

                                        <span class="badge bg-soft-warning text-warning me-2">
                                            Extra
                                        </span>

                                    @endif


                                    <h6 class="fw-bold mb-0">
                                        {{ $scheduleName }}
                                    </h6>

                                </div>


                                @if($gridRows->isEmpty())

                                    <div class="alert alert-light border text-muted">

                                        No {{ $scheduleName }}
                                        found for Semester {{ $semester }}.

                                    </div>

                                @else

                                    @php

                                        $days = [
                                            'Monday',
                                            'Tuesday',
                                            'Wednesday',
                                            'Thursday',
                                            'Friday',
                                            'Saturday',
                                            'Sunday'
                                        ];


                                        $timeToMinutes = function ($time) {

                                            if (empty($time)) {
                                                return null;
                                            }

                                            $time = substr($time, 0, 5);

                                            [$hour, $minute] =
                                                array_map(
                                                    'intval',
                                                    explode(':', $time)
                                                );

                                            return
                                                ($hour * 60)
                                                + $minute;

                                        };


                                        $slotMinutes = 30;


                                        $minStart =
                                            $gridRows
                                            ->map(function ($row) use ($timeToMinutes) {

                                                return $timeToMinutes(
                                                    $row->timetable_time_start
                                                );

                                            })
                                            ->filter(function ($value) {

                                                return $value !== null;

                                            })
                                            ->min();


                                        $maxEnd =
                                            $gridRows
                                            ->map(function ($row) use ($timeToMinutes) {

                                                return $timeToMinutes(
                                                    $row->timetable_time_end
                                                );

                                            })
                                            ->filter(function ($value) {

                                                return $value !== null;

                                            })
                                            ->max();


                                        $gridStart =
                                            $minStart
                                            ?? (8 * 60);


                                        $gridEnd =
                                            $maxEnd
                                            ?? (17 * 60);


                                        $gridStart =
                                            floor(
                                                $gridStart
                                                /
                                                $slotMinutes
                                            )
                                            *
                                            $slotMinutes;


                                        $gridEnd =
                                            ceil(
                                                $gridEnd
                                                /
                                                $slotMinutes
                                            )
                                            *
                                            $slotMinutes;


                                        $slotCount =
                                            ($gridEnd - $gridStart)
                                            /
                                            $slotMinutes;

                                    @endphp


                                    <div class="timetable-grid-wrapper">

                                        <table class="table table-bordered timetable-grid mb-0">

                                            <thead class="table-light">

                                                <tr>

                                                    <th class="timetable-day-column">
                                                        Day / Time
                                                    </th>


                                                    @for($slot = 0; $slot < $slotCount; $slot++)

                                                        @php

                                                            $startMinutes =
                                                                $gridStart
                                                                +
                                                                ($slot * $slotMinutes);

                                                            $endMinutes =
                                                                $startMinutes
                                                                +
                                                                $slotMinutes;


                                                            $startHour =
                                                                floor($startMinutes / 60);

                                                            $startMinute =
                                                                $startMinutes % 60;


                                                            $endHour =
                                                                floor($endMinutes / 60);

                                                            $endMinute =
                                                                $endMinutes % 60;


                                                            $startLabel =
                                                                sprintf(
                                                                    '%02d:%02d',
                                                                    $startHour,
                                                                    $startMinute
                                                                );


                                                            $endLabel =
                                                                sprintf(
                                                                    '%02d:%02d',
                                                                    $endHour,
                                                                    $endMinute
                                                                );

                                                        @endphp


                                                        <th class="text-center timetable-time-header">

                                                            <div>
                                                                {{ $startLabel }}
                                                            </div>

                                                            <div class="small text-muted">
                                                                -
                                                            </div>

                                                            <div>
                                                                {{ $endLabel }}
                                                            </div>

                                                        </th>

                                                    @endfor

                                                </tr>

                                            </thead>


                                            <tbody>

                                                @foreach($days as $day)

                                                    @php

                                                        $dayRows =
                                                            $gridRows
                                                            ->filter(function ($row) use ($day) {

                                                                return strtoupper(
                                                                    trim(
                                                                        $row->timetable_date
                                                                    )
                                                                )
                                                                ===
                                                                strtoupper($day);

                                                            })
                                                            ->sortBy(
                                                                'timetable_time_start'
                                                            )
                                                            ->values();


                                                        $position = 0;

                                                    @endphp


                                                    <tr>

                                                        <td class="fw-bold bg-light timetable-day-column">

                                                            {{ $day }}

                                                        </td>


                                                        @while($position < $slotCount)

                                                            @php

                                                                $slotStart =
                                                                    $gridStart
                                                                    +
                                                                    (
                                                                        $position
                                                                        *
                                                                        $slotMinutes
                                                                    );


                                                                $classes =
                                                                    $dayRows
                                                                    ->filter(
                                                                        function ($row) use (
                                                                            $timeToMinutes,
                                                                            $slotStart,
                                                                            $slotMinutes,
                                                                            $gridStart
                                                                        ) {

                                                                            $start =
                                                                                $timeToMinutes(
                                                                                    $row->timetable_time_start
                                                                                );


                                                                            if ($start === null) {
                                                                                return false;
                                                                            }


                                                                            $normalizedStart =
                                                                                $gridStart
                                                                                +
                                                                                floor(
                                                                                    (
                                                                                        $start
                                                                                        -
                                                                                        $gridStart
                                                                                    )
                                                                                    /
                                                                                    $slotMinutes
                                                                                )
                                                                                *
                                                                                $slotMinutes;


                                                                            return
                                                                                $normalizedStart
                                                                                ==
                                                                                $slotStart;

                                                                        }
                                                                    );


                                                                $hasClass =
                                                                    $classes->count() > 0;

                                                            @endphp


                                                            @if($hasClass)

                                                                @php

                                                                    $classMaxEnd =
                                                                        $classes
                                                                        ->map(
                                                                            function ($row) use ($timeToMinutes) {

                                                                                return $timeToMinutes(
                                                                                    $row->timetable_time_end
                                                                                );

                                                                            }
                                                                        )
                                                                        ->filter()
                                                                        ->max();


                                                                    $duration =
                                                                        max(
                                                                            $slotMinutes,
                                                                            $classMaxEnd
                                                                            -
                                                                            $slotStart
                                                                        );


                                                                    $colspan =
                                                                        (int) ceil(
                                                                            $duration
                                                                            /
                                                                            $slotMinutes
                                                                        );


                                                                    $remainingSlots =
                                                                        $slotCount
                                                                        -
                                                                        $position;


                                                                    $colspan =
                                                                        min(
                                                                            $colspan,
                                                                            $remainingSlots
                                                                        );

                                                                @endphp


                                                                <td
                                                                    colspan="{{ $colspan }}"
                                                                    class="align-top timetable-slot timetable-class-cell">


                                                                    @foreach($classes as $class)

                                                                        <div class="timetable-class-box">


                                                                            <div class="fw-bold fs-14">

                                                                                {{ $class->timetable_course_code }}

                                                                            </div>


                                                                            <div class="small">

                                                                                {{ $class->timetable_course_name }}

                                                                            </div>


                                                                            <div class="small text-muted mt-1">

                                                                                <i class="uil uil-clock"></i>

                                                                                {{
                                                                                    substr(
                                                                                        $class->timetable_time_start,
                                                                                        0,
                                                                                        5
                                                                                    )
                                                                                }}

                                                                                -

                                                                                {{
                                                                                    substr(
                                                                                        $class->timetable_time_end,
                                                                                        0,
                                                                                        5
                                                                                    )
                                                                                }}

                                                                            </div>


                                                                            @if(!empty($class->timetable_room))

                                                                                <div class="small mt-1">

                                                                                    <i class="uil uil-map-marker"></i>

                                                                                    Room:
                                                                                    {{ $class->timetable_room }}

                                                                                </div>

                                                                            @endif


                                                                            <div class="mt-2">

                                                                                @if(
                                                                                    $class->timetable_teaching_type
                                                                                    ==
                                                                                    'Lecture'
                                                                                )

                                                                                    <span class="badge bg-soft-primary text-primary">

                                                                                        Lecture

                                                                                    </span>

                                                                                @elseif(
                                                                                    $class->timetable_teaching_type
                                                                                    ==
                                                                                    'Laboratory'
                                                                                )

                                                                                    <span class="badge bg-soft-warning text-warning">

                                                                                        Laboratory

                                                                                    </span>

                                                                                @endif

                                                                            </div>


                                                                        </div>

                                                                    @endforeach


                                                                </td>


                                                                @php

                                                                    $position += $colspan;

                                                                @endphp


                                                            @elseif($slotStart == (12 * 60))

                                                                @php

                                                                    $remainingSlots =
                                                                        $slotCount
                                                                        -
                                                                        $position;

                                                                    $lunchColspan =
                                                                        min(
                                                                            2,
                                                                            $remainingSlots
                                                                        );

                                                                @endphp


                                                                <td
                                                                    colspan="{{ $lunchColspan }}"
                                                                    class="timetable-lunch-cell text-center">

                                                                    <div>
                                                                        <strong>
                                                                            Lunch
                                                                        </strong>
                                                                    </div>

                                                                    <small>
                                                                        12:00 - 13:00
                                                                    </small>

                                                                </td>


                                                                @php

                                                                    $position +=
                                                                        $lunchColspan;

                                                                @endphp


                                                            @else

                                                                <td class="timetable-empty-slot">
                                                                    &nbsp;
                                                                </td>


                                                                @php
                                                                    $position++;
                                                                @endphp

                                                            @endif


                                                        @endwhile


                                                    </tr>


                                                @endforeach


                                            </tbody>


                                        </table>

                                    </div>

                                @endif


                            </div>


                        @endforeach


                    </div>


                @endforeach


            </div>

        </div>

        {{-- ===================================================== --}}
        {{-- ACTION --}}
        {{-- ===================================================== --}}

        <div class="card">

            <div class="card-body">


                <div class="d-flex justify-content-between align-items-center">


                    {{-- Back --}}

                    <a
                        href="{{ route(
                            'teachingload.form',
                            $teachingLoad->teaching_load_id
                        ) }}"
                        class="btn btn-green">

                        <i class="uil uil-arrow-left"></i>

                        Back to Edit

                    </a>



                    {{-- Send Approve --}}

                    <form
                        method="POST"
                        action="{{ route(
                            'teachingload.sendApprove.new',
                            $teachingLoad->teaching_load_id
                        ) }}">

                        @csrf


                        <button
                            type="submit"
                            class="btn btn-success"
                            onclick="
                                return confirm(
                                    'Are you sure you want to send this Teaching Load for approval?'
                                );
                            ">

                            <i class="uil uil-message"></i>

                            Send to Approve

                        </button>

                    </form>


                </div>

            </div>

        </div>


    </div>

</section>

@endsection