@php
    use App\Http\Controllers\StudentController;
@endphp
@extends('layouts.master')
@section('title', 'Student Import')

@section('style')
    <style></style>
@endsection

@section('script')
    <script>
        $('#file').change(function() {

            var fullPath = document.getElementById('file').value;
            if (fullPath) {
                // ดึงชื่อไฟล์
                var startIndex = (fullPath.indexOf('\\') >= 0 ? fullPath.lastIndexOf('\\') : fullPath.lastIndexOf(
                    '/'));
                var filename = fullPath.substring(startIndex);
                if (filename.indexOf('\\') === 0 || filename.indexOf('/') === 0) {
                    filename = filename.substring(1);
                }
            }

            // ตรวจสอบว่าไฟล์เป็น .xlsx หรือไม่
            var fileExtension = filename.split('.').pop().toLowerCase();
            if (fileExtension !== 'xlsx') {
                alert('❌ Only XLSX files are allowed!'); // แจ้งเตือน Popup
                $('#file').val(''); // รีเซ็ตค่า input file
                $('#show_file').html(''); // เคลียร์ชื่อไฟล์ที่แสดง
                return; // หยุดการทำงาน
            }

            $('#show_file').html(filename);
        })
    </script>
@endsection

@section('content')
    @include('layouts.header')
    <section class="wrapper image-wrapper bg-image bg-overlay text-white" data-image-src="{{ asset('/bg/bgg02.png') }}"
        style="background-image: url('{{ asset('/bg/bgg02.png') }}');">
        <div class="container pt-14 pt-md-16 pb-23 pb-md-15 text-center">
            <div class="row">
                <div class="row">
                    <div class="col-lg-8 col-xxl-7 mx-auto text-center" data-cues="slideInDown" data-group="page-title"
                        data-delay="600">
                        <h1 class="fs-58 mb-2 text-light">Student Import</h1>
                        {{-- <h2 class="fs-16 text-uppercase ls-xl text-light mb-4">Hello! This is Sandbox</h2> --}}
                    </div>
                </div>
            </div>
        </div>
    </section>

    <div class="container py-10">
        <div class="d-flex justify-content-between align-items-center mb-3">
            <div>
                <span class="text-dark fs-30">Student Import</span>
            </div>
            <div>
                {{-- <a href="{{ asset('/') }}" class="btn btn-lg btn-primary rounded-pill p-1 px-3"><i
                    class="uil uil-plus"></i>
                Add</a> --}}
            </div>
        </div>

        <div class="col-lg-12">
            <div class="blog single">
                <div class="card">
                    <div class="card-body">

                        <form method="post" class="contact-form" enctype="multipart/form-data"
                            action="{{ url('/studentimport_readfile') }}">
                            {{ csrf_field() }}

                            <div class="row">
                                <div class="col-md-3">
                                    File Import : <br>
                                    <span style="color:red; font-size:15px; font-weight:normal">(.xlsx only)</span>
                                    <br>
                                    <div>
                                        <a href="{{ asset('/importexcel/studentslistv3.xlsx') }}">sample file</a>
                                    </div>
                                </div>
                                <div class="col-md-9">
                                    <label class="btn btn-primary btn-sm" style="cursor:pointer">
                                        Browse <input type="file" name="file" id="file" accept=".xlsx"
                                            style="display: none;" required>
                                    </label>
                                    <span id="show_file"></span>
                                </div>
                            </div>

                            <hr>
                            <div class="col-12 text-center">
                                <input type="submit" class="btn btn-aqua btn-sm rounded-pill" value="Preview">
                                @if (!empty($data))

                                    @php $error_array = array() @endphp

                                    @foreach ($data as $key => $new_data)
                                        @if($new_data->student_curriculum == '')
                                        @else
                                            @if (StudentController::check_curriculum(trim($new_data->student_curriculum)) == 0)                                        
                                                @php $error_array[] = 'Check the name of curriculum (Short name).' @endphp
                                            @endif
                                        @endif

                                        {{-- @if (StudentController::check_student_id(trim($new_data->student_code)) == 1)
                                            @php $error_array[] = 'Check ID of Student ID.' @endphp
                                        @endif --}}
                                    @endforeach
                                    @if (count($error_array) == 0)
                                        <a href="{{ url('/studentimport_importfile', $name_file) }}"
                                            onclick="return confirm('Confirm Import ?');" id="btn_import">
                                            <input type="button" class="btn btn-green btn-sm rounded-pill" value="Import">
                                        </a>
                                    @else
                                        <br><br>
                                        @php $error_array = array_unique($error_array) @endphp
                                        @foreach ($error_array as $error)
                                            <li style="color: red">{{ $error }}</li>
                                        @endforeach
                                    @endif
                                @endif
                            </div>
                        </form>

                        <br>


                        @if (isset($show))
                            <div class="table-responsive">
                                <table class="table table-hover">
                                    <thead class="thead-ligth">
                                        <tr>
                                            <th style="vertical-align: middle; text-align: center">No.</th>
                                            <th style="vertical-align: middle; text-align: center">Student ID</th>
                                            <th style="vertical-align: middle; text-align: center">Name</th>
                                            <th style="vertical-align: middle; text-align: center">Curriculum</th>
                                            <th style="vertical-align: middle; text-align: center">Status</th>
                                            <th style="vertical-align: middle; text-align: center">Degree</th>
                                            <th style="vertical-align: middle; text-align: center">Blacklist</th>
                                        </tr>
                                    </thead>
                                    @if (!empty($data))
                                        @foreach ($data as $key => $new_data)
                                            <tr>
                                                <td align="center">
                                                    {{ ++$key }}
                                                </td>
                                                <td align="center">
                                                    {{-- @if (StudentController::check_student_id(trim($new_data->student_code)) == 1)
                                                        <span style="color: red">
                                                            {{ $new_data->student_code }}</span>
                                                    @else --}}
                                                        {{ $new_data->student_code }}
                                                    {{-- @endif --}}
                                                </td>
                                                <td align="center">
                                                    {{ $new_data->student_firstname }} {{ $new_data->student_lastname }}
                                                </td>
                                                <td align="center">
                                                    @if (StudentController::check_curriculum(trim($new_data->student_curriculum)) == 0)
                                                        <span style="color: red">
                                                            {{ $new_data->student_curriculum }}</span>
                                                    @else
                                                        {{ $new_data->student_curriculum }}
                                                    @endif
                                                </td>
                                                <td align="center">
                                                    {{ $new_data->student_status }}
                                                </td>
                                                <td align="center">
                                                    {{ $new_data->student_degree }}
                                                </td>
                                                <td align="center">
                                                    {{ $new_data->student_blacklist }}
                                                </td>
                                            </tr>
                                        @endforeach
                                    @endif
                                </table>
                            </div>
                        @endif
                    </div>
                </div>
            </div>
        </div>
    </div>

    @include('layouts.footer')
@endsection