@extends('simaju.layouts.main')

@section('title', 'Upload Modul Ajar')
@section('page-title', 'Upload Modul Ajar')

@section('content')
<div class="max-w-3xl mx-auto">
    <div class="bg-white rounded-xl shadow-sm border border-gray-100 p-6">

        <form action="{{ route('simaju.modul-ajar.store') }}"
              method="POST"
              enctype="multipart/form-data">
            @csrf

            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">

                {{-- Guru --}}
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        Guru *
                    </label>
                    <select name="guru_id" required
                        class="w-full px-4 py-2 border rounded-lg @error('guru_id') border-red-500 @enderror">
                        <option value="">Pilih Guru</option>
                        @foreach($guruList as $g)
                            <option value="{{ $g->id }}"
                                {{ old('guru_id', $currentGuruId ?? '') == $g->id ? 'selected' : '' }}>
                                {{ $g->nama }}
                            </option>
                        @endforeach
                    </select>
                    @error('guru_id')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

                {{-- Jurusan --}}
                <div>
                    <label for="jurusan_id" class="block text-sm font-medium text-gray-700 mb-1">
                        Jurusan *
                    </label>
                    <select id="jurusan_id" name="jurusan_id" required
                        class="w-full px-4 py-2 border rounded-lg @error('jurusan_id') border-red-500 @enderror">
                        <option value="">Pilih Jurusan</option>
                        @foreach($jurusanList as $j)
                            <option value="{{ $j->id }}"
                                {{ (string) old('jurusan_id') === (string) $j->id ? 'selected' : '' }}>
                                {{ $j->nama_jurusan ?? $j->nama ?? $j->nama_jurusan ?? ('Jurusan ' . $j->id) }}
                            </option>
                        @endforeach
                    </select>
                    @error('jurusan_id')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

                {{-- Kelas --}}
                <div>
                    <label for="kelas_id" class="block text-sm font-medium text-gray-700 mb-1">
                        Kelas *
                    </label>
                    <select id="kelas_id" name="kelas_id" required
                        class="w-full px-4 py-2 border rounded-lg @error('kelas_id') border-red-500 @enderror">
                        <option value="">Pilih Jurusan Terlebih Dahulu</option>
                        @foreach($kelasList as $k)
                            <option value="{{ $k->id }}"
                                data-jurusan-id="{{ $k->jurusan_id }}"
                                {{ (string) old('kelas_id') === (string) $k->id ? 'selected' : '' }}>
                                {{ $k->nama_kelas }}
                            </option>
                        @endforeach
                    </select>
                    @error('kelas_id')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

                {{-- Mata Pelajaran --}}
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        Mata Pelajaran *
                    </label>
                    <select name="mata_pelajaran_id" required
                        class="w-full px-4 py-2 border rounded-lg @error('mata_pelajaran_id') border-red-500 @enderror">
                        <option value="">Pilih Mapel</option>
                        @foreach($mapelList as $m)
                            <option value="{{ $m->id }}"
                                {{ old('mata_pelajaran_id') == $m->id ? 'selected' : '' }}>
                                {{ $m->kode_mapel }} - {{ $m->nama_mapel }}
                            </option>
                        @endforeach
                    </select>
                    @error('mata_pelajaran_id')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

                {{-- TANGGAL MENGAJAR: FIELD BARU --}}
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        Tanggal Mengajar *
                    </label>
                    <input
                        type="date"
                        name="tanggal_mengajar"
                        value="{{ old('tanggal_mengajar') }}"
                        required
                        class="w-full px-4 py-2 border rounded-lg @error('tanggal_mengajar') border-red-500 @enderror">
                    <p class="text-xs text-gray-500 mt-1">
                        Pilih tanggal pelaksanaan pembelajaran.
                    </p>
                    @error('tanggal_mengajar')
                        <p class="text-red-500 text-xs mt-1">
                            {{ $message }}
                        </p>
                    @enderror
                </div>

                {{-- Tahun Ajaran --}}
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        Tahun Ajaran *
                    </label>
                    <input
                        type="text"
                        name="tahun_ajaran"
                        value="{{ old('tahun_ajaran', date('Y') . '/' . (date('Y') + 1)) }}"
                        required
                        placeholder="2026/2027"
                        class="w-full px-4 py-2 border rounded-lg @error('tahun_ajaran') border-red-500 @enderror">
                    @error('tahun_ajaran')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

                {{-- Semester --}}
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        Semester *
                    </label>
                    <select name="semester" required
                        class="w-full px-4 py-2 border rounded-lg @error('semester') border-red-500 @enderror">
                        <option value="ganjil" {{ old('semester', 'ganjil') == 'ganjil' ? 'selected' : '' }}>
                            Ganjil
                        </option>
                        <option value="genap" {{ old('semester') == 'genap' ? 'selected' : '' }}>
                            Genap
                        </option>
                    </select>
                    @error('semester')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

                {{-- Status --}}
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        Status *
                    </label>
                    <select name="status" required
                        class="w-full px-4 py-2 border rounded-lg @error('status') border-red-500 @enderror">
                        <option value="draft" {{ old('status', 'draft') == 'draft' ? 'selected' : '' }}>
                            Draft
                        </option>
                        <option value="published" {{ old('status') == 'published' ? 'selected' : '' }}>
                            Published
                        </option>
                    </select>
                    @error('status')
                        <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                    @enderror
                </div>

            </div>

            {{-- Judul Modul --}}
            <div class="mt-4">
                <label class="block text-sm font-medium text-gray-700 mb-1">
                    Judul Modul *
                </label>
                <input
                    type="text"
                    name="judul"
                    value="{{ old('judul') }}"
                    required
                    placeholder="Judul modul ajar"
                    class="w-full px-4 py-2 border rounded-lg @error('judul') border-red-500 @enderror">
                @error('judul')
                    <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                @enderror
            </div>

            {{-- Deskripsi --}}
            <div class="mt-4">
                <label class="block text-sm font-medium text-gray-700 mb-1">
                    Deskripsi
                </label>
                <textarea
                    name="deskripsi"
                    rows="2"
                    class="w-full px-4 py-2 border rounded-lg @error('deskripsi') border-red-500 @enderror"
                    placeholder="Deskripsi singkat modul (opsional)">{{ old('deskripsi') }}</textarea>
                @error('deskripsi')
                    <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                @enderror
            </div>

            {{-- File Modul --}}
            <div class="mt-4">
                <label class="block text-sm font-medium text-gray-700 mb-1">
                    File Modul *
                </label>

                <div class="mt-1 flex justify-center px-6 pt-5 pb-6 border-2 border-gray-300 border-dashed rounded-lg hover:border-primary transition-colors">
                    <div class="space-y-1 text-center">
                        <svg class="mx-auto h-12 w-12 text-gray-400"
                             stroke="currentColor"
                             fill="none"
                             viewBox="0 0 48 48">
                            <path d="M28 8H12a4 4 0 00-4 4v20m32-12v8m0 0v8a4 4 0 01-4 4H12a4 4 0 01-4-4v-4m32-4l-3.172-3.172a4 4 0 00-5.656 0L28 28M8 32l9.172-9.172a4 4 0 015.656 0L28 28m0 0l4 4m4-24h8m-4-4v8m-12 4h.02"
                                  stroke-width="2"
                                  stroke-linecap="round"
                                  stroke-linejoin="round"/>
                        </svg>

                        <div class="text-sm text-gray-600">
                            <label for="file-upload"
                                   class="cursor-pointer font-medium text-primary hover:text-blue-500">
                                <span>Pilih file modul</span>
                                <input
                                    id="file-upload"
                                    name="file"
                                    type="file"
                                    required
                                    accept=".pdf,.doc,.docx,.xls,.xlsx,.ppt,.pptx"
                                    class="sr-only">
                            </label>
                        </div>

                        <p id="nama-file" class="text-xs text-gray-500">
                            PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX (Maksimal 10 MB)
                        </p>
                    </div>
                </div>

                @error('file')
                    <p class="text-red-500 text-xs mt-1">{{ $message }}</p>
                @enderror
            </div>

            {{-- Tombol --}}
            <div class="mt-6 flex justify-end gap-3">
                <a href="{{ route('simaju.modul-ajar.index') }}"
                   class="px-4 py-2 border rounded-lg hover:bg-gray-50">
                    Batal
                </a>

                <button type="submit"
                    class="px-4 py-2 bg-primary text-white rounded-lg hover:bg-blue-600">
                    Upload Modul Ajar
                </button>
            </div>

        </form>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function () {
    const jurusanSelect = document.getElementById('jurusan_id');
    const kelasSelect = document.getElementById('kelas_id');
    const fileInput = document.getElementById('file-upload');
    const namaFile = document.getElementById('nama-file');
    const defaultFileText = 'PDF, DOC, DOCX, XLS, XLSX, PPT, PPTX (Maksimal 10 MB)';

    function filterKelas(resetKelas = false) {
        const jurusanId = jurusanSelect.value;
        const previousKelasId = kelasSelect.value;

        Array.from(kelasSelect.options).forEach(function (option, index) {
            if (index === 0) {
                option.hidden = false;
                option.disabled = false;
                option.textContent = jurusanId ? 'Pilih Kelas' : 'Pilih Jurusan Terlebih Dahulu';
                return;
            }

            const cocok = jurusanId !== '' && option.dataset.jurusanId === jurusanId;
            option.hidden = !cocok;
            option.disabled = !cocok;
        });

        if (resetKelas) {
            kelasSelect.value = '';
        } else if (previousKelasId) {
            const selectedOption = kelasSelect.options[kelasSelect.selectedIndex];
            if (!selectedOption || selectedOption.disabled || selectedOption.dataset.jurusanId !== jurusanId) {
                kelasSelect.value = '';
            }
        }
    }

    jurusanSelect.addEventListener('change', function () {
        filterKelas(true);
    });

    filterKelas(false);

    fileInput.addEventListener('change', function () {
        namaFile.textContent = this.files && this.files.length > 0
            ? 'File dipilih: ' + this.files[0].name
            : defaultFileText;
    });
});
</script>
@endsection