@extends('layouts.app')

@section('title', 'Kerjakan Ujian')

@section('content')
<div class="mx-auto max-w-4xl space-y-5">
    <header class="pkbm-dashboard__heading">
        <div class="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
            <div>
                <p class="pkbm-dashboard__breadcrumb"><a class="text-blue-700" href="{{ route('student.exams.index', ['jenis' => $target->jenis]) }}">Ujian {{ $target->jenis }}</a><i class="bi bi-chevron-right" aria-hidden="true"></i>{{ $target->subjectName }}</p>
                <h1 class="pkbm-dashboard__title">{{ $target->examName }}</h1>
                <p class="pkbm-dashboard__subtitle">{{ $target->subjectName }} · {{ count($questions) }} butir soal · {{ $student->className }}</p>
            </div>
            <a class="sp-btn-secondary" href="{{ route('student.exams.index', ['jenis' => $target->jenis]) }}"><i class="bi bi-arrow-left" aria-hidden="true"></i>Kembali</a>
        </div>
    </header>

    @if (session('status'))<div role="status" class="settings-notice settings-notice--success">{{ session('status') }}</div>@endif
    @if ($errors->any())<div role="alert" class="settings-notice settings-notice--error">{{ $errors->first() }}</div>@endif

    <div class="sp-card flex flex-wrap items-center justify-between gap-3 p-4 text-sm">
        <div>
            <p class="font-bold text-slate-900">Percobaan ke-{{ min($target->attempt + 1, $target->maxAttempts) }} dari {{ $target->maxAttempts }}</p>
            <p class="mt-0.5 text-xs text-slate-500">{{ $target->jenis === 'PTS' ? 'Jawaban yang dikirim menggantikan percobaan sebelumnya.' : 'Ujian ini hanya dapat dikerjakan satu kali.' }}</p>
        </div>
        @if ($target->schedule)
            <p class="rounded-lg bg-slate-50 px-3 py-2 text-xs text-slate-600"><i class="bi bi-clock me-1" aria-hidden="true"></i>{{ $target->schedule->tgl_ujian }} · {{ substr((string) $target->schedule->waktu_mulai, 0, 5) }}–{{ substr((string) $target->schedule->waktu_selesai, 0, 5) }} WIB</p>
        @endif
    </div>

    @if ($previous->isNotEmpty())
        <p class="rounded-xl border border-slate-200 bg-slate-50 p-3 text-xs text-slate-600">
            <i class="bi bi-info-circle me-1" aria-hidden="true"></i>Anda sudah mengirim jawaban pada percobaan {{ $previous->max('percobaan_ke') }}. Jawaban baru akan menimpanya, dan nilai akhir ditentukan oleh guru pengampu.
        </p>
    @endif

    @if (empty($questions))
        <div class="sp-card p-12 text-center text-slate-400">
            <div class="mb-3 inline-flex h-16 w-16 items-center justify-center rounded-2xl bg-slate-100 text-slate-400"><i class="bi bi-journal-x text-3xl" aria-hidden="true"></i></div>
            <h2 class="text-base font-bold text-slate-700">Butir Soal Tidak Ditemukan</h2>
            <p class="mx-auto mt-1 max-w-sm text-sm text-slate-500">Silakan hubungi administrator atau guru pengampu Anda untuk rilis soal terkait.</p>
        </div>
    @else
        <form method="POST" action="{{ route('student.exams.submit', $target->key) }}" enctype="multipart/form-data" class="space-y-4" id="examForm">
            @csrf
            @foreach ($questions as $index => $question)
                <fieldset class="sp-card space-y-3 p-5">
                    <div class="flex flex-wrap items-center justify-between gap-2">
                        <span class="flex h-8 w-8 items-center justify-center rounded-lg bg-blue-600 text-sm font-extrabold text-white">{{ $index + 1 }}</span>
                        <span class="rounded-full bg-slate-100 px-3 py-1 text-xs font-bold uppercase text-slate-600">{{ str_replace('_', ' ', $question->tipe) }}</span>
                    </div>

                    <p class="whitespace-pre-line break-words text-sm font-semibold leading-relaxed text-slate-800">{{ $question->pertanyaan ?: 'Lihat lampiran soal di bawah.' }}</p>

                    @if ($question->gambar_soal)
                        <img src="{{ route('student.exams.file', [$question->id, 'gambar-soal']) }}" alt="Gambar soal {{ $index + 1 }}" class="max-h-64 rounded-xl border border-slate-200 object-contain">
                    @endif

                    <input type="hidden" name="tipe_soal[{{ $question->id }}]" value="{{ $question->tipe }}">

                    @if ($question->tipe === 'upload')
                        <div class="rounded-xl border border-dashed border-slate-300 bg-slate-50 p-4 text-center">
                            <i class="bi bi-file-earmark-pdf text-3xl text-rose-600" aria-hidden="true"></i>
                            <p class="mt-1 text-xs font-semibold text-slate-500">Dokumen soal tersedia</p>
                            @if ($question->file_upload)
                                <a class="sp-btn-secondary mt-2" href="{{ route('student.exams.file', [$question->id, 'file']) }}"><i class="bi bi-download" aria-hidden="true"></i>Lihat / unduh soal</a>
                            @endif
                        </div>
                        <div>
                            <label class="sp-form-label" for="answer-file-{{ $question->id }}">Unggah file jawaban (PDF/Doc/Gambar, maks. 10 MB)</label>
                            <input class="sp-form-control px-3 py-2 text-sm" id="answer-file-{{ $question->id }}" type="file" name="file_jawaban[{{ $question->id }}]" accept=".pdf,.doc,.docx,.jpg,.jpeg,.png,.webp">
                        </div>
                    @elseif (in_array($question->tipe, ['esai', 'uraian'], true))
                        <div>
                            <label class="sp-form-label" for="answer-{{ $question->id }}">Jawaban esai</label>
                            <textarea class="sp-form-control px-3 py-2 text-sm" id="answer-{{ $question->id }}" name="jawaban[{{ $question->id }}]" rows="5" placeholder="Tuliskan jawaban Anda secara lengkap..."></textarea>
                        </div>
                    @elseif (in_array($question->tipe, ['pg', 'pg_banyak'], true))
                        <div class="space-y-2">
                            @foreach ($question->options as $option)
                                @php $inputType = $question->tipe === 'pg' ? 'radio' : 'checkbox'; @endphp
                                <label class="flex cursor-pointer items-start gap-3 rounded-xl border border-slate-200 p-3 transition hover:border-blue-300 hover:bg-blue-50/40">
                                    <input class="mt-0.5 h-5 w-5 flex-shrink-0" type="{{ $inputType }}"
                                        name="jawaban[{{ $question->id }}]{{ $question->tipe === 'pg_banyak' ? '[]' : '' }}"
                                        value="{{ $option->letter }}">
                                    <span class="text-sm text-slate-700">
                                        <strong>{{ $option->letter }}.</strong> {{ $option->teks }}
                                        @if ($option->gambar)
                                            <img src="{{ route('student.exams.image', $option->gambar) }}" alt="Opsi {{ $option->letter }}" class="mt-2 max-h-32 rounded-lg border border-slate-200 object-contain">
                                        @endif
                                    </span>
                                </label>
                            @endforeach
                            @if ($question->options === [])
                                <p class="text-xs text-slate-500">Opsi jawaban tidak tersedia untuk soal ini.</p>
                            @endif
                        </div>
                    @elseif ($question->tipe === 'menjodohkan')
                        <div class="overflow-x-auto rounded-xl border border-slate-200">
                            <table class="w-full text-left text-sm">
                                <thead class="bg-slate-50 text-xs font-semibold uppercase text-slate-500">
                                    <tr><th class="px-3 py-2">Pernyataan</th><th class="w-1/2 px-3 py-2">Pasangan Jawaban</th></tr>
                                </thead>
                                <tbody class="divide-y divide-slate-100">
                                    @foreach ($question->pairs['left'] as $left)
                                        <tr>
                                            <td class="px-3 py-2 text-slate-700">{{ $left }}</td>
                                            <td class="px-3 py-2">
                                                <select class="sp-form-control px-3 py-2 text-sm" name="jawaban[{{ $question->id }}][{{ base64_encode($left) }}]">
                                                    <option value="">-- Pilih pasangan --</option>
                                                    @foreach ($question->pairs['right'] as $right)
                                                        <option value="{{ $right }}">{{ $right }}</option>
                                                    @endforeach
                                                </select>
                                            </td>
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>
                    @elseif ($question->tipe === 'tabel')
                        <div class="overflow-x-auto rounded-xl border border-slate-200">
                            <table class="w-full text-left text-sm">
                                <thead class="bg-slate-50 text-xs font-semibold uppercase text-slate-500">
                                    <tr><th class="px-3 py-2">Pernyataan</th><th class="w-14 px-3 py-2 text-center">B</th><th class="w-14 px-3 py-2 text-center">S</th></tr>
                                </thead>
                                <tbody class="divide-y divide-slate-100">
                                    @foreach ($question->statements as $statement)
                                        <tr>
                                            <td class="px-3 py-2 text-slate-700">{{ $statement }}</td>
                                            @foreach (['Benar', 'Salah'] as $value)
                                                <td class="px-3 py-2 text-center">
                                                    <input class="mx-auto h-5 w-5" type="radio"
                                                        name="jawaban[{{ $question->id }}][{{ base64_encode($statement) }}]"
                                                        value="{{ $value }}" aria-label="{{ $value }}: {{ $statement }}">
                                                </td>
                                            @endforeach
                                        </tr>
                                    @endforeach
                                </tbody>
                            </table>
                        </div>
                    @endif
                </fieldset>
            @endforeach

            <div class="sp-card space-y-3 p-6 text-center">
                <span class="mx-auto flex h-12 w-12 items-center justify-center rounded-full bg-blue-50 text-blue-600"><i class="bi bi-check2-all text-xl" aria-hidden="true"></i></span>
                <h2 class="text-base font-bold text-slate-900">Semua soal sudah terjawab?</h2>
                <p class="mx-auto max-w-sm text-sm text-slate-500">Periksa kembali jawaban Anda. Setelah dikirim, jawaban hanya dapat diubah selama kesempatan mengerjakan masih tersisa.</p>
                <button type="submit" class="sp-btn-primary w-full justify-center sm:w-auto sm:px-6"
                    onclick="return confirm('Kirim jawaban ujian ini sekarang?');">
                    <i class="bi bi-cloud-arrow-up" aria-hidden="true"></i>Kirim Jawaban
                </button>
            </div>
        </form>
    @endif
</div>
@endsection