@extends('layouts.app', ['class' => 'g-sidenav-show bg-gray-100'])

@section('content')
    @include('test.partials.test-styles')

    <style>
        /* Override shared dots: swipe/drag feels better */
        .test-nav-dots-wrap {
            justify-content: flex-start;
            cursor: grab;
        }

        /* ── Question Layout ── */
        .wpt-wrap {
            display: flex;
            gap: 36px;
            align-items: flex-start;
        }

        /* Soal Gambar */
        .wpt-img-box {
            flex: 0 0 auto;
        }

        .wpt-img {
            width: 320px;
            height: 260px;
            object-fit: contain;
            border-radius: 12px;
            border: 2px solid #e9ecef;
            background: #f8f9fa;
        }

        .wpt-img-placeholder {
            width: 320px;
            height: 260px;
            border-radius: 12px;
            border: 2px dashed #dee2e6;
            background: #f8f9fa;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #adb5bd;
            font-size: 0.85rem;
            gap: 8px;
        }

        .wpt-img-placeholder i {
            font-size: 3rem;
        }

        /* Kolom Soal + Jawaban */
        .wpt-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 0;
            padding-top: 4px;
        }

        .q-label {
            font-size: 1rem;
            font-weight: 700;
            color: #344767;
            margin-bottom: 2px;
        }

        .q-text {
            font-size: 0.95rem;
            color: #344767;
            line-height: 1.7;
            margin-bottom: 20px;
            white-space: pre-line;
        }

        /* Pilihan Ganda */
        .options-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .option-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border: 1.5px solid #dee2e6;
            border-radius: 10px;
            cursor: pointer;
            transition: border-color 0.18s, background 0.18s;
            user-select: none;
        }

        .option-item:hover {
            border-color: #028284;
            background: #f0f9f9;
        }

        .option-item.selected {
            border-color: #028284;
            background: #e6f7f7;
        }

        .option-radio {
            width: 18px;
            height: 18px;
            accent-color: #028284;
            flex-shrink: 0;
            cursor: pointer;
        }

        .option-letter {
            font-size: 0.88rem;
            font-weight: 700;
            color: #028284;
            min-width: 22px;
        }

        .option-text {
            font-size: 0.9rem;
            color: #344767;
            line-height: 1.5;
        }

        /* Input Teks */
        .text-answer-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: #344767;
            margin-bottom: 6px;
            display: block;
        }

        .text-answer-input {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.95rem;
            color: #344767;
            border: 1.5px solid #dee2e6;
            border-radius: 10px;
            background: #fff;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            resize: vertical;
            min-height: 80px;
        }

        .text-answer-input:focus {
            border-color: #028284;
            box-shadow: 0 0 0 3px rgba(2, 130, 132, 0.12);
        }

        @media (max-width: 768px) {
            .wpt-wrap {
                flex-direction: column;
                gap: 20px;
            }

            .wpt-img,
            .wpt-img-placeholder {
                width: 100%;
                height: 200px;
            }

            .wpt-img-box {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .wizard-buttons button {
                width: 100%;
                margin-bottom: 8px;
            }
        }
    </style>

    @include('layouts.navbars.auth.topnav', ['title' => ''])

    <div class="container-fluid py-3">
        @include('components.alert')

        <div class="row">
            <div class="col-12">
                @if (!session('test4_code_submitted'))
                    {{-- Rules Test 4 --}}
                    <div class="test-card">
                        <div class="test-card-title">Rules Test 4</div>
                        <div class="row">
                            <div class="col-md-6 rules-col-left">
                                <div class="rules-col-title">Peraturan</div>
                                <ul class="rules-list">
                                    <li>Test ini merupakan Tes Kemampuan Berpikir (WPT).</li>
                                    <li>Soal terdiri dari berbagai tipe: gambar, teks, dan pilihan ganda.</li>
                                    <li>Waktu mengerjakan adalah 60 menit.</li>
                                    <li>Jika waktu habis, jawaban dikumpulkan secara otomatis.</li>
                                </ul>
                            </div>
                            <div class="col-md-6 ps-md-4">
                                <div class="rules-col-title">Cara Mengerjakan</div>
                                <ul class="rules-list">
                                    <li>Baca soal dengan cermat sebelum menjawab.</li>
                                    <li>Untuk soal pilihan ganda, klik salah satu opsi jawaban.</li>
                                    <li>Untuk soal isian, ketik jawaban pada kolom yang tersedia.</li>
                                    <li>Tekan tombol Selanjutnya untuk berpindah soal.</li>
                                    <li>Tekan tombol Submit di soal terakhir untuk mengumpulkan.</li>
                                </ul>
                            </div>
                        </div>
                    </div>

                    {{-- Contoh Soal Test --}}
                    <div class="test-card">
                        <div class="test-card-title">Contoh</div>
                        <img src="{{ asset('/storage/test_example/test4.png') }}" alt="Contoh tampilan soal test"
                            class="img-responsive">
                    </div>

                    <div class="test-card text-center">
                        <div class="test-card-title mb-3">Mulai Tes</div>
                        <p class="text-sm text-muted mb-3">Setelah siap, klik tombol di bawah untuk memulai tes.</p>
                        <form method="POST" action="{{ url('/test4') }}">
                            @csrf
                            <input type="hidden" name="custom_action" value="startTest">
                            <input type="hidden" name="invitation_id" value="{{ $invitation_id ?? '' }}">
                            <button type="submit" class="btn btn-primary" {{ empty($invitation_id) ? 'disabled' : '' }}>
                                <i class="fas fa-play me-1"></i> Mulai Tes
                            </button>
                        </form>
                        @if (empty($invitation_id))
                            <p class="text-danger text-xs mt-2 mb-0">Undangan tes tidak ditemukan. Silakan akses dari
                                halaman Aktivitas Lamaran.</p>
                        @endif
                    </div>
                @else
                    @php
                        $currentQ = $questions->first();
                        $detail = $currentQ?->detail;
                        $hasImage = $detail && $detail->image_url;
                        $hasOptions = $detail && $detail->options;
                        $optionsArr = $hasOptions
                            ? (is_array($detail->options)
                                ? $detail->options
                                : json_decode($detail->options, true))
                            : [];

                        // Question Type
                        // type A: Gambar + Pilihan Ganda
                        // type B: Text + Pilihan Ganda
                        // type C: Text + Input
                        $qType = 'C';
                        if ($hasOptions) {
                            $qType = 'B';
                        }
                        if ($hasImage && $hasOptions) {
                            $qType = 'A';
                        }

                        $existingAns = $currentQ
                            ? \App\Models\ApplicantAnswer::where('test_session_id', $testSession->id)
                                ->where('question_id', $currentQ->id)
                                ->first()
                            : null;
                        $savedAnswer = $existingAns?->answer ?? '';

                        if ($hasImage) {
                            $imgSrc = str_starts_with($detail->image_url, 'http')
                                ? $detail->image_url
                                : asset(\Illuminate\Support\Facades\Storage::url($detail->image_url));
                        }
                    @endphp

                    <div class="test-card test-card-quiz">
                        {{-- Header --}}
                        <div class="test-header-top">
                            <div class="d-flex align-items-center gap-2">
                                <div class="test-header-name">{{ $title_menu ?? 'Test 4' }}</div>
                                <span data-bs-toggle="modal" data-bs-target="#hintModal" title="Petunjuk"
                                    class="badge bg-primary cursor-pointer">
                                    <i class="fas fa-question-circle me-1"></i> Petunjuk
                                </span>
                            </div>
                            <div class="test-timer" id="test-timer"
                                data-deadline="{{ isset($testSession) && $testSession->deadline_at ? $testSession->deadline_at->toIso8601String() : '' }}">
                                {{ isset($remainingSeconds) ? sprintf('%02d:%02d:%02d', intdiv(max(0, $remainingSeconds), 3600), intdiv(max(0, $remainingSeconds) % 3600, 60), max(0, $remainingSeconds) % 60) : '01:00:00' }}
                            </div>
                            <div class="test-counter">{{ $currentPage }}/{{ $totalPages }}</div>
                        </div>

                        {{-- Progress Bar --}}
                        <div class="test-progress-container">
                            <div id="test-progress-bar" class="test-progress-bar"
                                style="width:{{ $totalQuestions > 0 ? round((($totalAnswered ?? 0) / $totalQuestions) * 100, 1) : 0 }}%;">
                            </div>
                        </div>

                        {{-- Nav Dots --}}
                        <div class="test-nav-dots-wrap" id="nav-dots-wrap">
                            @for ($p = 1; $p <= $totalPages; $p++)
                                <div class="test-nav-dot {{ $p == $currentPage ? 'active' : (($p < $currentPage && ($pageAnsweredStatus[$p] ?? false)) ? 'answered' : '') }}"
                                    onclick="goToPage({{ $p }})">{{ $p }}</div>
                            @endfor
                        </div>

                        <hr class="test-divider">

                        {{-- Question --}}
                        <div class="wpt-wrap">

                            {{-- Soal Gambar --}}
                            @if ($hasImage)
                                <div class="wpt-img-box">
                                    <img src="{{ $imgSrc }}" alt="Soal {{ $currentPage }}" class="wpt-img"
                                        id="soal-img">
                                </div>
                            @endif

                            {{-- soal & jawaban --}}
                            <div class="wpt-content">
                                <div class="q-label">Soal {{ $currentPage }}</div>
                                <div class="q-text">{{ $detail?->question ?? '-' }}</div>

                                @if ($hasOptions && count($optionsArr) > 0)
                                    {{-- Pilihan Ganda --}}
                                    <ul class="options-list" id="options-list">
                                        @foreach ($optionsArr as $optKey => $optText)
                                            @php $isSelected = ($savedAnswer === (string)$optKey); @endphp
                                            <li class="option-item {{ $isSelected ? 'selected' : '' }}"
                                                id="opt-{{ $optKey }}"
                                                onclick="selectOption('{{ $optKey }}')">
                                                <input type="radio" class="option-radio" name="wpt_option"
                                                    value="{{ $optKey }}" id="radio-{{ $optKey }}"
                                                    {{ $isSelected ? 'checked' : '' }}
                                                    onchange="selectOption('{{ $optKey }}')">
                                                <span class="option-letter">{{ $optKey }}.</span>
                                                <span class="option-text">{{ $optText }}</span>
                                            </li>
                                        @endforeach
                                    </ul>
                                @else
                                    {{-- Input Teks --}}
                                    <label class="text-answer-label" for="text-answer">Jawaban Anda</label>
                                    <textarea id="text-answer" class="text-answer-input" placeholder="Ketik jawaban Anda di sini..."
                                        oninput="handleTextInput(this.value)">{{ $savedAnswer }}</textarea>
                                @endif
                            </div>
                        </div>

                        {{-- Navigation forms --}}
                        <form id="test-form" method="GET" action="{{ url('/test4') }}" style="display:none;">
                            <input type="hidden" name="halaman" id="input-halaman" value="{{ $currentPage }}">
                        </form>
                        <form id="finish-form" method="POST" action="{{ url('/test4') }}" style="display:none;">
                            @csrf
                            <input type="hidden" name="custom_action" value="finishExam">
                        </form>

                        <div class="wizard-buttons">
                            <div class="d-flex justify-content-between">
                                <div>
                                    @if ($currentPage > 1)
                                        <button type="button" class="btn btn-secondary"
                                            onclick="goToPage({{ $currentPage - 1 }})">
                                            <i class="fas fa-arrow-left"></i> Sebelumnya
                                        </button>
                                    @endif
                                </div>
                                <div>
                                    @if ($currentPage < $totalPages)
                                        <button type="button" class="btn btn-primary"
                                            onclick="goToPage({{ $currentPage + 1 }})">
                                            Selanjutnya <i class="fas fa-arrow-right"></i>
                                        </button>
                                    @else
                                        <button type="button" class="btn btn-primary" onclick="submitTest()">
                                            <i class="fas fa-save"></i> Submit Test
                                        </button>
                                    @endif
                                </div>
                            </div>
                        </div>
                    </div>
                @endif
            </div>
        </div>
    </div>
    @include('test.partials.hint')
@endsection

@push('js')
    @include('test.partials.test-scripts')

    <script>
        const currentQId = {{ isset($currentQ) ? $currentQ->id : 'null' }};
        let saveTimeout = null;

        document.addEventListener('DOMContentLoaded', function() {
            const wrap = document.getElementById('nav-dots-wrap');
            const active = wrap ? wrap.querySelector('.test-nav-dot.active') : null;
            if (wrap && active) {
                const offset = active.offsetLeft - wrap.offsetWidth / 2 + active.offsetWidth / 2;
                wrap.scrollLeft = offset;
            }
        });

        // Piligan Ganda
        function selectOption(key) {
            document.querySelectorAll('.option-item').forEach(el => el.classList.remove('selected'));
            const item = document.getElementById('opt-' + key);
            if (item) item.classList.add('selected');

            const radio = document.getElementById('radio-' + key);
            if (radio) radio.checked = true;

            saveAnswer(key);
        }

        // Input Teks
        function handleTextInput(val) {
            clearTimeout(saveTimeout);
            saveTimeout = setTimeout(() => {
                saveAnswer(val.trim());
            }, 800);
        }

        function saveAnswer(answerValue) {
            if (!currentQId) return;
            if (!navigator.onLine) {
                showOfflineWarning && showOfflineWarning();
                return;
            }

            fetch(testUrl, {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'X-CSRF-TOKEN': csrfToken,
                        'Accept': 'application/json'
                    },
                    body: JSON.stringify({
                        question_id: currentQId,
                        answer: answerValue,
                        custom_action: 'saveAnswer'
                    })
                })
                .then(r => r.json())
                .then(data => {
                    if (data.success && data.total_answered !== undefined) {
                        totalAnsweredGlobal = data.total_answered;
                        const bar = document.getElementById('test-progress-bar');
                        if (bar) bar.style.width = ((totalAnsweredGlobal / _totalQ) * 100).toFixed(1) + '%';
                    }
                    if (!data.success && data.message === 'Waktu habis!') {
                        document.getElementById('finish-form').submit();
                    }
                })
                .catch(() => {
                    showOfflineWarning && showOfflineWarning();
                });
        }

        function submitTest() {
            fetch(testUrl, {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                        'X-CSRF-TOKEN': csrfToken,
                        'Accept': 'application/json'
                    },
                    body: JSON.stringify({
                        custom_action: 'checkAnswers'
                    })
                })
                .then(r => r.json())
                .then(data => {
                    if (data.success) {
                        Swal.fire({
                            title: 'Kumpulkan Jawaban?',
                            text: 'Semua soal sudah dijawab. Yakin ingin mengumpulkan?',
                            icon: 'question',
                            showCancelButton: true,
                            confirmButtonText: 'Ya, Kumpulkan',
                            cancelButtonText: 'Batal',
                            confirmButtonColor: '#028284'
                        }).then(result => {
                            if (result.isConfirmed) {
                                document.getElementById('finish-form').submit();
                            }
                        });
                    } else {
                        const page = data.first_unanswered_page ?? null;
                        Swal.fire({
                            title: 'Belum Selesai',
                            text: data.message,
                            icon: 'warning',
                            confirmButtonText: page ? 'Ke Soal Belum Dijawab' : 'Mengerti',
                            confirmButtonColor: '#028284'
                        }).then(result => {
                            if (result.isConfirmed && page) goToPage(page);
                        });
                    }
                })
                .catch(() => {
                    Swal.fire({
                        icon: 'error',
                        title: 'Koneksi Error',
                        text: 'Tidak dapat mengumpulkan jawaban.'
                    });
                });
        }
    </script>
@endpush