@extends('layouts.admin')

@section('title', $set->title)
@section('header', $set->title)

@section('breadcrumb')
<li class="breadcrumb-item"><a href="{{ route('admin.questionnaires.index') }}">Soalselidik</a></li>
<li class="breadcrumb-item active">{{ Str::limit($set->title, 35) }}</li>
@endsection

@section('header-actions')
<div class="d-flex gap-2">
    <a href="{{ route('admin.questionnaires.edit', $set) }}" class="btn btn-sm btn-outline-secondary">
        <i class="bi bi-pencil me-1"></i> Edit
    </a>
    @if($set->status === 'draft')
    <form method="POST" action="{{ route('admin.questionnaires.publish', $set) }}">
        @csrf
        <button class="btn btn-sm btn-success" onclick="return confirm('Terbitkan set soalselidik ini?')">
            <i class="bi bi-send me-1"></i> Terbitkan
        </button>
    </form>
    @elseif($set->status === 'published')
    <form method="POST" action="{{ route('admin.questionnaires.archive', $set) }}">
        @csrf
        <button class="btn btn-sm btn-outline-secondary" onclick="return confirm('Arkibkan set soalselidik ini?')">
            <i class="bi bi-archive me-1"></i> Arkib
        </button>
    </form>
    @endif
</div>
@endsection

@section('content')

<div class="row g-4">
    {{-- Left: Questions --}}
    <div class="col-md-8">

        {{-- Status Banner --}}
        @if($set->status === 'draft')
        <div class="alert alert-warning mb-3 small">
            <i class="bi bi-exclamation-triangle me-2"></i>
            Set ini masih dalam status <strong>Draf</strong>. Terbitkan setelah siap untuk dilampirkan ke program.
        </div>
        @elseif($set->status === 'archived')
        <div class="alert alert-secondary mb-3 small">
            <i class="bi bi-archive me-2"></i>
            Set ini telah <strong>diarkibkan</strong> dan tidak boleh dilampirkan ke program baru.
        </div>
        @endif

        {{-- Question List --}}
        <div class="card border-0 shadow-sm mb-4">
            <div class="card-header bg-white d-flex justify-content-between align-items-center py-3">
                <h6 class="mb-0 fw-semibold">
                    <i class="bi bi-list-ul me-2 text-primary"></i>Senarai Soalan
                    <span class="badge bg-secondary ms-2">{{ $set->questions->count() }}</span>
                </h6>
            </div>

            @if($set->questions->isEmpty())
            <div class="card-body text-center py-5 text-muted">
                <i class="bi bi-question-circle d-block fs-1 mb-3 opacity-25"></i>
                Belum ada soalan. Tambah soalan menggunakan borang di sebelah kanan.
            </div>
            @else
            <ul class="list-group list-group-flush" id="questionList">
                @foreach($set->questions as $q)
                <li class="list-group-item py-3" data-id="{{ $q->id }}">
                    <div class="d-flex justify-content-between align-items-start gap-2">
                        <div class="flex-grow-1">
                            <div class="d-flex align-items-center gap-2 mb-1">
                                <span class="badge bg-light text-dark border small">{{ $loop->iteration }}</span>
                                <span class="badge bg-primary bg-opacity-10 text-primary small">
                                    {{ match($q->question_type) {
                                        'rating' => 'Rating',
                                        'single_choice' => 'Pilihan Tunggal',
                                        'multiple_choice' => 'Pilihan Berganda',
                                        'short_text' => 'Teks Pendek',
                                        'long_text' => 'Teks Panjang',
                                        default => $q->question_type,
                                    } }}
                                </span>
                                @if($q->is_required)
                                <span class="badge bg-danger bg-opacity-10 text-danger small">Wajib</span>
                                @endif
                            </div>
                            <div class="fw-medium">{{ $q->question_text }}</div>
                            @if($q->options_json)
                            <div class="mt-1">
                                @foreach($q->options_json as $opt)
                                <span class="badge bg-light text-dark border me-1 small">{{ $opt }}</span>
                                @endforeach
                            </div>
                            @endif
                        </div>
                        <div class="d-flex gap-1 flex-shrink-0">
                            <button class="btn btn-sm btn-outline-secondary"
                                    onclick="editQuestion({{ $q->id }}, @json($q->question_text), '{{ $q->question_type }}', {{ $q->is_required ? 'true' : 'false' }}, @json($q->options_json ?? []))">
                                <i class="bi bi-pencil"></i>
                            </button>
                            <form method="POST" action="{{ route('admin.questions.destroy', $q) }}"
                                  onsubmit="return confirm('Padam soalan ini?')">
                                @csrf @method('DELETE')
                                <button class="btn btn-sm btn-outline-danger">
                                    <i class="bi bi-trash"></i>
                                </button>
                            </form>
                        </div>
                    </div>
                </li>
                @endforeach
            </ul>
            @endif
        </div>

        {{-- Used In Programs --}}
        @if($usedInPrograms->count())
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white py-3">
                <h6 class="mb-0 fw-semibold"><i class="bi bi-diagram-3 me-2 text-secondary"></i>Digunakan Dalam Program</h6>
            </div>
            <ul class="list-group list-group-flush">
                @foreach($usedInPrograms as $program)
                <li class="list-group-item d-flex justify-content-between align-items-center py-2">
                    <a href="{{ route('admin.programs.show', $program) }}" class="text-decoration-none small">
                        {{ $program->title }}
                    </a>
                    @if($program->pivot->is_confirmed ?? false)
                    <span class="badge bg-success">Disahkan</span>
                    @else
                    <span class="badge bg-warning text-dark">Belum Disahkan</span>
                    @endif
                </li>
                @endforeach
            </ul>
        </div>
        @endif
    </div>

    {{-- Right: Add / Edit Question Form --}}
    <div class="col-md-4">
        <div class="card border-0 shadow-sm sticky-top" style="top:80px;">
            <div class="card-header bg-white py-3">
                <h6 class="mb-0 fw-semibold" id="formTitle"><i class="bi bi-plus-circle me-2 text-primary"></i>Tambah Soalan</h6>
            </div>
            <div class="card-body">

                {{-- Add Question Form --}}
                <form method="POST" id="questionForm" action="{{ route('admin.questions.store', $set) }}">
                    @csrf
                    <input type="hidden" name="_method" id="formMethod" value="POST">
                    <input type="hidden" name="_question_id" id="questionId" value="">

                    <div class="mb-3">
                        <label class="form-label small fw-medium">Soalan <span class="text-danger">*</span></label>
                        <textarea name="question_text" id="questionText" rows="3"
                                  class="form-control form-control-sm @error('question_text') is-invalid @enderror"
                                  placeholder="Taip soalan di sini..."></textarea>
                        @error('question_text')<div class="invalid-feedback">{{ $message }}</div>@enderror
                    </div>

                    <div class="mb-3">
                        <label class="form-label small fw-medium">Jenis Soalan <span class="text-danger">*</span></label>
                        <select name="question_type" id="questionType" class="form-select form-select-sm" onchange="toggleOptions()">
                            <option value="rating">Rating (1–5)</option>
                            <option value="single_choice">Pilihan Tunggal</option>
                            <option value="multiple_choice">Pilihan Berganda</option>
                            <option value="short_text">Teks Pendek</option>
                            <option value="long_text">Teks Panjang</option>
                        </select>
                    </div>

                    <div class="mb-3 form-check">
                        <input type="checkbox" name="is_required" id="isRequired" class="form-check-input" value="1" checked>
                        <label class="form-check-label small" for="isRequired">Wajib dijawab</label>
                    </div>

                    <div id="optionsSection" class="mb-3 d-none">
                        <label class="form-label small fw-medium">Pilihan Jawapan</label>
                        <div id="optionsList">
                            <div class="input-group input-group-sm mb-2">
                                <input type="text" name="options[]" class="form-control" placeholder="Pilihan 1">
                                <button type="button" class="btn btn-outline-danger" onclick="removeOption(this)"><i class="bi bi-x"></i></button>
                            </div>
                            <div class="input-group input-group-sm mb-2">
                                <input type="text" name="options[]" class="form-control" placeholder="Pilihan 2">
                                <button type="button" class="btn btn-outline-danger" onclick="removeOption(this)"><i class="bi bi-x"></i></button>
                            </div>
                        </div>
                        <button type="button" class="btn btn-sm btn-outline-secondary w-100" onclick="addOption()">
                            <i class="bi bi-plus me-1"></i> Tambah Pilihan
                        </button>
                    </div>

                    <div class="d-flex gap-2">
                        <button type="submit" class="btn btn-primary btn-sm w-100">
                            <i class="bi bi-check-lg me-1"></i> <span id="submitLabel">Tambah</span>
                        </button>
                        <button type="button" class="btn btn-outline-secondary btn-sm" id="cancelEdit" style="display:none;" onclick="resetForm()">
                            Batal
                        </button>
                    </div>
                </form>

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

@endsection

@push('scripts')
<script>
const setId = {{ $set->id }};
const storeUrl = "{{ route('admin.questions.store', $set) }}";
const updateBase = "{{ url('admin/questions') }}/";

function toggleOptions() {
    const type = document.getElementById('questionType').value;
    const section = document.getElementById('optionsSection');
    section.classList.toggle('d-none', !['single_choice','multiple_choice'].includes(type));
}

function addOption() {
    const list = document.getElementById('optionsList');
    const count = list.querySelectorAll('input').length + 1;
    const div = document.createElement('div');
    div.className = 'input-group input-group-sm mb-2';
    div.innerHTML = `<input type="text" name="options[]" class="form-control" placeholder="Pilihan ${count}">
                     <button type="button" class="btn btn-outline-danger" onclick="removeOption(this)"><i class="bi bi-x"></i></button>`;
    list.appendChild(div);
}

function removeOption(btn) {
    const list = document.getElementById('optionsList');
    if (list.querySelectorAll('.input-group').length > 1) {
        btn.closest('.input-group').remove();
    }
}

function editQuestion(id, text, type, required, options) {
    document.getElementById('formTitle').innerHTML = '<i class="bi bi-pencil me-2 text-warning"></i>Edit Soalan';
    document.getElementById('submitLabel').textContent = 'Kemaskini';
    document.getElementById('cancelEdit').style.display = '';
    document.getElementById('questionId').value = id;
    document.getElementById('questionText').value = text;
    document.getElementById('questionType').value = type;
    document.getElementById('isRequired').checked = required;

    const form = document.getElementById('questionForm');
    form.action = updateBase + id;
    document.getElementById('formMethod').value = 'PUT';

    toggleOptions();

    const list = document.getElementById('optionsList');
    list.innerHTML = '';
    if (options && options.length) {
        options.forEach((opt, i) => {
            const div = document.createElement('div');
            div.className = 'input-group input-group-sm mb-2';
            div.innerHTML = `<input type="text" name="options[]" class="form-control" value="${opt}" placeholder="Pilihan ${i+1}">
                             <button type="button" class="btn btn-outline-danger" onclick="removeOption(this)"><i class="bi bi-x"></i></button>`;
            list.appendChild(div);
        });
    }

    form.scrollIntoView({ behavior: 'smooth' });
}

function resetForm() {
    document.getElementById('formTitle').innerHTML = '<i class="bi bi-plus-circle me-2 text-primary"></i>Tambah Soalan';
    document.getElementById('submitLabel').textContent = 'Tambah';
    document.getElementById('cancelEdit').style.display = 'none';
    document.getElementById('questionForm').reset();
    document.getElementById('questionForm').action = storeUrl;
    document.getElementById('formMethod').value = 'POST';
    document.getElementById('questionId').value = '';
    document.getElementById('optionsSection').classList.add('d-none');

    const list = document.getElementById('optionsList');
    list.innerHTML = `<div class="input-group input-group-sm mb-2">
        <input type="text" name="options[]" class="form-control" placeholder="Pilihan 1">
        <button type="button" class="btn btn-outline-danger" onclick="removeOption(this)"><i class="bi bi-x"></i></button>
    </div>
    <div class="input-group input-group-sm mb-2">
        <input type="text" name="options[]" class="form-control" placeholder="Pilihan 2">
        <button type="button" class="btn btn-outline-danger" onclick="removeOption(this)"><i class="bi bi-x"></i></button>
    </div>`;
}
</script>
@endpush