@extends('layouts.admin')

@section('title', 'Tambah Knowledge Item')

@section('breadcrumb')
    <li class="breadcrumb-item"><a href="{{ route('admin.knowledge-items.index') }}">FAQ & Pengetahuan</a></li>
    <li class="breadcrumb-item active">Tambah</li>
@endsection

@section('content')
<div class="row justify-content-center">
    <div class="col-lg-9">
        <div class="card border-0 shadow-sm">
            <div class="card-header bg-white border-bottom">
                <h5 class="mb-0 fw-bold"><i class="bi bi-plus-circle me-2"></i>Tambah Knowledge Item</h5>
            </div>
            <div class="card-body p-4">
                <form method="POST" action="{{ route('admin.knowledge-items.store') }}">
                    @csrf

                    <div class="row g-3">
                        <div class="col-md-6">
                            <label class="form-label fw-semibold">Kategori <span class="text-danger">*</span></label>
                            <select name="category_id" class="form-select @error('category_id') is-invalid @enderror" required>
                                <option value="">— Pilih Kategori —</option>
                                @foreach($categories as $cat)
                                    <option value="{{ $cat->id }}"
                                        {{ (old('category_id', $prefillData['category_id'] ?? '') == $cat->id) ? 'selected' : '' }}>
                                        {{ $cat->name }}
                                    </option>
                                @endforeach
                            </select>
                            @error('category_id')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>

                        <div class="col-md-6">
                            <label class="form-label fw-semibold">Jenis Item <span class="text-danger">*</span></label>
                            <select name="item_type" class="form-select @error('item_type') is-invalid @enderror" required>
                                <option value="">— Pilih Jenis —</option>
                                @foreach($typeLabels as $value => $label)
                                    <option value="{{ $value }}"
                                        {{ (old('item_type', $prefillData['item_type'] ?? '') == $value) ? 'selected' : '' }}>
                                        {{ $label }}
                                    </option>
                                @endforeach
                            </select>
                            @error('item_type')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>

                        <div class="col-12">
                            <label class="form-label fw-semibold">
                                <span id="titleLabel">Tajuk</span> <span class="text-danger">*</span>
                                <small class="text-muted fw-normal ms-1">(untuk FAQ: tuliskan soalannya)</small>
                            </label>
                            <input type="text" name="title" class="form-control @error('title') is-invalid @enderror"
                                   value="{{ old('title', $prefillData['title'] ?? '') }}"
                                   placeholder="Contoh: Apakah syarat untuk memohon lesen perniagaan?" required>
                            @error('title')<div class="invalid-feedback">{{ $message }}</div>@enderror
                        </div>

                        <div class="col-12">
                            <label class="form-label fw-semibold">
                                <span id="contentLabel">Kandungan / Jawapan</span> <span class="text-danger">*</span>
                            </label>
                            <textarea name="content" class="form-control @error('content') is-invalid @enderror"
                                      rows="8" required
                                      placeholder="Tulis jawapan atau kandungan penuh di sini...">{{ old('content', $prefillData['content'] ?? '') }}</textarea>
                            <div class="d-flex justify-content-between">
                                @error('content')<div class="invalid-feedback">{{ $message }}</div>@enderror
                                <small class="text-muted ms-auto mt-1" id="charCount">0 / 10,000</small>
                            </div>
                        </div>

                        <div class="col-md-6">
                            <label class="form-label fw-semibold">Bahasa</label>
                            <select name="language" class="form-select">
                                <option value="ms" {{ old('language', 'ms') == 'ms' ? 'selected' : '' }}>Bahasa Melayu</option>
                                <option value="en" {{ old('language') == 'en' ? 'selected' : '' }}>English</option>
                            </select>
                        </div>

                        <div class="col-md-6">
                            <label class="form-label fw-semibold">Tarikh Kuat Kuasa</label>
                            <input type="date" name="effective_date" class="form-control"
                                   value="{{ old('effective_date') }}">
                        </div>

                        <div class="col-md-6">
                            <div class="form-check form-switch mt-2">
                                <input type="hidden" name="is_active" value="0">
                                <input class="form-check-input" type="checkbox" name="is_active" value="1"
                                       id="isActive" {{ old('is_active', '1') ? 'checked' : '' }}>
                                <label class="form-check-label" for="isActive">Aktifkan selepas simpan</label>
                            </div>
                        </div>
                        <div class="col-md-6">
                            <div class="form-check form-switch mt-2">
                                <input type="hidden" name="is_public" value="0">
                                <input class="form-check-input" type="checkbox" name="is_public" value="1"
                                       id="isPublic" {{ old('is_public', '1') ? 'checked' : '' }}>
                                <label class="form-check-label" for="isPublic">Boleh dicari oleh public</label>
                            </div>
                        </div>
                    </div>

                    <div class="d-flex gap-2 mt-4 pt-3 border-top">
                        <button type="submit" class="btn btn-primary">
                            <i class="bi bi-save me-1"></i>Simpan & Embed
                        </button>
                        <a href="{{ route('admin.knowledge-items.index') }}" class="btn btn-outline-secondary">Batal</a>
                    </div>
                </form>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
// Kira karakter
$('textarea[name="content"]').on('input', function() {
    const count = $(this).val().length;
    $('#charCount').text(count.toLocaleString() + ' / 10,000');
    if (count > 9000) $('#charCount').addClass('text-warning');
    else $('#charCount').removeClass('text-warning');
});
$('textarea[name="content"]').trigger('input');

// Update label ikut jenis
$('select[name="item_type"]').on('change', function() {
    if ($(this).val() === 'faq') {
        $('#titleLabel').text('Soalan');
        $('#contentLabel').text('Jawapan');
    } else {
        $('#titleLabel').text('Tajuk');
        $('#contentLabel').text('Kandungan');
    }
});
$('select[name="item_type"]').trigger('change');
</script>
@endpush