@extends('backend::layouts.app')
@section('title', 'Create Answer')
@section('content')
    <div class="row">
        <div class="col-12">
            <div class="page-title-box d-sm-flex align-items-center justify-content-between">
                <h4 class="mb-sm-0 font-size-18">{{ $question->title }}</h4>
                <div class="page-title-right">
                    <ol class="breadcrumb m-0">
                        <li class="breadcrumb-item"><a href="{{ route('admin.dashboard') }}">Dashboard</a></li>
                        <li class="breadcrumb-item"><a href="{{ route('question.index') }}">Question</a></li>
                        <li class="breadcrumb-item">
                            <a href="{{ route('answer.index', base64_encode($question->id)) }}">
                                Answer
                            </a>
                        </li>
                        <li class="breadcrumb-item"><a href="javascript:void(0)">Create</a></li>
                    </ol>
                </div>
            </div>
        </div>
    </div>
    <!-- form start -->
    <form method="POST" action="{{ route('answer.store', $question->id) }}" enctype="multipart/form-data">
        @csrf
        <div class="row">
            <div class="col-md-12">
                <div class="card">
                    <div class="card-header d-flex justify-content-between align-items-center">
                        <h3 class="card-title">Create Answer</h3>
                        <div class="card-tools">
                            <a href="{{ route('answer.index', base64_encode($question->id)) }}"
                                class="btn btn-primary btn-sm">
                                <i class="fas fa-list"></i> Answer
                            </a>
                        </div>
                    </div>
                </div>
                <div class="card">
                    <div class="card-body">
                        <div class="row">
                            <div class="col-6">
                                <div class="form-group mb-3">
                                    <label for="title">Title*</label>
                                    <input type="text" class="form-control @error('title') is-invalid @enderror"
                                        id="title" name="title" value="{{ old('title') }}">
                                    @error('title')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                </div>
                                <div class="form-group mb-3">
                                    <label class="form-label" for="image">Image*</label>
                                    <input type="file" name="image" id="image"
                                        accept="image/jpeg,image/webp,image/jpg,image/png,image/svg+xml"
                                        class="form-control multiple-file-input @error('image') is-invalid @enderror">
                                    @error('image')
                                        <span class="invalid-feedback">{{ $message }}</span>
                                    @enderror
                                    <div class="multipleFilePreview pl-1 pt-1">
                                    </div>
                                </div>
                                <div class="row">
                                    <div class="col-6">
                                        <div class="form-group mb-3">
                                            <label class="form-label" for="sort_order">Sort Order</label>
                                            <input type="number"
                                                class="form-control @error('sort_order') is-invalid @enderror"
                                                id="sort_order" name="sort_order" value="{{ old('sort_order') }}">
                                            @error('sort_order')
                                                <span class="invalid-feedback">{{ $message }}</span>
                                            @enderror
                                        </div>
                                    </div>
                                    <div class="col-6">
                                        <div class="form-group mb-3">
                                            <label class="form-label">Status</label>
                                            <select required
                                                class="form-control form-select @error('status') is-invalid @enderror"
                                                name="status">
                                                <option value="1" {{ old('status') == '1' ? 'selected' : '' }}>Active
                                                </option>
                                                <option value="0" {{ old('status') == '0' ? 'selected' : '' }}>
                                                    Inactive
                                                </option>
                                            </select>
                                        </div>
                                    </div>
                                </div>
                            </div>
                            <div class="col-6">
                                <label for="products" class="form-label">Products with Weights (1–5)</label>
                                <div class="input-group mb-3">
                                    <span class="input-group-text bg-light"><i class="fas fa-search text-muted"></i></span>
                                    <input type="text" id="product-search" class="form-control"
                                        placeholder="Search product...">
                                </div>
                                <div id="product-list" class="border rounded p-3 bg-white shadow-sm"
                                    style="max-height: 400px; overflow-y: auto;">
                                    @php
                                        $oldProductsIds = collect(old(key: 'products'))
                                            ->map(fn($p) => is_array($p) ? $p['id'] ?? null : $p)
                                            ->filter()
                                            ->toArray();

                                        // Sort products: selected first
                                        $products = $products->sortByDesc(
                                            fn($product) => in_array($product->id, $oldProductsIds),
                                        );
                                    @endphp
                                    @foreach ($products as $product)
                                        <div class="product-item mb-2 p-2 border rounded small"
                                            data-title="{{ strtolower($product->title) }}">
                                            <div class="d-flex align-items-center justify-content-between">
                                                <div class="form-check">
                                                    <input type="checkbox" class="form-check-input product-checkbox"
                                                        name="products[{{ $product->id }}][id]"
                                                        id="product_{{ $product->id }}" value="{{ $product->id }}"
                                                        {{ in_array($product->id, $oldProductsIds) ? 'checked' : '' }}>
                                                    <label class="form-check-label" for="product_{{ $product->id }}">
                                                        {{ $product->title }}
                                                    </label>
                                                </div>
                                                <div class="d-flex flex-column align-items-end">
                                                    <input type="number" name="products[{{ $product->id }}][weight]"
                                                        class="form-control form-control-sm text-end product-weight @error('products.' . $product->id . '.weight') is-invalid @enderror"
                                                        style="width: 80px;"
                                                        value="{{ old('products.' . $product->id . '.weight', '') }}"
                                                        placeholder="Wt." min="1" max="5">
                                                    @error('products.' . $product->id . '.weight')
                                                        <span class="invalid-feedback mt-1 d-block"
                                                            style="text-align: right;">{{ $message }}</span>
                                                    @enderror
                                                </div>
                                            </div>
                                        </div>
                                    @endforeach
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col-md-12">
                <div class="card">
                    <div class="card-body">
                        <button type="submit" class="btn btn-primary submitBtn">Create</button>
                    </div>
                </div>
            </div>
        </div>
    </form>
@endsection
@push('js')
    <script>
        document.getElementById("product-search").addEventListener("input", function() {
            this.value = this.value.replace(/\s{2,}/g, " ");
            this.value = this.value.replace(/^\s+/g, "");
        });
        document.querySelectorAll(".product-weight").forEach(input =>
            input.addEventListener("input", e => {
                e.target.value = Math.min(5, Math.max(1, e.target.value || ""));
            })
        );
        $(document).ready(function() {
            $(document).on('keyup', '#product-search', function() {
                let value = $(this).val().toLowerCase().trim().replace(/\s+/g, ' ');
                let visible = 0;

                $('.product-item').each(function() {
                    let title = ($(this).data('title') || '').toLowerCase();
                    let match = title.includes(value);
                    $(this).toggle(match);
                    if (match) visible++;
                });

                $('#no-products').remove();
                if (!visible) {
                    $('#product-list').append(
                        '<div id="no-products" class="text-muted text-center p-3">No products found</div>'
                    );
                }
            });
        });
    </script>
@endpush