@extends('layouts.app')

@section('content')
    <!-- Fontawesome CSS -->
    <link rel="stylesheet" href="{{ asset('assets/plugins/fontawesome/css/fontawesome.min.css') }}">
    <link rel="stylesheet" href="{{ asset('assets/plugins/fontawesome/css/all.min.css') }}">

    <!-- HTML5 QR Code Scanner -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/html5-qrcode/2.3.8/html5-qrcode.min.js"></script>

    <style>
        #scanner-container {
            max-width: 400px;
            height: 300px;
            display: none;
            margin: 20px 0;
            border: 2px solid #ccc;
            border-radius: 5px;
        }
        #scanner {
            width: 100%;
            height: 100%;
        }
        body {
            position: relative;
            margin: 0;
        }
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('{{ asset('assets/img/bg.jpeg') }}') center/cover no-repeat fixed;
            opacity: 0.7;
            z-index: -1;
        }
        .print-header {
            text-align: center;
            margin-bottom: 30px;
            border-bottom: 2px solid #333;
            padding-bottom: 20px;
        }
        .print-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            font-size: 12px;
        }
        .print-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
            font-size: 11px;
        }
        .print-table th,
        .print-table td {
            border: 1px solid #ddd;
            padding: 8px;
            text-align: left;
        }
        .print-table th {
            background-color: #f8f9fa;
            font-weight: bold;
        }
        .print-summary {
            margin-top: 30px;
            border-top: 2px solid #333;
            padding-top: 20px;
        }
        .btn-print, .btn-scan {
            background-color: #28a745;
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            cursor: pointer;
            margin-left: 10px;
        }
        .btn-print:hover, .btn-scan:hover {
            background-color: #218838;
        }
        .input-blocks {
            align-items: center;
        }
        .form-control {
            height: 50px;
        }
        .text-danger {
            color: #dc3545;
            font-weight: 500;
        }
    </style>

    <div class="page-wrapper pos-pg-wrapper ms-0">
        <div class="content pos-design p-10">
            <div class="row align-items-start pos-wrapper">
                <div class="d-flex justify-content-between align-items-center mb-3">
                    <h3>Gestion des Stocks</h3>
                    <div>
                        <button type="button" id="print-pdf-btn" class="btn btn-print">
                            <i class="fas fa-file-pdf me-2"></i>Imprimer PDF
                        </button>
                        <button type="button" id="toggle-scan-btn" class="btn btn-scan">
                            <i class="fas fa-barcode me-2"></i>Scanner
                        </button>
                    </div>
                </div>
                <div class="col-lg-12 ps-0">
                    <div class="container">
                        <div class="row g-3 mb-3">
                            <div class="col-md-4 d-flex">
                                <div class="dash-widget dash1 w-100">
                                    <div class="dash-widgetcontent">
                                        <h5><span class="counters">{{ number_format($valeurStockAchat, 0, ' ', ' ') }}</span> FCFA</h5>
                                        <h6>Valeur du stock (prix d'achat)</h6>
                                    </div>
                                </div>
                            </div>
                            <div class="col-md-4 d-flex">
                                <div class="dash-widget dash1 w-100">
                                    <div class="dash-widgetcontent">
                                        <h5><span class="counters">{{ number_format($valeurStockVente, 0, ' ', ' ') }}</span> FCFA</h5>
                                        <h6>Valeur du stock (prix de vente)</h6>
                                    </div>
                                </div>
                            </div>
                            <div class="col-md-4 d-flex">
                                <div class="dash-widget dash1 w-100">
                                    <div class="dash-widgetcontent">
                                        <h5><span class="counters">{{ number_format($margeStock, 0, ' ', ' ') }}</span> FCFA</h5>
                                        <h6>Marge potentielle sur stock</h6>
                                    </div>
                                </div>
                            </div>
                        </div>
                        <div class="row g-3 mb-3">
                            <div class="col-md-4">
                                <label class="form-label">Catégorie</label>
                                <select class="form-control" id="filter-category">
                                    <option value="">Toutes</option>
                                    @foreach($categories as $category)
                                        <option value="{{ $category->id }}">{{ str_repeat('— ', $category->depth) }}{{ $category->name }}</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="col-md-4">
                                <label class="form-label">Type</label>
                                <select class="form-control" id="filter-type">
                                    <option value="">Tous</option>
                                    @foreach(\App\Models\Product::TYPES as $productType)
                                        <option value="{{ $productType }}">{{ $productType }}</option>
                                    @endforeach
                                </select>
                            </div>
                        </div>
                        <div class="input-blocks d-flex">
                            <input type="text" id="search" class="form-control me-2" placeholder="Rechercher un produit ou scanner un code-barres">
                            <div id="scanner-container">
                                <div id="scanner"></div>
                            </div>
                        </div>
                        @if (session('error'))
                            <div class="alert alert-danger mt-3">
                                {{ session('error') }}
                            </div>
                        @endif
                        <table class="table mt-3">
                            <thead>
                                <tr>
                                    <th>
                                        <label class="checkboxs">
                                            <input type="checkbox" id="select-all">
                                            <span class="checkmarks"></span>
                                        </label>
                                    </th>
                                    <th>Produit</th>
                                    <th>Catégorie</th>
                                    <th>Type</th>
                                    <th>Magasin</th>
                                    <th>Prix</th>
                                    <th>Quantité</th>
                                    <th>Créé par</th>
                                    <th>Actions</th>
                                </tr>
                            </thead>
                            <tbody id="product-list">
                                <tr>
                                    <td colspan="9" class="text-center">Chargement des produits...</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- Container for dynamically created modals -->
    <div id="modals-container"></div>

    <!-- Required Scripts -->
    <script src="{{ asset('assets/js/jquery-3.7.1.min.js') }}"></script>
    <script src="{{ asset('assets/js/bootstrap.bundle.min.js') }}"></script>
    <script src="{{ asset('assets/js/feather.min.js') }}"></script>

    <script>
        $(document).ready(function () {
            let filteredProducts = [];
            let html5QrcodeScanner = null;

            // Initialize Feather Icons
            if (typeof feather !== 'undefined') {
                feather.replace();
            }

            // Initialize QR Code Scanner
            function initializeScanner() {
                html5QrcodeScanner = new Html5QrcodeScanner(
                    "scanner",
                    { fps: 10, qrbox: { width: 250, height: 250 } },
                    /* verbose= */ false
                );
            }

            // Toggle Scanner Visibility
            $('#toggle-scan-btn').on('click', function () {
                const scannerContainer = $('#scanner-container');
                if (scannerContainer.is(':visible')) {
                    scannerContainer.hide();
                    if (html5QrcodeScanner) {
                        html5QrcodeScanner.clear();
                        html5QrcodeScanner = null;
                    }
                    $(this).html('<i class="fas fa-barcode me-2"></i>Scanner');
                } else {
                    scannerContainer.show();
                    initializeScanner();
                    html5QrcodeScanner.render(
                        (decodedText, decodedResult) => {
                            $('#search').val(decodedText);
                            $('#scanner-container').hide();
                            html5QrcodeScanner.clear();
                            html5QrcodeScanner = null;
                            $('#toggle-scan-btn').html('<i class="fas fa-barcode me-2"></i>Scanner');
                            performSearch(decodedText);
                        },
                        (errorMessage) => {
                            console.warn('Scanner error:', errorMessage);
                        }
                    );
                    $(this).html('<i class="fas fa-times me-2"></i>Fermer Scanner');
                }
            });

            function getFilterParams() {
                return {
                    query: $('#search').val().trim(),
                    category_id: $('#filter-category').val(),
                    type: $('#filter-type').val(),
                };
            }

            // Perform search
            function performSearch(query) {
                const currentMagasinId = "{{ $currentMagasinId ?? '' }}";
                if (!currentMagasinId) {
                    console.error("Aucun magasin sélectionné");
                    $('#product-list').html('<tr><td colspan="9" class="text-center text-danger">Aucun magasin sélectionné. Veuillez sélectionner un magasin.</td></tr>');
                    return;
                }

                const filters = getFilterParams();
                const searchQuery = typeof query === 'string' ? query : filters.query;

                if (searchQuery.length < 3 && searchQuery.length > 0 && !filters.category_id && !filters.type) {
                    $('#product-list').html('<tr><td colspan="9" class="text-center">Veuillez entrer au moins 3 caractères</td></tr>');
                    filteredProducts = [];
                    return;
                }

                $('#product-list').html('<tr><td colspan="9" class="text-center">Chargement des produits...</td></tr>');

                $.ajax({
                    url: "{{ route('stock.products.print') }}",
                    type: 'GET',
                    data: {
                        query: searchQuery,
                        category_id: filters.category_id,
                        type: filters.type,
                    },
                    dataType: 'json',
                    success: function (response) {
                        filteredProducts = Array.isArray(response) ? response : [];
                        displayProducts(filteredProducts);
                    },
                    error: function (xhr, status, error) {
                        console.error("Erreur lors de la recherche :", xhr.status, error, xhr.responseText);
                        let errorMessage = 'Une erreur s\'est produite lors de la recherche.';
                        if (xhr.responseJSON && xhr.responseJSON.error) {
                            errorMessage = xhr.responseJSON.error;
                        } else if (xhr.status === 400) {
                            errorMessage = 'Requête invalide. Veuillez vérifier votre saisie.';
                        } else if (xhr.status === 500) {
                            errorMessage = 'Erreur serveur. Veuillez réessayer plus tard.';
                        }
                        $('#product-list').html(`<tr><td colspan="9" class="text-center text-danger">${errorMessage}</td></tr>`);
                        filteredProducts = [];
                    }
                });
            }

            $('#filter-category, #filter-type').on('change', function () {
                performSearch();
            });

            performSearch('');

            $('#search').on('input', function () {
                const query = $(this).val().trim();
                performSearch(query);
            });

            // Display products in table
            function displayProducts(products) {
                let productList = $('#product-list');
                let modalsContainer = $('#modals-container');
                productList.empty();
                modalsContainer.empty();

                if (!products || products.length === 0) {
                    productList.append('<tr><td colspan="9" class="text-center">Aucun produit trouvé</td></tr>');
                    return;
                }

                products.forEach(product => {
                    const type = product.type ? cleanString(product.type) : '-';
                    const categoryName = product.category && product.category.name ? cleanString(product.category.name) : '-';
                    const magasinName = product.magasin && product.magasin.name ? cleanString(product.magasin.name) : '-';
                    const userName = product.user ? cleanString(`${product.user.nom || ''} ${product.user.prenom || ''}`) : '-';
                    const imageUrl = product.image ? `{{ asset('images/products/') }}/${product.image}` : `{{ asset('assets/img/default.jpg') }}`;
                    const price = formatCurrency(product.price);

                    productList.append(`
                        <tr>
                            <td>
                                <label class="checkboxs">
                                    <input type="checkbox" class="product-checkbox" data-id="${product.id}">
                                    <span class="checkmarks"></span>
                                </label>
                            </td>
                            <td>
                                <div class="productimgname">
                                    <a href="javascript:void(0);" class="product-img stock-img">
                                        <img src="${imageUrl}" alt="image-${cleanString(product.name)}">
                                    </a>
                                    <a href="javascript:void(0);">${cleanString(product.name.length > 15 ? product.name.substring(0, 15) + '...' : product.name)}</a>
                                </div>
                            </td>
                            <td>${categoryName}</td>
                            <td>${type}</td>
                            <td>${magasinName}</td>
                            <td>${price}</td>
                            <td>${product.quantity || 0}</td>
                            <td>${userName}</td>
                            <td class="action-table-data">
                                <div class="edit-delete-action">
                                    <a class="me-2 edit-icon p-2" href="#" data-bs-toggle="modal" data-bs-target="#edit-product-${product.id}">
                                        <i data-feather="plus-square"></i>
                                    </a>
                                    <a class="me-2 edit-icon p-2" href="{{ route('inventory.products.details', '') }}/${product.id}">
                                        <i data-feather="eye"></i>
                                    </a>
                                    <a class="me-2 p-2" href="{{ route('inventory.products.edit', '') }}/${product.id}">
                                        <i data-feather="edit"></i>
                                    </a>
                                    <a class="confirm-text p-2" href="javascript:void(0);" onclick="event.preventDefault(); document.getElementById('delete-product-${product.id}').submit();">
                                        <i data-feather="trash-2"></i>
                                    </a>
                                    <form id="delete-product-${product.id}" action="{{ route('inventory.products.delete', '') }}/${product.id}" method="POST" class="d-none">
                                        @csrf
                                        @method('DELETE')
                                    </form>
                                </div>
                            </td>
                        </tr>
                    `);

                    modalsContainer.append(`
                        <div class="modal fade" id="edit-product-${product.id}" tabindex="-1" aria-labelledby="editProductLabel-${product.id}" aria-hidden="true">
                            <div class="modal-dialog modal-dialog-centered custom-modal-two">
                                <div class="modal-content">
                                    <div class="modal-header border-0 custom-modal-header">
                                        <h4 id="editProductLabel-${product.id}">Mettre à jour la quantité de ${cleanString(product.name)}</h4>
                                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                                    </div>
                                    <div class="modal-body">
                                        <form action="{{ route('inventory.products.update_quantity', '') }}/${product.id}" method="POST" enctype="multipart/form-data">
                                            @csrf
                                            @method('PUT')
                                            <div class="mb-3">
                                                <label class="form-label">Quantité actuelle</label>
                                                <input type="text" class="form-control" value="${product.quantity || 0}" readonly disabled>
                                            </div>
                                            <div class="mb-3">
                                                <label class="form-label">Quantité</label>
                                                <p><i>Note : Cette nouvelle valeur va s'ajouter à l'ancienne.</i></p>
                                                <input type="number" name="quantity" class="form-control" value="0" required>
                                            </div>
                                            <div class="modal-footer-btn">
                                                <button type="button" class="btn btn-cancel me-2" data-bs-dismiss="modal">Annuler</button>
                                                <button type="submit" class="btn btn-submit">Valider</button>
                                            </div>
                                        </form>
                                    </div>
                                </div>
                            </div>
                        </div>
                    `);
                });

                if (typeof feather !== 'undefined') {
                    feather.replace();
                }
            }

            // Select all checkbox
            $('#select-all').on('change', function () {
                $('.product-checkbox').prop('checked', $(this).prop('checked'));
            });

            // Individual checkboxes
            $(document).on('change', '.product-checkbox', function () {
                const totalCheckboxes = $('.product-checkbox').length;
                const checkedCheckboxes = $('.product-checkbox:checked').length;
                $('#select-all').prop('checked', totalCheckboxes === checkedCheckboxes);
            });

            // Clean string function
            function cleanString(str) {
                if (!str) return '-';
                return str.replace(/<\/?[^>]+(>|$)/g, '').replace(/[\n\r\/]+/g, '').trim();
            }

            // Format currency function
            function formatCurrency(amount) {
                console.log('Valeur brute pour formatCurrency :', amount, typeof amount);
                const cleanAmount = typeof amount === 'string' ? amount.replace(/[^0-9.-]/g, '') : amount;
                console.log('Valeur nettoyée :', cleanAmount);
                const numAmount = parseFloat(cleanAmount);
                if (isNaN(numAmount)) {
                    console.error('Erreur : Valeur non numérique après nettoyage :', cleanAmount);
                    return '0 FCFA';
                }
                return numAmount.toFixed(0).replace(/\B(?=(\d{3})+(?!\d))/g, ' ') + ' FCFA';
            }

            // PDF Print button — export serveur DomPDF
            $('#print-pdf-btn').on('click', function () {
                const currentMagasinId = "{{ $currentMagasinId ?? '' }}";
                if (!currentMagasinId) {
                    alert('Aucun magasin sélectionné. Veuillez sélectionner un magasin.');
                    return;
                }

                const params = new URLSearchParams({
                    query: $('#search').val().trim(),
                    category_id: $('#filter-category').val(),
                    type: $('#filter-type').val(),
                });

                window.open("{{ route('stock.export.pdf') }}?" + params.toString(), '_blank');
            });
        });
    </script>
@endsection