@extends('layouts.app')
@section('content')
    <div class="contents">
        <div class="container-fluid">
            <div class="row">
                <div class="col-lg-12">
                    <div class="breadcrumb-main">
                        <div class="w-100">
                            <h4 class="text-capitalize breadcrumb-title">{{ $pageTitle }}</h4>
                            <span class="text-capitalize breadcrumb-sub-title"><small>{{ $pageDescription }}</small></span>
                        </div>
                    </div>
                </div>
            </div>
            <div class="row">
                <div class="col-lg-12">
                    <div class="userDatatable global-shadow border p-30 bg-white radius-xl w-100 mb-30">
                        <div class="d-flex justify-content-between align-items-center mb-20 flex-wrap" style="gap: 10px;">
                            <div class="d-flex align-items-center flex-wrap" style="gap: 10px;">
                                <select id="inventory-filter-gold-type" class="form-control w-auto">
                                    <option value="">All Gold Types</option>
                                    @foreach ($goldTypes as $goldType)
                                        <option value="{{ $goldType }}">{{ $goldType }}</option>
                                    @endforeach
                                </select>
                                <select id="inventory-filter-type" class="form-control w-auto">
                                    <option value="">All Types</option>
                                    @foreach ($types as $type)
                                        <option value="{{ $type }}">{{ $type }}</option>
                                    @endforeach
                                </select>
                                <input type="text" id="inventory-search" class="form-control w-auto"
                                    placeholder="Search inventory...">
                            </div>
                        </div>
                        <div class="table-responsive inv-table-scroll">
                            <table class="table mb-0 table-borderless">
                                <thead>
                                    <tr class="userDatatable-header">
                                        <th><span class="userDatatable-title">Inventory ID</span></th>
                                        <th><span class="userDatatable-title">Product Image</span></th>
                                        <th><span class="userDatatable-title">Gold Type</span></th>
                                        <th><span class="userDatatable-title">Type</span></th>
                                        <th><span class="userDatatable-title">Type Code</span></th>
                                        <th><span class="userDatatable-title">Weight (g)</span></th>
                                        <th><span class="userDatatable-title">Price (MYR)</span></th>
                                        <th><span class="userDatatable-title">Action</span></th>
                                    </tr>
                                </thead>
                                <tbody id="inventory-table-body">
                                    @forelse ($inventory as $item)
                                        <tr class="inventory-row" data-gold-type="{{ $item->gold_type }}"
                                            data-type="{{ $item->type }}">
                                            <td>
                                                <div class="userDatatable-content">{{ $item->inv_id }}</div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content">
                                                    @if ($item->image_url)
                                                        <a href="{{ $item->image_url }}" target="_blank" rel="noopener">
                                                            <img src="{{ $item->image_url }}" alt="{{ $item->inv_id }}"
                                                                class="inv-thumb-img">
                                                        </a>
                                                    @else
                                                        null
                                                    @endif
                                                </div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content">{{ $item->gold_type }}</div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content">{{ $item->type }}</div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content">{{ $item->type_code }}</div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content">{{ $item->weight }}</div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content">{{ $item->price }}</div>
                                            </td>
                                            <td>
                                                <div class="userDatatable-content d-flex align-items-center"
                                                    style="gap: 14px;">
                                                    <button type="button"
                                                        class="item-action-link text-success js-validate-btn"
                                                        data-url="{{ route('inventory.validate.update', $item->inv_id) }}">
                                                        <i class="la la-check-circle"></i> Validate
                                                    </button>
                                                    <button type="button"
                                                        class="item-action-link text-danger js-reject-btn"
                                                        data-url="{{ route('inventory.validate.reject', $item->inv_id) }}">
                                                        <i class="la la-close"></i> Reject
                                                    </button>
                                                </div>
                                            </td>
                                        </tr>
                                    @empty
                                        <tr>
                                            <td colspan="8" class="text-center">
                                                <div class="card-body">
                                                    <div class="atbd-empty text-center">
                                                        <div class="atbd-empty__image">
                                                            <img src="{{ asset('img/folders/1.svg') }}" alt="Admin Empty">
                                                        </div>
                                                        <div class="atbd-empty__text">
                                                            <p class="">No inventory items found.</p>
                                                        </div>
                                                    </div>
                                                </div>
                                            </td>
                                        </tr>
                                    @endforelse
                                </tbody>
                            </table>
                            <p id="inventory-no-results" class="text-center mt-20 mb-0" style="display:none;">No matching
                                inventory items found.</p>
                        </div>
                        <div
                            class="inv-pagination-bar d-flex align-items-center justify-content-between flex-wrap mt-20 pt-20">
                            <p class="inv-pagination-info mb-0" id="inventory-info"></p>
                            <nav aria-label="Inventory pagination">
                                <ul class="inv-pagination mb-0" id="inventory-pagination"></ul>
                            </nav>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>
@endsection

@section('styles')
    <style>
        .inv-table-scroll {
            max-height: 520px;
            overflow-y: auto;
        }

        .inv-table-scroll thead th {
            position: sticky;
            top: 0;
            background-color: #fff;
            z-index: 1;
        }

        .inv-pagination-bar {
            border-top: 1px solid #eef1f5;
        }

        .inv-pagination-info {
            font-size: 13px;
            color: #7e8299;
        }

        .inv-pagination {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 6px;
        }

        .inv-pagination__item {
            display: inline-flex;
        }

        .inv-pagination__link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            padding: 0 8px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 500;
            color: #5a5f7d;
            background-color: #f4f5f7;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.15s ease-in-out;
            user-select: none;
        }

        .inv-pagination__link:hover:not(.disabled):not(.active) {
            background-color: #e4e7ed;
            color: #2c2e3d;
        }

        .inv-pagination__link.active {
            background-color: #19bdb4;
            color: #fff;
            box-shadow: 0 4px 10px rgba(25, 189, 180, 0.35);
        }

        .inv-pagination__link.disabled {
            opacity: 0.4;
            cursor: not-allowed;
            pointer-events: none;
        }

        .inv-pagination__ellipsis {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 34px;
            height: 34px;
            color: #b4b7c9;
            font-weight: 600;
        }

        .inv-thumb-img {
            width: 44px;
            height: 44px;
            object-fit: cover;
            border-radius: 6px;
            border: 1px solid #e5e7eb;
            background-color: #f4f5f7;
            position: relative;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .inv-thumb-img:hover {
            transform: scale(3);
            z-index: 10;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        .item-action-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: none;
            border: none;
            padding: 0;
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: opacity 0.15s ease-in-out;
        }

        .item-action-link i {
            font-size: 15px;
        }

        .item-action-link:hover:not(:disabled) {
            text-decoration: underline;
        }

        .item-action-link:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
    </style>
@endsection

@section('scripts')
    <script>
        $(function() {
            var PAGE_SIZE = 10;
            var currentPage = 1;

            var $rows = $('#inventory-table-body tr.inventory-row');
            var $search = $('#inventory-search');
            var $goldTypeFilter = $('#inventory-filter-gold-type');
            var $typeFilter = $('#inventory-filter-type');
            var $noResults = $('#inventory-no-results');
            var $pagination = $('#inventory-pagination');
            var $info = $('#inventory-info');
            var $export = $('#inventory-export');

            function getMatchingRows() {
                var value = $search.val().toLowerCase().trim();
                var goldType = $goldTypeFilter.val();
                var type = $typeFilter.val();

                return $rows.filter(function() {
                    var matchesSearch = $(this).text().toLowerCase().indexOf(value) > -1;
                    var matchesGoldType = !goldType || $(this).data('gold-type') == goldType;
                    var matchesType = !type || $(this).data('type') == type;

                    return matchesSearch && matchesGoldType && matchesType;
                });
            }

            // Builds a windowed page list, e.g. [1, '...', 4, 5, 6, '...', 11]
            function buildPageList(current, total) {
                var pages = [];
                var windowSize = 1;

                for (var page = 1; page <= total; page++) {
                    var isEdge = page === 1 || page === total;
                    var isNearCurrent = Math.abs(page - current) <= windowSize;

                    if (isEdge || isNearCurrent) {
                        pages.push(page);
                    } else if (pages[pages.length - 1] !== '...') {
                        pages.push('...');
                    }
                }

                return pages;
            }

            function pageItem(label, page, isActive, isDisabled) {
                var classes = 'inv-pagination__link' + (isActive ? ' active' : '') + (isDisabled ? ' disabled' :
                    '');
                return $('<li class="inv-pagination__item"></li>').append(
                    $('<a href="" class="' + classes + '">' + label + '</a>')
                    .on('click', function(e) {
                        e.preventDefault();
                        if (!isDisabled && page !== currentPage) {
                            currentPage = page;
                            render();
                        }
                    })
                );
            }

            function renderPagination(totalPages) {
                $pagination.empty();

                if (totalPages <= 1) {
                    return;
                }

                $pagination.append(pageItem('&lsaquo;', currentPage - 1, false, currentPage === 1));

                buildPageList(currentPage, totalPages).forEach(function(page) {
                    if (page === '...') {
                        $pagination.append(
                            '<li class="inv-pagination__item"><span class="inv-pagination__ellipsis">&hellip;</span></li>'
                        );
                    } else {
                        $pagination.append(pageItem(page, page, page === currentPage, false));
                    }
                });

                $pagination.append(pageItem('&rsaquo;', currentPage + 1, false, currentPage === totalPages));
            }

            function render() {
                var $matching = getMatchingRows();
                var total = $matching.length;
                var totalPages = Math.max(1, Math.ceil(total / PAGE_SIZE));
                currentPage = Math.min(currentPage, totalPages);

                var start = total === 0 ? 0 : (currentPage - 1) * PAGE_SIZE + 1;
                var end = Math.min(currentPage * PAGE_SIZE, total);

                $rows.hide();
                $matching.slice((currentPage - 1) * PAGE_SIZE, currentPage * PAGE_SIZE).show();

                $noResults.toggle(total === 0);
                $info.text(total === 0 ? '' : 'Showing ' + start + ' to ' + end + ' of ' + total + ' entries');
                renderPagination(totalPages);
            }

            $search.on('keyup', function() {
                currentPage = 1;
                render();
            });

            $goldTypeFilter.add($typeFilter).on('change', function() {
                currentPage = 1;
                render();
            });

            $export.on('click', function(e) {
                e.preventDefault();

                var params = new URLSearchParams();
                if ($search.val().trim()) params.set('search', $search.val().trim());
                if ($goldTypeFilter.val()) params.set('gold_type', $goldTypeFilter.val());
                if ($typeFilter.val()) params.set('type', $typeFilter.val());

                window.location.href = '{{ route('inventory.export') }}?' + params.toString();
            });

            function submitInventoryAction(url, data) {
                var $form = $('<form>', {
                    method: 'POST',
                    action: url
                });
                $form.append($('<input>', {
                    type: 'hidden',
                    name: '_token',
                    value: $('meta[name="csrf-token"]').attr('content')
                }));

                $.each(data || {}, function(name, value) {
                    $form.append($('<input>', {
                        type: 'hidden',
                        name: name,
                        value: value
                    }));
                });

                $('body').append($form);
                $form.submit();
            }

            $('#inventory-table-body').on('click', '.js-validate-btn', function(e) {
                e.preventDefault();

                var url = $(this).data('url');

                Swal.fire({
                    icon: 'question',
                    title: 'Validate this inventory item?',
                    text: 'This will mark the item as validated and move it to the next approval step.',
                    showCancelButton: true,
                    confirmButtonText: 'Yes, validate',
                    cancelButtonText: 'Cancel',
                    confirmButtonColor: '#19bdb4',
                }).then(function(result) {
                    if (result.isConfirmed) {
                        submitInventoryAction(url);
                    }
                });
            });

            $('#inventory-table-body').on('click', '.js-reject-btn', function(e) {
                e.preventDefault();

                var url = $(this).data('url');

                Swal.fire({
                    icon: 'warning',
                    title: 'Reject this inventory item?',
                    text: 'This will reject the item and send it back before validation.',
                    input: 'textarea',
                    inputPlaceholder: 'Enter reason for rejection...',
                    inputValidator: function(value) {
                        if (!value || !value.trim()) {
                            return 'A reason is required to reject this item.';
                        }
                    },
                    showCancelButton: true,
                    confirmButtonText: 'Yes, reject',
                    cancelButtonText: 'Cancel',
                    confirmButtonColor: '#ff4d4f',
                }).then(function(result) {
                    if (result.isConfirmed) {
                        submitInventoryAction(url, {
                            reason: result.value.trim()
                        });
                    }
                });
            });

            render();
        });
    </script>
@endsection