@extends('layouts.main')

@section('title', 'Multi Branch Management System - Manage Branches')

@section('content')
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/sweetalert2@11/dist/sweetalert2.min.css">

<!-- DataTables CSS (Bootstrap 5 theme) -->
<link rel="stylesheet" href="https://cdn.datatables.net/1.13.8/css/dataTables.bootstrap5.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/responsive/2.5.0/css/responsive.bootstrap5.min.css">

<style>
    /* If Bootstrap is not available, add this */
    .spinner-border {
        display: inline-block;
        width: 1rem;
        height: 1rem;
        vertical-align: text-bottom;
        border: 0.2em solid currentColor;
        border-right-color: transparent;
        border-radius: 50%;
        animation: spinner-border .75s linear infinite;
    }

    @keyframes spinner-border {
        to { transform: rotate(360deg); }
    }

    .spinner-border-sm {
        width: 1rem;
        height: 1rem;
        border-width: 0.2em;
    }

    .table th {
        background-color: #f8f9fa;
        font-weight: 600;
    }
    .search-box {
        min-width: 300px;
    }
    .filter-badge {
        background-color: #e9ecef;
        padding: 0.5rem 1rem;
        border-radius: 20px;
        margin-right: 0.5rem;
        margin-bottom: 0.5rem;
        display: inline-block;
    }
    .action-btns {
        display: flex;
        gap: 5px;
    }
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }
    .filter-actions {
        display: flex;
        gap: 10px;
        justify-content: flex-end;
    }

    /* ===== DataTables custom styling to match the rest of the UI ===== */
    #branchesTable_wrapper .dataTables_length select {
        padding: 0.25rem 2rem 0.25rem 0.5rem;
        border-radius: 4px;
        border: 1px solid #dee2e6;
    }
    #branchesTable_wrapper .dataTables_filter input {
        border-radius: 4px;
        border: 1px solid #dee2e6;
        padding: 0.375rem 0.75rem;
        margin-left: 0.5rem;
        min-width: 260px;
    }
    #branchesTable_wrapper .dataTables_filter input:focus {
        outline: none;
        border-color: #0d6efd;
        box-shadow: 0 0 0 0.15rem rgba(13,110,253,.15);
    }
    #branchesTable_wrapper .dataTables_info {
        color: #6c757d;
        font-size: 0.875rem;
    }
    #branchesTable_wrapper .dataTables_paginate .pagination {
        margin-top: 0.5rem;
    }
    #branchesTable_wrapper .dataTables_paginate .page-link {
        color: #0d6efd;
        border-radius: 4px;
        margin: 0 2px;
        border: 1px solid #dee2e6;
    }
    #branchesTable_wrapper .dataTables_paginate .page-item.active .page-link {
        background-color: #0d6efd;
        border-color: #0d6efd;
        color: #fff;
    }
    #branchesTable_wrapper .dataTables_paginate .page-item.disabled .page-link {
        color: #6c757d;
        background: #e9ecef;
        opacity: 0.6;
    }
    #branchesTable_wrapper .top-toolbar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 1rem;
    }
    #branchesTable_wrapper .dataTables_length,
    #branchesTable_wrapper .dataTables_filter {
        margin-bottom: 0;
    }
    table.dataTable thead th {
        white-space: nowrap;
    }
    table.dataTable td, table.dataTable th {
        vertical-align: middle;
    }
</style>

<div class="main-content app-content">
    <div class="container-fluid">

        <!-- Page Header -->
        <div class="d-md-flex d-block align-items-center justify-content-between page-header-breadcrumb">
            <h1 class="page-title mb-0 text-primary">Branches</h1>
            <div class="d-flex gap-2 flex-wrap">
                @if(Gate::check('branch-create'))
                    <a href="{{ route('branches.create') }}" class="btn btn-primary">Create Branches</a>
                @endif

                <div class="dropdown">
                    <button class="btn btn-success dropdown-toggle" type="button" data-bs-toggle="dropdown" aria-expanded="false">
                        <i class="fas fa-file-import"></i> Import / Export
                    </button>
                    <ul class="dropdown-menu dropdown-menu-end">
                        <li>
                            <button type="button" class="dropdown-item" data-bs-toggle="modal" data-bs-target="#importModal">
                                <i class="fas fa-file-import"></i> Import
                            </button>
                        </li>
                        <li>
                            <a href="{{ route('branches.export') }}" class="dropdown-item">
                                <i class="fas fa-file-export"></i> Export
                            </a>
                        </li>
                        <li>
                            <a href="{{ route('branches.download-sample') }}" class="dropdown-item">
                                <i class="fas fa-download"></i> Sample CSV
                            </a>
                        </li>
                    </ul>
                </div>
            </div>
        </div>
        <!-- Page Header Close -->

        <!-- Import Modal -->
        <div class="modal fade" id="importModal" tabindex="-1" aria-labelledby="importModalLabel" aria-hidden="true">
            <div class="modal-dialog">
                <div class="modal-content">
                    <div class="modal-header">
                        <h5 class="modal-title" id="importModalLabel">Import Branches</h5>
                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                    </div>
                    <form action="{{ route('branches.import') }}" method="POST" id="importForm" enctype="multipart/form-data">
                        @csrf
                        <div class="modal-body">
                            <div class="mb-3">
                                <label for="csv_file" class="form-label">Choose CSV File</label>
                                <input type="file" class="form-control" id="csv_file" name="csv_file" accept=".csv" required>
                                <small class="text-muted">Supported format: CSV only</small>
                            </div>
                            <div class="alert alert-info">
                                <i class="fas fa-info-circle"></i>
                                <strong>Required columns:</strong>
                                <ul class="mb-0 mt-1">
                                    <li><strong>branch_name</strong> - Branch name</li>
                                    <li><strong>address_line_1</strong> - Address</li>
                                    <li><strong>contact_number</strong> - Contact number</li>
                                    <li><strong>status</strong> - active or inactive</li>
                                </ul>
                            </div>
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                            <button type="submit" class="btn btn-primary" id="importBtn">
                                <i class="fas fa-upload"></i> Import
                            </button>
                        </div>
                    </form>
                </div>
            </div>
        </div>

        <div class="row flex-lg-nowrap">
            <div class="col-12">
                <div class="row flex-lg-nowrap">
                    <div class="col-12 mb-3">
                        <div class="e-panel card">
                            <div class="card-body">
                                <div class="e-table">
                                    <div class="table-responsive table-lg mt-3">
                                        <table id="branchesTable" class="table table-bordered border-top text-nowrap w-100">
                                            <thead>
                                                <tr>
                                                    <th>ID</th>
                                                    <th>Code</th>
                                                    <th>Name</th>
                                                    <th>Contact</th>
                                                    <th>Status</th>
                                                    <th data-orderable="false">Actions</th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                @forelse($branches as $key => $branch)
                                                    <tr>
                                                        <td>{{ $key + 1 }}</td>
                                                        <td>{{ $branch->branch_code }}</td>
                                                        <td>{{ $branch->branch_name }}</td>
                                                        <td>{{ $branch->contact_number }}</td>
                                                        <td>
                                                            @if($branch->status == 'active')
                                                                <span class="badge bg-success">Active</span>
                                                            @else
                                                                <span class="badge bg-danger">Inactive</span>
                                                            @endif
                                                        </td>
                                                        <td>
                                                            <a href="{{ route('branches.edit', $branch) }}" class="btn btn-sm btn-warning">Edit</a>

                                                            @if(Gate::check('branch-delete'))
                                                            <form action="{{ route('branches.destroy', $branch) }}" method="POST" class="d-inline delete-form" id="delete-form-{{ $branch->id }}">
                                                                @csrf
                                                                @method('DELETE')
                                                                <button type="button" class="btn btn-sm btn-danger btn-delete" data-id="{{ $branch->id }}" data-name="{{ $branch->branch_name }}">Delete</button>
                                                            </form>
                                                            @endif
                                                        </td>
                                                    </tr>
                                                @empty
                                                @endforelse
                                            </tbody>
                                        </table>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>

    </div>
</div>

<!-- JS Libraries -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/sweetalert2@11"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js"></script>

<!-- DataTables JS -->
<script src="https://cdn.datatables.net/1.13.8/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/1.13.8/js/dataTables.bootstrap5.min.js"></script>
<script src="https://cdn.datatables.net/responsive/2.5.0/js/dataTables.responsive.min.js"></script>
<script src="https://cdn.datatables.net/responsive/2.5.0/js/responsive.bootstrap5.min.js"></script>

<script>
    // ============================================
    // DATATABLE INITIALIZATION
    // ============================================
    $(document).ready(function () {
    // Ensure table is fully loaded before initializing DataTable
    function initDataTable() {
        // Check if DataTable is already initialized on this table
        if ($.fn.DataTable.isDataTable('#branchesTable')) {
            // Destroy existing instance
            $('#branchesTable').DataTable().destroy();
            // Remove the wrapper
            if ($('#branchesTable_wrapper').length) {
                $('#branchesTable_wrapper').remove();
            }
            // Reinsert table in DOM if needed
            var tableHtml = $('#branchesTable').prop('outerHTML');
            $('#branchesTable').replaceWith(tableHtml);
        }
        
        // Initialize DataTable
        $('#branchesTable').DataTable({
            responsive: true,
            processing: true,
            order: [[0, 'asc']],
            pageLength: 10,
            lengthMenu: [[10, 25, 50, 100, -1], [10, 25, 50, 100, "All"]],
            columnDefs: [
                { targets: -1, orderable: false, searchable: false }
            ],
            language: {
                search: "",
                searchPlaceholder: "Search branches...",
                lengthMenu: "Show _MENU_ entries",
                info: "Showing _START_ to _END_ of _TOTAL_ results",
                infoEmpty: "No branches found",
                infoFiltered: "(filtered from _MAX_ total entries)",
                zeroRecords: "No matching branches found",
                paginate: {
                    first: "First",
                    last: "Last",
                    next: "Next",
                    previous: "Prev"
                }
            },
            dom: '<"top-toolbar"lf>rt<"d-flex justify-content-between align-items-center"ip>'
        });
    }
    
    // Initialize on page load
    initDataTable();
    
    // Also reinitialize if any AJAX content is loaded (like from modal)
    $(document).ajaxComplete(function() {
        if ($('#branchesTable').length) {
            setTimeout(initDataTable, 100);
        }
    });
});
</script>

<script>
    // Toastr configuration
    toastr.options = {
        closeButton: true,
        progressBar: true,
        positionClass: "toast-top-right",
        timeOut: "4000"
    }

    // SweetAlert2 delete confirmation for branches
    $(document).on('click', '.btn-delete', function (e) {
        e.preventDefault();

        const branchId = $(this).data('id');
        const branchName = $(this).data('name');
        const form = $('#delete-form-' + branchId);

        Swal.fire({
            title: 'Are you sure?',
            html: `You are about to delete branch: <strong>${branchName}</strong><br>This action cannot be undone!`,
            icon: 'warning',
            showCancelButton: true,
            confirmButtonColor: '#d33',
            cancelButtonColor: '#3085d6',
            confirmButtonText: 'Yes, delete it!',
            cancelButtonText: 'Cancel',
            background: '#fff',
            backdrop: `
                rgba(0,0,0,0.4)
                left top
                no-repeat
            `
        }).then((result) => {
            if (result.isConfirmed) {
                Swal.fire({
                    title: 'Deleting...',
                    text: 'Please wait',
                    allowOutsideClick: false,
                    allowEscapeKey: false,
                    showConfirmButton: false,
                    didOpen: () => {
                        Swal.showLoading();
                    }
                });

                form.submit();
            }
        });
    });

    // Handle success message with SweetAlert
    @if(session('success'))
        Swal.fire({
            icon: 'success',
            title: 'Success!',
            text: "{{ session('success') }}",
            showConfirmButton: true,
            timer: 3000
        });
    @endif

    // Handle error message with SweetAlert
    @if(session('error'))
        Swal.fire({
            icon: 'error',
            title: 'Error!',
            text: "{{ session('error') }}",
            showConfirmButton: true
        });
    @endif

    // Toastr messages (keep for other notifications)
    @if (session('danger'))
        toastr.error("{{ session('danger') }}");
    @endif

    @if (session('warning'))
        toastr.warning("{{ session('warning') }}");
    @endif

    @if (session('info'))
        toastr.info("{{ session('info') }}");
    @endif

    @if (session('validation_errors'))
        @foreach (session('validation_errors') as $error)
            toastr.error("{{ $error }}");
        @endforeach
    @endif
</script>

<script>
    // ============================================
    // IMPORT FORM - SHOW LOADER WITH MODAL STAYING OPEN
    // ============================================
    $(document).ready(function() {
        $('#importForm').on('submit', function(e) {
            var $btn = $('#importBtn');
            var fileInput = $('#csv_file');

            if (!fileInput.val()) {
                e.preventDefault();
                toastr.error('Please select a CSV file to import.');
                return false;
            }

            $btn.prop('disabled', true);
            $btn.html(`
                <span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span>
                Importing...
            `);

            $('#importModal').modal({
                backdrop: 'static',
                keyboard: false
            });

            toastr.info('Importing data... Please wait.', 'Processing');

            return true;
        });
    });
</script>
@endsection