@extends('layouts.default')

@section('content')

<link href="css/plugins/dataTables/datatables.min.css" rel="stylesheet">

<div class="modal fade" id="BrandInfo" tabindex="-1" aria-labelledby="BrandInfoLabel" aria-hidden="true">
    <form id="brand" method="POST" action="{{ route('brands.store') }}">
        @csrf
        <div class="modal-dialog modal-lg">
            <div class="modal-content">
                <div class="modal-header d-flex justify-content-between align-items-center">
                    <h5 class="modal-title mb-0" id="BrandInfoLabel">Brand Information</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>

                <div class="modal-body">
                    <div id="success-message" class="alert alert-success" style="display: none;">
                        <span></span>
                    </div>

                    <div class="form-group mb-3">
                        <label class="form-label">Brand Name <span class="text-danger">*</span></label>
                        <input type="text" class="form-control" id="brand_name" name="name" maxlength="150">
                        <div class="invalid-feedback" id="error-name" style="display: none;">Brand name is required</div>
                    </div>

                    <div class="form-group mb-3">
                        <label class="form-label">Category <span class="text-danger">*</span></label>
                        <select class="form-select" id="brand_cat_id" name="cat_id">
                            <option value="">Select Category</option>
                            @foreach($categories as $category)
                                <option value="{{ $category->id }}">{{ $category->name }}</option>
                            @endforeach
                        </select>
                        <div class="invalid-feedback" id="error-cat_id" style="display: none;">Category is required</div>
                    </div>

                    <div class="form-group mb-3">
                        <label class="form-label">Status <span class="text-danger">*</span></label>
                        <select class="form-select" id="brand_status" name="status">
                            <option value="Active" selected>Active</option>
                            <option value="Inactive">Inactive</option>
                        </select>
                        <div class="invalid-feedback" id="error-status" style="display: none;"></div>
                    </div>

                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="button" class="btn btn-primary" id="saveBrand">
                        <i class="fa fa-check"></i>&nbsp;Save Changes
                    </button>
                </div>
            </div>
        </div>
    </form>
</div>

{{-- update brand modal --}}
<div class="modal fade" id="EditBrandInfo" tabindex="-1" aria-labelledby="EditBrandInfoLabel" aria-hidden="true">
    <form id="edit-brand-form">
        @csrf
        <div class="modal-dialog modal-lg">
            <div class="modal-content">
                <div class="modal-header d-flex justify-content-between align-items-center">
                    <h5 class="modal-title mb-0" id="EditBrandInfoLabel">Edit Brand Information</h5>
                    <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body">
                    <div id="edit-success-message" class="alert alert-success" style="display: none;">
                        <span></span>
                    </div>
                    <div class="form-group mb-3">
                        <label class="form-label">Brand Name <span class="text-danger">*</span></label>
                        <input type="text" class="form-control" id="edit_brand_name" name="name" maxlength="150">
                        <div class="invalid-feedback" id="edit-error-name" style="display: none;">
                            Brand name is required
                        </div>
                    </div>

                    <div class="form-group mb-3">
                        <label class="form-label">Category <span class="text-danger">*</span></label>
                        <select class="form-select" id="edit_brand_cat_id" name="cat_id">
                            <option value="">Select Category</option>
                            @foreach($categories as $category)
                                <option value="{{ $category->id }}">{{ $category->name }}</option>
                            @endforeach
                        </select>
                        <div class="invalid-feedback" id="edit-error-cat_id" style="display: none;">Category is required</div>
                    </div>

                    <div class="form-group mb-3">
                        <label class="form-label">Status <span class="text-danger">*</span></label>
                        <select class="form-select" id="edit_brand_status" name="status">
                            <option value="Active">Active</option>
                            <option value="Inactive">Inactive</option>
                        </select>
                        <div class="invalid-feedback" id="edit-error-status" style="display: none;"></div>
                    </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                    <button type="button" class="btn btn-primary" id="updateBrand">
                        <i class="fa fa-check"></i>&nbsp;Update Brand
                    </button>
                </div>
            </div>
        </div>
    </form>
</div>


<div class="card-section-header">
    <div class="d-flex justify-content-between align-items-start w-100">
        <div>
            <h2 class="card-section-title">Brands</h2>
            <p class="card-section-subtitle">Manage product brands and their associated categories.</p>
        </div>
        <button class="btn btn-primary" type="button" id="addNewBrand">
            <i class="fa fa-plus"></i><span class="btn-text">&nbsp;New Brand</span>
        </button>
    </div>
</div>
<div class="wrapper wrapper-content">

    <!-- Desktop DataTable View -->
    <div class="row d-none d-lg-block">
        <div class="col-lg-12">
            <table class="table table-striped table-bordered table-hover" style="width: 100%;" id="brands-table">
                <thead>
                    <tr>
                        <th>ID</th>
                        <th>Name</th>
                        <th>Category</th>
                        <th>Status</th>
                        <th>Action</th>
                    </tr>
                </thead>
                <tbody>
                </tbody>
            </table>
        </div>
    </div>

    <!-- Mobile Card View -->
    <div class="mobile-brands-container d-lg-none">
        <div class="mb-3">
            <label class="form-label fw-bold">Search:</label>
            <input type="text" class="form-control" id="mobile-search-input" placeholder="Search brands...">
        </div>
        <div id="mobile-brands-cards" class="mobile-brands-list">
            <!-- Cards will be populated here -->
        </div>
        <div id="mobile-brands-pagination" class="mt-3 d-flex justify-content-center">
            <!-- Pagination will be populated here -->
        </div>
        <div id="mobile-brands-loading" class="text-center py-4" style="display: none;">
            <i class="fa fa-spinner fa-spin fa-3x"></i>
        </div>
    </div>
</div>
@push('scripts')
<script>
    $("#addNewBrand").click(function(e){
        e.preventDefault();
        ModalHelper.open('BrandInfo');
    });
    
    $(document).ready(function() {
        // Ensure the Add Brand form is always fresh when the modal opens
        $('#BrandInfo').on('show.bs.modal', function () {
            $('#brand')[0].reset();
            $('#brand_status').val('Active');
            $('.invalid-feedback').hide();
            $('.form-control').removeClass('is-invalid');
        });

        // Define the save button element
        const saveButton = $('#saveBrand');

        // Function to reset the button state
        function resetButtonState(button, text, disabled = false) {
            button.html(text).prop('disabled', disabled);
        }

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

            let brandData = {
                name: $('#brand_name').val(),
                cat_id: $('#brand_cat_id').val(),
                status: $('#brand_status').val()
            };
            let token = $('input[name="_token"]').val();

            // Change the button text to "Processing..."
            resetButtonState(saveButton,'<i class="fa fa-spinner fa-spin"></i> Processing...', true);

            // Clear previous validation messages
            $('.invalid-feedback').hide();
            $('.form-control').removeClass('is-invalid');

            $.ajax({
                url: "{{ route('brands.store') }}",
                type: "POST",
                data: brandData,
                success: function(response) {
                    if (response.success) {
                        // Clear input fields
                        $('#brand_name').val('');
                        $('#brand_cat_id').val('');
                        $('#brand_status').val('Active');

                        // Show the success message
                        $('#success-message span').text('Brand added successfully!');
                        $('#success-message').fadeIn();

                        // Refresh the DataTable
                        brandsTable.ajax.reload(null, false);
                        
                        // Refresh mobile view if on mobile
                        if (window.innerWidth < 992 && typeof window.brandsMobileManager !== 'undefined') {
                            window.brandsMobileManager.refresh();
                        }

                        // Optionally hide the message after a few seconds
                        setTimeout(function() {
                            $('#success-message').fadeOut();
                        }, 3000);
                    }

                    // Reset button to "Save Changes"
                    resetButtonState(saveButton,'<i class="fa fa-check"></i> Save Changes');
                },
                complete: function() {
                    // Always reset button state when request completes (ensures it works in mobile)
                    // Use both the variable and direct selector to ensure it works
                    if (saveButton && saveButton.length) {
                        resetButtonState(saveButton,'<i class="fa fa-check"></i> Save Changes');
                    } else {
                        $('#saveBrand').html('<i class="fa fa-check"></i>&nbsp;Save Changes').prop('disabled', false);
                    }
                },
                error: function(errorResponse) {
                    // Reset button to "Save Changes"
                    resetButtonState(saveButton,'<i class="fa fa-check"></i> Save Changes');

                    if (errorResponse.status === 422) { // Laravel validation error
                        let errors = errorResponse.responseJSON.errors;
                        Object.keys(errors).forEach(function(key) {
                            let fieldId = 'brand_' + key;
                            $('#' + fieldId).addClass('is-invalid');
                            $('#error-' + key).text(errors[key][0]).show();
                        });
                    } else {
                        Swal.fire({
                            title: 'Error!',
                            text: 'An error occurred. Please try again.',
                            icon: 'error',
                            confirmButtonText: 'OK'
                        });
                    }
                }
            });
        });

        $(document).on('click', '.edit-button', function() {

            let brandId = $(this).data('id');

            // Fetch brand details from the database
            $.ajax({
                url: "{{ route('brands.show', ':id') }}".replace(':id', brandId),
                type: 'GET',
                success: function(data) {
                    // Populate the edit form with the fetched data
                    $('#edit_brand_name').val(data.name);
                    $('#edit_brand_cat_id').val(data.cat_id);
                    $('#edit_brand_status').val(data.status);

                    // Store brand ID in a data attribute for later
                    $('#edit-brand-form').data('brand-id', brandId);

                    // Open edit modal
                    ModalHelper.open('EditBrandInfo');
                },
                error: function() {
                    Swal.fire('Error', 'Could not fetch brand details.', 'error');
                }
            });
        });   
        
        $(document).on('click', '#updateBrand', function () {
            let brandId = $('#edit-brand-form').data('brand-id');
            let brandData = {
                name: $('#edit_brand_name').val(),
                cat_id: $('#edit_brand_cat_id').val(),
                status: $('#edit_brand_status').val()
            };
            let token = $('input[name="_token"]').val();

            // Get the update button reference
            let updateButton = $('#updateBrand');

            // Set the button to "Processing..." state
            resetButtonState(updateButton, '<i class="fa fa-spinner fa-spin"></i> Processing...', true);

            // Clear validation messages
            $('.form-control').removeClass('is-invalid');
            $('.invalid-feedback').hide();

            $.ajax({
                url: "{{ route('brands.update', ':id') }}".replace(':id', brandId),
                type: 'PUT',
                data: brandData,
                success: function (response) {
                    if (response.success) {
                        // Close the modal
                        $('#EditBrandInfo').modal('hide');

                        // Refresh the DataTable
                        brandsTable.ajax.reload(null, false);
                        
                        // Refresh mobile view if on mobile
                        if (window.innerWidth < 992 && typeof window.brandsMobileManager !== 'undefined') {
                            window.brandsMobileManager.refresh();
                        }

                        // Show success alert
                        Swal.fire('Success', 'Brand updated successfully!', 'success');
                    }

                    // Reset the button back to "Update Brand"
                    resetButtonState(updateButton, '<i class="fa fa-check"></i> Update Brand');
                },
                error: function (errorResponse) {
                    // Reset the button back to "Update Brand"
                    resetButtonState(updateButton, '<i class="fa fa-check"></i> Update Brand');

                    if (errorResponse.status === 422) {
                        let errors = errorResponse.responseJSON.errors;
                        Object.keys(errors).forEach(function(key) {
                            $('#edit_brand_' + key).addClass('is-invalid');
                            $('#edit-error-' + key).text(errors[key][0]).show();
                        });
                    } else {
                        Swal.fire('Error', 'Could not update brand.', 'error');
                    }
                },
            });
        });     

        var brandsTable = $('#brands-table').DataTable({
            processing: true,
            serverSide: true,
            info: false,
            lengthChange: false,
            ajax: '{{ route('brands.data') }}',
            columns: [
                { data: 'id', name: 'id' },
                { data: 'name', name: 'name' },
                { data: 'category.name', name: 'category.name', defaultContent: '-' },
                { data: 'status', name: 'status' },
                {
                    data: null,
                    render: function (data, type, row) {
                        return `
                            <button class="btn btn-info btn-circle edit-button" type="button" data-id="${row.id}"><i class="fa fa-edit"></i></button>
                            <button class="btn btn-danger btn-circle delete-button" type="button" data-id="${row.id}"><i class="fa fa-times"></i></button>
                        `;
                    },
                    width: '150px', orderable: false, searchable: false
                }
            ],
            order: [[1, 'asc']], // Alphabetical by name
            language: {
                processing: '<i class="fa fa-spinner fa-spin fa-3x fa-fw"></i><span class="visually-hidden">Loading...</span>'
            }
        });

        // Initialize Mobile CRUD Manager for Brands
        window.brandsMobileManager = MobileCrudManager.init({
            moduleName: 'brands',
            dataUrl: '{{ route('brands.data') }}',
            deleteUrl: '{{ url('brands') }}',
            cardRenderer: function(brand) {
                let categoryName = brand.category ? brand.category.name : '-';
                return `
                    <div class="card mb-3 mobile-brand-card">
                        <div class="card-body">
                            <div class="mobile-brand-name">${brand.name}</div>
                            <div class="mobile-brand-field mb-2">
                                <span class="mobile-brand-label">Name</span>
                            </div>
                            <div class="mobile-brand-field mb-2">
                                <div class="mobile-brand-value">${categoryName}</div>
                                <span class="mobile-brand-label">Category</span>
                            </div>
                            <div class="mobile-brand-field mb-2">
                                <div class="mobile-brand-value">${brand.status}</div>
                                <span class="mobile-brand-label">Status</span>
                            </div>
                            <div class="mobile-brand-actions">
                                <button class="btn btn-info btn-circle edit-button" type="button" data-id="${brand.id}">
                                    <i class="fa fa-edit"></i>
                                </button>
                                <button class="btn btn-danger btn-circle delete-button" type="button" data-id="${brand.id}">
                                    <i class="fa fa-times"></i>
                                </button>
                            </div>
                        </div>
                    </div>
                `;
            },
            dataTable: brandsTable
        });

        // Initialize Delete Helper for Brands
        DeleteHelper.init({
            deleteUrl: '{{ url('brands') }}',
            dataTable: brandsTable,
            mobileManager: window.brandsMobileManager
        });
    });   
</script>
@endpush
@endsection