@extends('pages.layout')
@section('title', 'App Slider')
@section('content')
    <style>
        .main-content {
            margin-left: 18%;
            margin-top: 7%;
        }

        #add-category .error {
            color: red;
        }

        .appSliderPreview {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }

        .appSliderPreview .image-wrapper {
            position: relative;
        }

        .appSliderPreview img {
            width: 100px;
            height: auto;
            border: 1px solid #ccc;
            border-radius: 4px;
        }

        .delete-btn {
            position: absolute;
            top: 0;
            right: 0;
            background: red;
            color: white;
            border: none;
            cursor: pointer;
            border-radius: 50%;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
    </style>

    <div class="main-content">
        <form action="{{ url()->current() }}" method="POST" enctype="multipart/form-data" id="add-category">
            @csrf
            <div class="page-header no-gutters has-tab">
                <div class="d-md-flex m-b-15 align-items-center justify-content-between">
                    <div class="media align-items-center m-b-15">
                        <div class="m-l-15">
                            <h4 class="m-b-0">App Slider Images</h4>
                        </div>
                    </div>
                </div>
            </div>
            @include('pages.includes.messages')
            <div class="tab-content m-t-15">
                <div class="tab-pane fade show active">
                    <div class="card">
                        <div class="card-body">
                            <div class="row">
                                <div class="col-4">
                                    <div class="form-group">
                                        <label class="font-weight-semibold">App Slider Images</label>
                                        <input type="file" accept="image/*" class="form-control" id="app_slider"
                                            name="app_slider[]" multiple>
                                    </div>
                                    <div class="appSliderPreview mb-3">
                                        @if ($settings && $settings->app_slider)
                                            @foreach (json_decode($settings->app_slider) as $image)
                                                <div class="image-wrapper" data-image="{{ $image }}">
                                                    <img src="{{ asset('uploads/setting/' . $image) }}" alt="App Slider Image">
                                                    <button class="delete-btn" type="button">&times;</button>
                                                </div>
                                            @endforeach
                                        @endif
                                    </div>
                                    <input type="hidden" id="hidden_images" name="hidden_images" value="{{ $settings->app_slider ?? '' }}">
                                </div>
                            </div>
                            <div class="m-b-15">
                                <button type="submit" class="btn btn-primary">
                                    <i class="anticon anticon-save"></i>
                                    <span>Save</span>
                                </button>
                            </div>
                        </div>
                    </div>
                    <div style="margin-bottom: 260px"></div>
                </div>
            </div>
        </form>
    </div>
@endsection

@section('js')
<script>
    $(function() {
        var existingImages = JSON.parse($('#hidden_images').val() || '[]');

        var imagesPreview = function(input, placeToInsertImagePreview) {
            $(placeToInsertImagePreview).empty();

            existingImages.forEach(function(image) {
                var imageWrapper = $('<div class="image-wrapper" data-image="' + image + '"></div>');
                var img = $('<img>').attr('src', '{{ asset('uploads/setting/') }}/' + image);
                var deleteBtn = $('<button class="delete-btn" type="button">&times;</button>');

                deleteBtn.on('click', function() {
                    var currentImage = image;
                    imageWrapper.remove();
                    existingImages = existingImages.filter(existingImage => existingImage !== currentImage);
                    $('#hidden_images').val(JSON.stringify(existingImages));

                    $.ajax({
                        url: '{{ route("admin.app.slider.destroy") }}',
                        type: 'DELETE',
                        data: {
                            image: currentImage,
                            _token: '{{ csrf_token() }}'
                        },
                        success: function(response) {
                            console.log('Image deleted successfully:', response);
                        },
                        error: function(xhr, status, error) {
                            console.error('Error deleting image:', error);
                        }
                    });
                });

                imageWrapper.append(img).append(deleteBtn);
                $(placeToInsertImagePreview).append(imageWrapper);
            });

            if (input.files) {
                var filesAmount = input.files.length;
                for (var i = 0; i < filesAmount; i++) {
                    var file = input.files[i];
                    var validTypes = ['image/png', 'image/jpeg', 'image/jpg', 'image/gif'];

                    if (!validTypes.includes(file.type)) {
                        alert(`File: ${file.name}. Only PNG, JPEG, JPG, or GIF files are allowed.`);
                        location.reload();
                    }

                    var reader = new FileReader();
                    reader.onload = function(event) {
                        var imageWrapper = $('<div class="image-wrapper"></div>');
                        var img = $('<img>').attr('src', event.target.result);
                        var deleteBtn = $('<button class="delete-btn" type="button">&times;</button>');

                        deleteBtn.on('click', function() {
                            imageWrapper.remove();
                        });

                        imageWrapper.append(img).append(deleteBtn);
                        $(placeToInsertImagePreview).append(imageWrapper);
                    }
                    reader.readAsDataURL(input.files[i]);
                }
            }

            $('#hidden_images').val(JSON.stringify(existingImages));
        };

        $('#app_slider').on('change', function() {
            imagesPreview(this, '.appSliderPreview');
        });
        imagesPreview({ files: [] }, '.appSliderPreview');
    });
</script>
@endsection