@include('Partials.sidebar')

<section class="main_content dashboard_part large_header_bg">

    @include('Partials.header')

    <div class="main_content_iner default_main_contaner_iner">

        @if ($errors->any())
            <div>
                <ul>
                    @foreach ($errors->all() as $error)
                        <li>{{ $error }}</li>
                    @endforeach
                </ul>
            </div>
        @endif

        <div class="page-body">
            <div class="container-fluid">
                <div class="page-title">
                    <div class="row">
                        <div class="col-sm-6 ps-0">
                            <h3>About Why Section</h3>
                        </div>
                    </div>
                </div>
            </div>

            <div class="container-fluid">
                <div class="row">
                    <div class="col-md-12">
                        <div class="location-form" style="width: 100%">

                            <div class="location-form-header">
                                <h3>About Why Section Form</h3>
                            </div>
                            <div class="location-form-body">
                                <form id="home_featured_project_section_form"
                                    action="{{ url('/about/why-section/store') }}" method="POST"
                                    enctype="multipart/form-data">
                                    @csrf
                                    <div class="row">
                                        <div class="col-xl-12 col-sm-6">
                                            <div class="form-group">
                                                <label for="Section Title" class="form-label">Section Title:</label>
                                                <input type="text" id="title" name="title" required class="form-control"
                                                    value="{{ old('title', $aboutWhy->title ?? '') }}">
                                            </div>
                                        </div>

                                        <div class="col-xl-6 col-sm-6">
                                            <div class="form-group">
                                                <div id="image-repeater-0">
                                                    <label>About Frist Image</label><br />
                                                    <label> *Dimension: 700px X 658px</label><br />
                                                    <div class="image-input-wrapper" style="margin-top: 10px;">
                                                        <div class="image-preview"
                                                            onclick="document.getElementById('first_image').click();">

                                                            @if (isset($aboutWhy->first_image) && !empty($aboutWhy->first_image))
                                                                <img id="preview-0"
                                                                    src="{{ isset($aboutWhy->first_image) ? asset($aboutWhy->first_image) : '' }}"
                                                                    alt="Image Preview"
                                                                    style="max-width: 200px; display: {{ isset($aboutWhy->first_image) ? 'block' : 'none' }};" />
                                                            @else
                                                                <img id="preview-0" src="" alt="Image Preview"
                                                                    style="max-width: 200px; display:none;" />
                                                            @endif
                                                        </div><br>
                                                        <label for="first_image" class="custom-file-upload">
                                                            <i class="fas fa-cloud-upload-alt"></i> Choose
                                                            Image
                                                        </label>
                                                        <input id="first_image" class="file_input" type="file"
                                                            name="first_image" accept=".png, .jpg, .jpeg, .webp"
                                                            onchange="previewImage(this, 0, 700, 658, 'The First image must be 700px x 658px.')" />
                                                        <div id="preview-container-0"></div>
                                                    </div>
                                                </div>
                                                <input type="hidden" id="existing_first_image"
                                                    value="{{ $aboutWhy->first_image }}">
                                            </div>
                                        </div>

                                        <div class="col-xl-6 col-sm-6">
                                            <div class="form-group">
                                                <div id="image-repeater-1">
                                                    <label>About Second Image</label><br />
                                                    <label> *Dimension: 700px X 334px</label><br />
                                                    <div class="image-input-wrapper" style="margin-top: 10px;">
                                                        <div class="image-preview"
                                                            onclick="document.getElementById('second_image').click();">

                                                            @if (isset($aboutWhy->second_image) && !empty($aboutWhy->second_image))
                                                                <img id="preview-0"
                                                                    src="{{ isset($aboutWhy->second_image) ? asset($aboutWhy->second_image) : '' }}"
                                                                    alt="Image Preview"
                                                                    style="max-width: 200px; display: {{ isset($aboutWhy->second_image) ? 'block' : 'none' }};" />
                                                            @else
                                                                <img id="preview-0" src="" alt="Image Preview"
                                                                    style="max-width: 200px; display:none;" />
                                                            @endif
                                                        </div><br>
                                                        <label for="second_image" class="custom-file-upload">
                                                            <i class="fas fa-cloud-upload-alt"></i> Choose
                                                            Image
                                                        </label>
                                                        <input id="second_image" class="file_input" type="file"
                                                            name="second_image" accept=".png, .jpg, .jpeg, .webp"
                                                            onchange="previewImage(this, 1, 700, 334, 'The Second image must be 700px x 334px.')" />
                                                        <div id="preview-container-1"></div>
                                                    </div>
                                                </div>
                                                <input type="hidden" id="existing_second_image"
                                                    value="{{ $aboutWhy->second_image }}">
                                            </div>
                                        </div>

                                        <div class="col-xl-12 col-sm-6">
                                            <div id="description-container">
                                                @php
                                                    $slideDescriptions = json_decode($aboutWhy->description, true);                                                   
                                                @endphp
                                                @foreach ($slideDescriptions as $index => $slideDescription)
                                                    <div class="section-description" id="section-description-0">
                                                        <div class="form-group">
                                                            <label for="section_description" class="form-label">Section
                                                                Description:</label>
                                                            <textarea rows="5"
                                                                id="section_description-"
                                                                name="section_description-" required
                                                                class="form-control">{{ $slideDescription ?? ''  }}</textarea>
                                                        </div>
                                                        <button type="button" class="btn btn-danger remove-slide"
                                                            onclick="removeSlide(this)">Remove</button><br /><br />
                                                    </div>
                                                @endforeach

                                            </div>
                                            <!-- Button to add new slide -->
                                            <button type="button" class="btn btn-success" id="add-new">Add New
                                            </button><br /><br />
                                        </div>

                                    </div>

                                    <button class="btn btn-primary"
                                        type="submit">{{ isset($aboutWhy) ? 'Update' : 'Submit' }}</button>
                                </form>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

</section>

<script>
    // Function to preview the image
    function previewImage(input, index, requiredWidth, requiredHeight, errorMsg) {
        if (input.files && input.files[0]) {
            const file = input.files[0];
            const img = new Image();
            const reader = new FileReader();
            const objectURL = URL.createObjectURL(file);
            const preview = document.getElementById(`preview-${index}`);
            const oldImageSrc = preview.src; // Store the old image source

            img.onload = function () {
                // Validate image dimensions
                if (img.width !== requiredWidth || img.height !== requiredHeight) {
                    alert(errorMsg);
                    preview.src = oldImageSrc; // Revert to the old image
                    input.value = ""; // Clear the file input
                } else {
                    // Display the new preview if dimensions are correct
                    reader.onload = function (e) {
                        preview.src = e.target.result;
                        preview.style.display = "block";
                    };
                    reader.readAsDataURL(file);
                }
                // Clean up object URL
                URL.revokeObjectURL(objectURL);
            };

            img.onerror = function () {
                alert("Invalid image file.");
                preview.src = oldImageSrc; // Revert to the old image
                input.value = ""; // Clear the file input
                URL.revokeObjectURL(objectURL);
            };

            img.src = objectURL;
        }
    }

    // Function to reset the preview
    function resetPreview(input, index) {
        const preview = document.getElementById(`preview-${index}`);
        if (preview) {
            preview.src = "";
            preview.style.display = "none";
        }
        input.value = ""; // Clear the file input
    }
</script>

<script>

    jQuery(document).ready(function ($) {
        let slideIndex = {{ count($slideDescriptions) }};

        // Function to add validation to a specific slide
        function addSlideValidation(index) {
            // Check that the element exists before applying validation
            if ($(`#section_description-${index}`).length) {
                $(`#section_description-${index}`).rules("add", {
                    required: true,
                    messages: { required: "Please enter Section Description" }
                });
            }
        }

        // Handle adding a new slide dynamically
        document.getElementById('add-new').addEventListener('click', function () {
            const slideContainer = document.getElementById('description-container');
            const newSlide = document.createElement('div');

            newSlide.className = 'form-group section-description';
            newSlide.id = `section-description-${slideIndex}`;

            newSlide.innerHTML = `
            <div class="form-group">
                <label for="section_description-${slideIndex}" class="form-label">Section Description:</label>
                <textarea rows="5" id="section_description-${slideIndex}" name="section_description-${slideIndex}" required
                        class="form-control"></textarea>
            </div>
            <button type="button" class="btn btn-danger remove-slide" onclick="removeSlide(this)">Remove</button>
        `;

            slideContainer.appendChild(newSlide);
            addSlideValidation(slideIndex); // Add validation to the new slide
            slideIndex++; // Increment for next slide
        });

        // Handle removing a slide dynamically
        window.removeSlide = function (button) {
            const slide = button.closest('.section-description');
            slide.remove();
            // Optionally, you can also remove the validation if required (e.g., using `rules("remove")`)
        };

        // Form validation
        $('#home_featured_project_section_form').validate({
            rules: {
                title: {
                    required: true,
                },
                first_image: {
                    required: function () {
                        const existingFirstImage = $('#existing_first_image').val().trim();
                        return !existingFirstImage;
                    }
                },
                second_image: {
                    required: function () {
                        const existingSecondImage = $('#existing_second_image').val().trim();
                        return !existingSecondImage;
                    }
                },
            },
            messages: {
                title: {
                    required: "Please enter the Title"
                },
                first_image: { required: "Please choose an image." },
                second_image: { required: "Please choose an image." }
            },
            errorPlacement: function (error, element) {
                var placement = $(element).attr("name");
                error.insertAfter(element);
            },
            submitHandler: function (form) {
                submitForm();
            }
        });

        // Initialize validation for existing slides
        const existingSlideCount = {{ count($slideDescriptions) }};
        for (let i = 0; i < existingSlideCount; i++) {
            addSlideValidation(i);
        }
    });


</script>

@include('Partials.footer')