@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 Invest 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 Invest Section Form</h3>
                            </div>
                            <div class="location-form-body">
                                <form id="home_featured_project_section_form"
                                    action="{{ url('/about/invest-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="Title" class="form-label">Title:</label>
                                                <input type="text" id="title" name="title" required class="form-control"
                                                    value="{{ old('title', $aboutInvest->title ?? '') }}">
                                            </div>
                                        </div>
                                        <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="section_title" name="section_title" required
                                                    class="form-control"
                                                    value="{{ old('section_title', $aboutInvest->section_title ?? '') }}">
                                            </div>
                                        </div>

                                        <div class="col-xl-12 col-sm-6">
                                            <div id="description-container">
                                                @php
                                                    $slideDescriptions = json_decode($aboutInvest->section_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>
                                        </div>
                                        <div class="col-xl-6 col-sm-6">
                                            <div class="form-group">
                                                <div id="image-repeater-0">
                                                    <br /><label>About Image</label><br />
                                                    <label> *Dimension: 820px X 602px</label><br />
                                                    <div class="image-input-wrapper" style="margin-top: 10px;">
                                                        <div class="image-preview"
                                                            onclick="document.getElementById('first_image').click();">
                                                            @if (isset($aboutInvest->first_image) && !empty($aboutInvest->first_image))
                                                                <img id="preview-0"
                                                                    src="{{ isset($aboutInvest->first_image) ? asset($aboutInvest->first_image) : '' }}"
                                                                    alt="Image Preview"
                                                                    style="max-width: 200px; display: {{ isset($aboutInvest->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, 820, 602, 'The image must be 820px x 602px.')" />
                                                        <div id="preview-container-0"></div>
                                                    </div>
                                                </div>
                                                <input type="hidden" id="existing_first_image"
                                                    value="{{ $aboutInvest->first_image }}">
                                            </div>
                                        </div>
                                    </div>

                                    <button class="btn btn-primary"
                                        type="submit">{{ isset($aboutInvest) ? '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) }};


        // Add a new slide
        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);
            slideIndex++; // Increment for the next slide

            // 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" }
                    });
                }
            }
        });

        // Remove a slide
        window.removeSlide = function (button) {
            button.closest('.section-description').remove();
        };

        // Initialize form validation
        $('#home_featured_project_section_form').validate({
            rules: {
                title: { required: true },
                section_title: { required: true },
                first_image: {
                    required: function () {
                        const existingFirstImage = $('#existing_first_image').val().trim();
                        return !existingFirstImage;
                    }
                },
            },
            messages: {
                title: { required: "Please enter Title" },
                section_title: { required: "Please enter Section Title" },
                first_image: { required: "Please choose an image." }
            },
            errorPlacement: function (error, element) {
                error.insertAfter(element);
            },
            submitHandler: function (form) {
                submitForm();
            }
        });

        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" }
                });
            }
        }

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



</script>

@include('Partials.footer')