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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Virtual Try-On</title>
    <link rel="stylesheet" href="{{ url_for('static', filename='styles.css') }}">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <script>
        // Handle the popup window
        function openPopup() {
            document.getElementById("popup").style.display = "block";
            document.getElementById("emailInput").style.display = "block";
            document.getElementById("submitBtn").style.display = "block";
            document.getElementById("popupMessage").innerText = "Get a free trial key sent to your email";
        }

        function closePopup() {
            document.getElementById("popup").style.display = "none";
            document.getElementById("emailInput").value = "";
            document.getElementById("popupMessage").innerText = "Get a free trial key sent to your email";
        }

        // Handle email submission
        function submitEmail() {
            const emailInput = document.getElementById("emailInput").value;

            fetch("/send_key", {
                method: "POST",
                headers: { "Content-Type": "application/json" },
                body: JSON.stringify({ email: emailInput })
            })
            .then(response => response.json())
            .then(data => {
                document.getElementById("popupMessage").innerText = data.message;
                document.getElementById("emailInput").style.display = "none";
                document.getElementById("submitBtn").style.display = "none";
            })
            .catch(err => alert("Error: " + err));
        }

        // Handle drag-and-drop and previews
        function enableImagePreview(boxId, inputId, previewId, textId, removeButtonId) {
            const box = document.getElementById(boxId);
            const input = document.getElementById(inputId);
            const preview = document.getElementById(previewId);
            const text = document.getElementById(textId);

            box.addEventListener("dragover", (e) => {
                e.preventDefault();
                box.classList.add("drag-over");
            });

            box.addEventListener("dragleave", () => box.classList.remove("drag-over"));

            box.addEventListener("drop", (e) => {
                e.preventDefault();
                box.classList.remove("drag-over");
                const file = e.dataTransfer.files[0];
                input.files = e.dataTransfer.files;
                showPreview(file, preview, text, removeButtonId);
            });

            input.addEventListener("change", () => {
                if (input.files.length > 0) {
                    showPreview(input.files[0], preview, text, removeButtonId);
                }
            });
        }

        function showPreview(file, previewElement, textElement, removeButton) {
            const reader = new FileReader();
            reader.onload = (e) => {
                previewElement.src = e.target.result;
                previewElement.style.display = "block";
                textElement.style.display = "none";
                document.getElementById(removeButton).style.display = "flex";
            };
            reader.readAsDataURL(file);
        }

        function removeImage(inputId, previewId, textId, removeButtonId) {
            const input = document.getElementById(inputId);
            const preview = document.getElementById(previewId);
            const text = document.getElementById(textId);
            const removeButton = document.getElementById(removeButtonId);

            input.value = ""; // Clear the file input
            preview.src = ""; // Clear the preview image
            preview.style.display = "none";
            text.style.display = "block";
            removeButton.style.display = "none";
        }

        // Submit form with AJAX
        function submitForm(event) {
            event.preventDefault();
            const formData = new FormData(document.getElementById("imageForm"));

            // Get the key input value and add it to the form data
            const keyInput = document.querySelector('.key-input').value;
            formData.append('key', keyInput);

            fetch("/process", {
                method: "POST",
                body: formData
            })
            .then(response => response.json())
            .then(data => {
                if (data.output_image) {
                    document.getElementById("outputImage").src = data.output_image;
                    document.getElementById("outputImage").style.display = "block";
                } else if (data.error) {
                    alert(data.error);
                }
            })
            .catch(err => alert("Error: " + err));
        }


        window.onload = () => {
            enableImagePreview("box1", "input1", "preview1", "text1", "remove1");
            enableImagePreview("box2", "input2", "preview2", "text2", "remove2");
            document.getElementById("imageForm").addEventListener("submit", submitForm);
        };
    </script>
</head>
<body>
    <div class="container">
        <!-- Title -->
        <h1 class="title">Virtual Try-On</h1>

       <!-- Key Input -->
        <div class="key-container">
            <input type="text" class="key-input" placeholder="Input your key here">
        </div>
        <button type="button" class="get-key-btn" onclick="openPopup()">Get a free key</button>


        <!-- Form -->
        <form id="imageForm">
            <div class="input-container">
               <!-- Input Box 1 -->
                <div class="drag-drop-box" id="box1">
                    <p id="text1">Person/Model Image</p>
                    <input type="file" id="input1" name="image1" accept="image/*" required>
                    <img id="preview1" class="preview" style="display: none;">
                    <span class="remove-btn" id="remove1" style="display: none;" onclick="removeImage('input1', 'preview1', 'text1', 'remove1')">×</span>
                </div>

                <!-- Input Box 2 -->
                <div class="drag-drop-box" id="box2">
                    <p id="text2">Garment Image</p>
                    <input type="file" id="input2" name="image2" accept="image/*" required>
                    <img id="preview2" class="preview" style="display: none;">
                    <span class="remove-btn" id="remove2" style="display: none;" onclick="removeImage('input2', 'preview2', 'text2', 'remove2')">×</span>
                </div>


                <!-- Output Container -->
                <div class="output-container">
                    <div class="output-box">
                        <img id="outputImage" style="display: none;" alt="Output Image">
                    </div>
                    <!-- Generate Button -->
                    <button type="submit" class="generate-btn">Generate (~20 sec)</button>
                </div>
            </div>
        </form>
    </div>

       <!-- Popup Window -->
    <div id="popup" class="popup">
        <div class="popup-content">
            <span class="close-btn" onclick="closePopup()">×</span>
            <p id="popupMessage">Get a free trial key sent to your email</p>
            <input type="email" id="emailInput" class="popup-input" placeholder="Email">
            <button id="submitBtn" type="button" class="submit-btn" onclick="submitEmail()">Submit</button>
        </div>
    </div>
</body>
</html>