#I LOVE YOU EVERDAY#

<?php
// Handle form submission
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Check if file was uploaded successfully
    if (isset($_FILES["signature"]) && $_FILES["signature"]["error"] == UPLOAD_ERR_OK) {
        // Upload the image file
        $target_dir = "uploads/";
        $target_file = $target_dir . basename($_FILES["signature"]["name"]);
        
        // Check if file already exists
        if (file_exists($target_file)) {
            echo "Error: File already exists.";
        } else {
            // Move the uploaded file to the target directory
            if (move_uploaded_file($_FILES["signature"]["tmp_name"], $target_file)) {
                // Specify absolute path to Python script
                $python_script = "process_image.py";
                
                // Call the Python script for image processing
                $output = shell_exec("python $python_script " . $target_file);
                
                // Check if Python script execution was successful
                if ($output === false) {
                    echo "Error: Failed to execute Python script.";
                } else {
                    echo $output;
                }
            } else {
                echo "Error: Unable to move file.";
            }
        }
    } else {
        // Handle file upload error
        echo "Error: File upload failed.";
        // Output specific file error if available
        if (isset($_FILES["signature"]["error"])) {
            echo " Error code: " . $_FILES["signature"]["error"];
        }
    }
}
?>