<?php
// Define paths and filenames for the counter file and generated image output
$counterFile = "counter.txt";
$imageFile = "counter.png";

// Background image URL for the counter display
$backgroundImageUrl = "https://computer.glamour.ovh/hit-counter/bg.png"; // Replace this with your actual background image URL

// Text settings to be displayed on the image
$customText = "computer_glamour"; // Main headline text
$secondaryText = "amount of hits:"; // Secondary descriptive text

// Coordinates for positioning the text and number on the image
$textPositionX = 5; // X-coordinate for the main text
$textPositionY = 5; // Y-coordinate for the main text
$secondaryTextPositionX = 5; // X-coordinate for the secondary text
$secondaryTextPositionY = 20; // Y-coordinate for the secondary text
$numberPositionX = 5; // X-coordinate for the counter number
$numberPositionY = 40; // Y-coordinate for the counter number

// RGB color definitions for text, secondary text, number, and optional frame
$textColorRGB = ['red' => 255, 'green' => 255, 'blue' => 255]; // Color for the main text
$secondaryTextColorRGB = ['red' => 255, 'green' => 255, 'blue' => 255]; // Color for the secondary text
$numberColorRGB = ['red' => 255, 'green' => 255, 'blue' => 255]; // Color for the counter number
$frameColorRGB = ['red' => 255, 'green' => 0, 'blue' => 255]; // Color for the frame
$drawFrame = true; // Boolean to toggle drawing a frame around the image

// Ensure the counter file exists, and initialize if not
if (!file_exists($counterFile)) {
    file_put_contents($counterFile, "0"); // Create the file with an initial value of 0 if it doesn't exist
}

// Open the file for reading and writing (c+ creates the file if it does not exist)
$fp = fopen($counterFile, "c+");
if (flock($fp, LOCK_EX)) { // Lock to synchronize file access
    // Read and increment the counter
    $number = (int)fread($fp, filesize($counterFile));
    $number++; // Increment the counter by 1

    // Prepare the file for writing the updated counter
    ftruncate($fp, 0); // Clear file content
    rewind($fp); // Reset the file pointer to the start of the file
    fwrite($fp, (string)$number); // Write the new counter value to the file

    // Release the lock on the file
    flock($fp, LOCK_UN);
}
fclose($fp); // Close the file

// Load the background image and determine its type (JPEG or PNG)
list($width, $height, $type) = getimagesize($backgroundImageUrl); // Get image dimensions and type
switch ($type) {
    case IMAGETYPE_JPEG:
        $backgroundImage = imagecreatefromjpeg($backgroundImageUrl); // Load JPEG image
        break;
    case IMAGETYPE_PNG:
        $backgroundImage = imagecreatefrompng($backgroundImageUrl); // Load PNG image
        break;
    default:
        die("Unsupported image format: " . $backgroundImageUrl); // Exit script if image format is not supported
}

// Allocate colors for the text and frame on the image
$frameColor = imagecolorallocate($backgroundImage, $frameColorRGB['red'], $frameColorRGB['green'], $frameColorRGB['blue']);
$textColor = imagecolorallocate($backgroundImage, $textColorRGB['red'], $textColorRGB['green'], $textColorRGB['blue']);
$secondaryTextColor = imagecolorallocate($backgroundImage, $secondaryTextColorRGB['red'], $secondaryTextColorRGB['green'], $secondaryTextColorRGB['blue']);
$numberColor = imagecolorallocate($backgroundImage, $numberColorRGB['red'], $numberColorRGB['green'], $numberColorRGB['blue']);

// Optionally draw a rectangular frame around the entire image
if ($drawFrame) {
    imagerectangle($backgroundImage, 0, 0, $width - 1, $height - 1, $frameColor); // Draw the frame
}

// Add the main text, secondary text, and counter number to the image
imagestring($backgroundImage, 7, $textPositionX, $textPositionY, $customText, $textColor); // Draw main text
if (!empty($secondaryText)) {
    imagestring($backgroundImage, 5, $secondaryTextPositionX, $secondaryTextPositionY, $secondaryText, $secondaryTextColor); // Draw secondary text if provided
}
imagestring($backgroundImage, 7, $numberPositionX, $numberPositionY, (string)$number, $numberColor); // Draw counter number

// Output the final image as a PNG file
imagepng($backgroundImage, $imageFile); // Save the image to a file
imagedestroy($backgroundImage); // Free up memory used by the image

// Set headers for the browser to interpret the output as an image
header('Content-Type: image/png'); // MIME type for PNG image
header('Content-Disposition: filename="' . $imageFile . '"'); // Suggested filename for download
readfile($imageFile); // Output the image file

// For more information, refer to the Git repository:
// https://git.cyberwa.re/revengeday/hit-counter/src/branch/main
?>
