<?php

function convertToAscii($path) {
    $image = @imagecreatefromstring(file_get_contents($path));
    if (!$image) {
        return "Error: Unable to load image.";
    }

    // Resize the image to 128x128 pixels
    $width = imagesx($image);
    $height = imagesy($image);
    $smallWidth = 128;
    $smallHeight = 128;

    $resizedImage = imagecreatetruecolor($smallWidth, $smallHeight);
    imagecopyresampled($resizedImage, $image, 0, 0, 0, 0, $smallWidth, $smallHeight, $width, $height);

    // Convert the image to grayscale
    imagefilter($resizedImage, IMG_FILTER_GRAYSCALE);

    // ASCII characters for different brightness levels
    $asciiChars = array(' ', '.', ':', '-', '=', '+', '*', '#', '%', '@');

    $asciiArt = '';
    for ($y = 0; $y < $smallHeight; $y++) {
        for ($x = 0; $x < $smallWidth; $x++) {
            $gray = (imagecolorat($resizedImage, $x, $y) >> 16) & 0xFF; // Get the gray value of the pixel
            $charIndex = (int)(($gray / 255) * (count($asciiChars) - 1)); // Map the gray value to an ASCII character
            $asciiArt .= $asciiChars[$charIndex];
        }
        $asciiArt .= PHP_EOL;
    }

    imagedestroy($image);
    imagedestroy($resizedImage);

    return $asciiArt;
}
?>