<?php
// Test script for image downloading capabilities

// Display errors
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

// Create necessary directories
$directories = [
    'tmp',
    'images',
    'images/products',
    'log'
];

echo "Setting up test directories...\n";
foreach ($directories as $dir) {
    if (!file_exists($dir)) {
        if (mkdir($dir, 0777, true)) {
            echo "Created directory: $dir\n";
        } else {
            echo "Failed to create directory: $dir\n";
        }
    } else {
        echo "Directory exists: $dir\n";
    }
    chmod($dir, 0777);
}

// Define test image URL
$testImageUrl = 'https://dropship.ecomzone.eu/storage/products/2023/10/05/2442_911_01_Xmas_bag_2_6BFQAO9yv8.jpg';

echo "\nTesting image download...\n";
echo "Image URL: $testImageUrl\n\n";

// Method 1: Using file_get_contents
echo "Method 1: Using file_get_contents\n";
try {
    $tempFile = 'tmp/test_image_1.jpg';
    $imageData = @file_get_contents($testImageUrl);
    
    if ($imageData === false) {
        echo "FAILED: Could not download image using file_get_contents\n";
        echo "Error: " . error_get_last()['message'] . "\n";
    } else {
        file_put_contents($tempFile, $imageData);
        $fileSize = filesize($tempFile);
        echo "SUCCESS: Downloaded " . number_format($fileSize) . " bytes to $tempFile\n";
        
        // Check if it's a valid image
        $imageInfo = getimagesize($tempFile);
        if ($imageInfo) {
            echo "Image dimensions: " . $imageInfo[0] . 'x' . $imageInfo[1] . ", type: " . $imageInfo['mime'] . "\n";
        } else {
            echo "WARNING: The downloaded file is not a valid image\n";
        }
    }
} catch (Exception $e) {
    echo "FAILED: Exception occurred: " . $e->getMessage() . "\n";
}

echo "\n";

// Method 2: Using cURL with detailed debugging
echo "Using cURL with detailed debugging\n";
try {
    $tempFile = 'tmp/test_image_debug.jpg';
    
    if (!function_exists('curl_init')) {
        echo "FAILED: cURL is not installed\n";
    } else {
        $ch = curl_init();
        curl_setopt_array($ch, [
            CURLOPT_URL => $testImageUrl,
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_FOLLOWLOCATION => true,
            CURLOPT_MAXREDIRS => 5,
            CURLOPT_TIMEOUT => 30,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_SSL_VERIFYHOST => 0,
            CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
            CURLOPT_HEADER => 1, // Include headers in the response
            CURLOPT_VERBOSE => true,
        ]);
        
        // Create a stream for the verbose output
        $verbose = fopen('tmp/curl_verbose.log', 'w+');
        curl_setopt($ch, CURLOPT_STDERR, $verbose);
        
        $response = curl_exec($ch);
        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
        $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
        $headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
        $error = curl_error($ch);
        
        // Extract headers and body
        $headers = substr($response, 0, $headerSize);
        $imageData = substr($response, $headerSize);
        
        curl_close($ch);
        
        // Close and read the verbose log
        rewind($verbose);
        $verboseLog = stream_get_contents($verbose);
        fclose($verbose);
        
        echo "HTTP Status Code: $httpCode\n";
        echo "Content Type: $contentType\n";
        echo "Headers:\n$headers\n";
        
        if ($httpCode !== 200 || empty($imageData)) {
            echo "FAILED: HTTP Error $httpCode - $error\n";
        } else {
            file_put_contents($tempFile, $imageData);
            $fileSize = filesize($tempFile);
            echo "Downloaded " . number_format($fileSize) . " bytes to $tempFile\n";
            
            // Check if it's a valid image
            $imageInfo = @getimagesize($tempFile);
            if ($imageInfo) {
                echo "SUCCESS: Valid image detected\n";
                echo "Image dimensions: " . $imageInfo[0] . 'x' . $imageInfo[1] . ", type: " . $imageInfo['mime'] . "\n";
            } else {
                echo "WARNING: The downloaded file is not a valid image\n";
                
                // Analyze the first 100 bytes of the content
                echo "First 100 bytes of the content:\n";
                $contentPreview = bin2hex(substr($imageData, 0, 50));
                echo chunk_split($contentPreview, 2, ' ') . "\n";
                
                // Show first 100 characters if it looks like text
                echo "Content as text (first 100 chars):\n";
                $textPreview = substr($imageData, 0, 100);
                echo preg_replace('/[^\x20-\x7E]/', '.', $textPreview) . "\n";
            }
            
            echo "\nCURL Verbose Log:\n$verboseLog\n";
        }
    }
} catch (Exception $e) {
    echo "FAILED: Exception occurred: " . $e->getMessage() . "\n";
}

// Try a publicly accessible image as a reference test
echo "\n\nTesting with a public reference image...\n";
$publicImageUrl = 'https://www.php.net/images/logos/new-php-logo.svg';
echo "Public Image URL: $publicImageUrl\n\n";

try {
    $tempFile = 'tmp/test_reference_image.jpg';
    
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $publicImageUrl,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_FOLLOWLOCATION => true,
        CURLOPT_MAXREDIRS => 5,
        CURLOPT_TIMEOUT => 30,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_SSL_VERIFYHOST => 0,
        CURLOPT_USERAGENT => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
    ]);
    
    $imageData = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
    
    curl_close($ch);
    
    echo "HTTP Status Code: $httpCode\n";
    echo "Content Type: $contentType\n";
    
    if ($httpCode !== 200 || empty($imageData)) {
        echo "FAILED: Could not download reference image\n";
    } else {
        file_put_contents($tempFile, $imageData);
        $fileSize = filesize($tempFile);
        echo "Downloaded " . number_format($fileSize) . " bytes to $tempFile\n";
        
        // Check if it's a valid image
        $imageInfo = @getimagesize($tempFile);
        if ($imageInfo) {
            echo "SUCCESS: Valid image detected\n";
            echo "Image dimensions: " . $imageInfo[0] . 'x' . $imageInfo[1] . ", type: " . $imageInfo['mime'] . "\n";
        } else {
            echo "WARNING: The downloaded file is not a valid image\n";
        }
    }
} catch (Exception $e) {
    echo "FAILED: Exception occurred: " . $e->getMessage() . "\n";
}

echo "\nTest completed\n";