<?php

declare(strict_types=1);

it('can display images through complete chain: API -> Admin -> ShowImage', function () {
    // Test 1: API returns image data
    $response = curl_exec_with_fallback('https://localhost/api/images', [
        'headers' => ['User-Agent: Mozilla/5.0'],
        'json' => true
    ]);

    expect($response)->toBeArray();
    expect($response['images'])->toBeArray();
    expect(count($response['images']))->toBeGreaterThan(0);

    $firstImage = $response['images'][0];
    expect($firstImage)->toHaveKey('filename');
    expect($firstImage)->toHaveKey('url');
    expect($firstImage['url'])->toStartWith('/images/');

    $imageUrl = $firstImage['url'];
    $filename = $firstImage['filename'];

    // Test 2: Admin page loads successfully
    $adminResponse = curl_exec_with_fallback('https://localhost/admin/images', [
        'headers' => ['User-Agent: Mozilla/5.0']
    ]);

    expect($adminResponse)->toBeString();
    expect(strlen($adminResponse))->toBeGreaterThan(1000); // Should be substantial HTML

    // Test 3: ShowImage controller responds (even if file missing)
    $imageResponse = curl_exec_with_status('https://localhost' . $imageUrl, [
        'headers' => ['User-Agent: Mozilla/5.0']
    ]);

    // Either success (200) or file not found error (500 with specific message)
    $status = $imageResponse['status'];
    $content = $imageResponse['content'];

    if ($status === 200) {
        // Image exists and is served
        expect($content)->toBeString();
        expect(strlen($content))->toBeGreaterThan(0);
    } else {
        // Image not found - this is expected for some test images
        expect($status)->toBe(500);
        expect($content)->toContain('Image file not found on filesystem');
    }

    // Test 4: Database lookup works (API returned data)
    expect($firstImage['ulid'])->toBeString();
    expect(strlen($firstImage['ulid']))->toBe(26); // ULID length
});

it('identifies the specific issue preventing image display', function () {
    // Get all images from API
    $apiResponse = curl_exec_with_fallback('https://localhost/api/images', [
        'headers' => ['User-Agent: Mozilla/5.0'],
        'json' => true
    ]);

    $images = $apiResponse['images'];
    $workingImages = [];
    $brokenImages = [];

    foreach ($images as $image) {
        $imageUrl = 'https://localhost' . $image['url'];
        $response = curl_exec_with_status($imageUrl, [
            'headers' => ['User-Agent: Mozilla/5.0']
        ]);

        if ($response['status'] === 200) {
            $workingImages[] = $image;
        } else {
            $brokenImages[] = [
                'image' => $image,
                'error' => $response['content']
            ];
        }
    }

    // Report findings
    $totalImages = count($images);
    $workingCount = count($workingImages);
    $brokenCount = count($brokenImages);

    expect($totalImages)->toBeGreaterThan(0);

    if ($brokenCount > 0) {
        // Identify the issue pattern
        $errorPatterns = [];
        foreach ($brokenImages as $broken) {
            if (str_contains($broken['error'], 'Image file not found on filesystem')) {
                $errorPatterns['missing_files'][] = $broken['image']['filename'];
            } elseif (str_contains($broken['error'], 'Image not found:')) {
                $errorPatterns['db_missing'][] = $broken['image']['filename'];
            } else {
                $errorPatterns['other_errors'][] = $broken['error'];
            }
        }

        // Diagnostic output
        echo "\n=== IMAGE DISPLAY DIAGNOSTIC ===\n";
        echo "Total images in API: $totalImages\n";
        echo "Working images: $workingCount\n";
        echo "Broken images: $brokenCount\n";

        if (isset($errorPatterns['missing_files'])) {
            $count = count($errorPatterns['missing_files']);
            echo "\nMissing files on filesystem: $count\n";
            foreach (array_slice($errorPatterns['missing_files'], 0, 3) as $filename) {
                echo "  - $filename\n";
            }
        }

        if (isset($errorPatterns['db_missing'])) {
            $count = count($errorPatterns['db_missing']);
            echo "\nMissing from database: $count\n";
        }

        if (isset($errorPatterns['other_errors'])) {
            echo "\nOther errors:\n";
            foreach (array_slice($errorPatterns['other_errors'], 0, 2) as $error) {
                echo "  - " . substr($error, 0, 100) . "\n";
            }
        }

        echo "\n=== RECOMMENDATION ===\n";
        if (isset($errorPatterns['missing_files']) && count($errorPatterns['missing_files']) > 0) {
            echo "Primary issue: Image files missing from filesystem\n";
            echo "Solution: Clean up database or restore missing files\n";
        } else {
            echo "Issue: " . array_keys($errorPatterns)[0] . "\n";
        }
        echo "================================\n";
    }

    // The test passes - we're just diagnosing
    expect(true)->toBeTrue();
});

// Helper function for making HTTP requests
function curl_exec_with_fallback(string $url, array $options = []): mixed
{
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_TIMEOUT => 10,
        CURLOPT_HTTPHEADER => $options['headers'] ?? ['User-Agent: Mozilla/5.0']
    ]);

    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    if ($httpCode !== 200) {
        throw new Exception("HTTP $httpCode for $url");
    }

    if (isset($options['json']) && $options['json']) {
        return json_decode($response, true);
    }

    return $response;
}

function curl_exec_with_status(string $url, array $options = []): array
{
    $ch = curl_init();
    curl_setopt_array($ch, [
        CURLOPT_URL => $url,
        CURLOPT_RETURNTRANSFER => true,
        CURLOPT_SSL_VERIFYPEER => false,
        CURLOPT_TIMEOUT => 10,
        CURLOPT_HTTPHEADER => $options['headers'] ?? ['User-Agent: Mozilla/5.0']
    ]);

    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    return [
        'status' => $httpCode,
        'content' => $response
    ];
}