<?php
/**
 * Simple Syntax Verification for Database Performance Optimization
 * 
 * This script just verifies the PHP syntax is valid and methods are properly defined
 */

echo "🔍 Database Performance Optimization - Syntax Verification\n";
echo "=========================================================\n\n";

// Check main plugin file syntax
$syntax_check = `php -l cardcrafter.php 2>&1`;
if (strpos($syntax_check, 'No syntax errors') !== false) {
    echo "✅ Main plugin file syntax is valid\n";
} else {
    echo "❌ Syntax errors found:\n{$syntax_check}\n";
    exit(1);
}

// Check if our new methods exist in the file
$plugin_content = file_get_contents('cardcrafter.php');

$required_methods = [
    'generate_wp_query_cache_key',
    'is_debug_mode', 
    'batch_load_featured_images',
    'batch_load_authors_data',
    'get_optimized_excerpt',
    'get_cache_duration',
    'register_cache_invalidation_hooks',
    'invalidate_post_cache',
    'cleanup_expired_caches'
];

echo "📋 Checking for required performance optimization methods:\n";
foreach ($required_methods as $method) {
    if (strpos($plugin_content, "function {$method}") !== false) {
        echo "✅ Method {$method} found\n";
    } else {
        echo "❌ Method {$method} missing\n";
    }
}

// Check for performance optimization keywords in the render_wordpress_data method
echo "\n🚀 Checking for performance optimization features:\n";

$optimizations = [
    'microtime(true)' => 'Performance timing',
    'no_found_rows' => 'Optimized WP_Query parameters',
    'batch_load_featured_images' => 'Batch image loading',
    'batch_load_authors_data' => 'Batch author loading',
    'get_transient' => 'Cache implementation',
    'set_transient' => 'Cache setting',
    'cleanup_expired_caches' => 'Cache cleanup'
];

foreach ($optimizations as $keyword => $description) {
    if (strpos($plugin_content, $keyword) !== false) {
        echo "✅ {$description} implemented\n";
    } else {
        echo "❌ {$description} missing\n";
    }
}

// Verify test file syntax
echo "\n🧪 Checking test file syntax:\n";
$test_syntax = `php -l tests/test-database-performance-optimization.php 2>&1`;
if (strpos($test_syntax, 'No syntax errors') !== false) {
    echo "✅ Test file syntax is valid\n";
} else {
    echo "❌ Test file syntax errors:\n{$test_syntax}\n";
}

echo "\n📊 Performance Optimization Summary:\n";
echo "====================================\n";

// Count improvements made
$improvements_count = 0;
$total_checks = count($required_methods) + count($optimizations);
$found_count = 0;

foreach ($required_methods as $method) {
    if (strpos($plugin_content, "function {$method}") !== false) {
        $found_count++;
    }
}

foreach ($optimizations as $keyword => $description) {
    if (strpos($plugin_content, $keyword) !== false) {
        $found_count++;
    }
}

echo "🎯 Performance Features Implemented: {$found_count}/{$total_checks}\n";

if ($found_count >= $total_checks * 0.9) {
    echo "🎉 Database performance optimization implementation is complete!\n\n";
    echo "✨ Key improvements:\n";
    echo "   • Smart caching system with automatic invalidation\n";
    echo "   • Batch loading to reduce database queries\n";
    echo "   • Optimized WP_Query parameters\n";
    echo "   • Performance monitoring and debugging\n";
    echo "   • Intelligent cache duration based on content type\n";
    exit(0);
} else {
    echo "⚠️  Implementation incomplete. Please review missing components.\n";
    exit(1);
}
?>