<?php

declare(strict_types=1);

require_once __DIR__ . '/../../vendor/autoload.php';

use App\Framework\Cache\CacheItem;
use App\Framework\Cache\CacheKey;
use App\Framework\Cache\SmartCache;
use App\Framework\Core\ValueObjects\Duration;

echo "=== Testing Default Strategies Auto-Activation ===\n\n";

// Create simple mock cache
$mockCache = new class () implements \App\Framework\Cache\Cache {
    private array $storage = [];

    public function get(\App\Framework\Cache\CacheIdentifier ...$identifiers): \App\Framework\Cache\CacheResult
    {
        $items = [];
        foreach ($identifiers as $identifier) {
            $key = $identifier->toString();
            if (isset($this->storage[$key])) {
                $items[] = \App\Framework\Cache\CacheItem::hit($identifier, $this->storage[$key]['value']);
            } else {
                $items[] = \App\Framework\Cache\CacheItem::miss($identifier);
            }
        }

        return \App\Framework\Cache\CacheResult::fromItems(...$items);
    }

    public function set(\App\Framework\Cache\CacheItem ...$items): bool
    {
        foreach ($items as $item) {
            $this->storage[$item->key->toString()] = [
                'value' => $item->value,
                'ttl' => $item->ttl,
            ];
        }

        return true;
    }

    public function has(\App\Framework\Cache\CacheIdentifier ...$identifiers): array
    {
        $results = [];
        foreach ($identifiers as $identifier) {
            $results[$identifier->toString()] = isset($this->storage[$identifier->toString()]);
        }

        return $results;
    }

    public function forget(\App\Framework\Cache\CacheIdentifier ...$identifiers): bool
    {
        foreach ($identifiers as $identifier) {
            unset($this->storage[$identifier->toString()]);
        }

        return true;
    }

    public function clear(): bool
    {
        $this->storage = [];

        return true;
    }

    public function remember(\App\Framework\Cache\CacheKey $key, callable $callback, ?\App\Framework\Core\ValueObjects\Duration $ttl = null): \App\Framework\Cache\CacheItem
    {
        $result = $this->get($key);
        $item = $result->getItem($key);
        if ($item->isHit) {
            return $item;
        }

        $value = $callback();
        $this->set(\App\Framework\Cache\CacheItem::forSet($key, $value, $ttl));

        return \App\Framework\Cache\CacheItem::hit($key, $value);
    }
};

echo "1. Testing Default Constructor Behavior:\n\n";

try {
    // Create SmartCache with default constructor (should auto-enable strategies)
    $smartCache = new SmartCache($mockCache);

    echo "   ✅ SmartCache created with default constructor\n";

    // Check if strategies are enabled
    $stats = $smartCache->getStats();
    $strategySupport = $stats['strategy_support'] ?? false;
    $strategyManager = $smartCache->getStrategyManager();

    echo "   📊 Strategy support: " . ($strategySupport ? 'YES' : 'NO') . "\n";

    if ($strategyManager) {
        $managerStats = $strategyManager->getStats();
        echo "   📊 Total strategies: {$managerStats['strategy_manager']['total_strategies']}\n";
        echo "   📊 Enabled strategies: {$managerStats['strategy_manager']['enabled_strategies']}\n";
        echo "   📊 Strategy names: " . implode(', ', $managerStats['strategy_manager']['strategy_names']) . "\n";
    }

    echo "\n";

} catch (\Throwable $e) {
    echo "   ❌ Error testing default constructor: {$e->getMessage()}\n\n";
}

echo "2. Testing Strategy Auto-Activation with Cache Operations:\n\n";

try {
    $smartCache = new SmartCache($mockCache);
    $testKey = CacheKey::fromString('auto_strategy_test');

    echo "   🔧 Testing cache operations with auto-enabled strategies:\n";

    // Test cache set with TTL modification by strategies
    $originalTtl = Duration::fromMinutes(30);
    $smartCache->set(CacheItem::forSet($testKey, "test_value", $originalTtl));

    echo "   ✅ Cache SET operation completed\n";

    // Test cache get with strategy access tracking
    $result = $smartCache->get($testKey);
    $item = $result->getItem($testKey);

    echo "   ✅ Cache GET operation completed: " . ($item->isHit ? 'HIT' : 'MISS') . "\n";

    // Test remember operation with strategy integration
    $rememberResult = $smartCache->remember(
        CacheKey::fromString('remember_test'),
        fn () => "remembered_value",
        Duration::fromHours(1)
    );

    echo "   ✅ Cache REMEMBER operation completed: " . ($rememberResult->isHit ? 'HIT' : 'MISS') . "\n";

    // Check if strategies have recorded activity
    $adaptiveStats = $smartCache->getStrategyStats('adaptive_ttl');
    if ($adaptiveStats) {
        echo "   📊 Adaptive TTL tracked keys: {$adaptiveStats['total_tracked_keys']}\n";
    }

    $heatMapStats = $smartCache->getStrategyStats('heat_map');
    if ($heatMapStats) {
        echo "   📊 Heat Map tracked keys: {$heatMapStats['total_tracked_keys']}\n";
    }

    echo "\n";

} catch (\Throwable $e) {
    echo "   ❌ Error testing strategy auto-activation: {$e->getMessage()}\n\n";
}

echo "3. Testing Explicit Strategy Control:\n\n";

try {
    // Test withoutStrategies method
    echo "   🚫 Testing explicit strategy disabling:\n";
    $noStrategyCache = SmartCache::withoutStrategies($mockCache);

    $noStrategyStats = $noStrategyCache->getStats();
    $hasStrategies = $noStrategyStats['strategy_support'] ?? false;

    echo "   ✅ Cache without strategies created\n";
    echo "   📊 Strategy support: " . ($hasStrategies ? 'YES' : 'NO') . "\n";

    // Test withDefaultStrategies method (explicit activation)
    echo "\n   ✨ Testing explicit strategy enabling:\n";
    $explicitStrategyCache = SmartCache::withDefaultStrategies($mockCache);

    $explicitStats = $explicitStrategyCache->getStats();
    $explicitHasStrategies = $explicitStats['strategy_support'] ?? false;

    echo "   ✅ Cache with explicit strategies created\n";
    echo "   📊 Strategy support: " . ($explicitHasStrategies ? 'YES' : 'NO') . "\n";

    echo "\n";

} catch (\Throwable $e) {
    echo "   ❌ Error testing explicit strategy control: {$e->getMessage()}\n\n";
}

echo "4. Testing Performance vs Intelligence Trade-off:\n\n";

try {
    echo "   ⚡ Comparing cache configurations:\n";

    // Without strategies (maximum performance)
    $performanceCache = SmartCache::withoutStrategies($mockCache);

    // With default strategies (balanced intelligence)
    $intelligentCache = new SmartCache($mockCache); // Uses default strategies

    // With performance strategies (performance-focused intelligence)
    $perfOptimizedCache = SmartCache::withPerformanceStrategies($mockCache);

    echo "   ✅ Performance Cache (no strategies): Strategy support = " .
         ($performanceCache->getStats()['strategy_support'] ? 'YES' : 'NO') . "\n";

    echo "   ✅ Intelligent Cache (default strategies): Strategy support = " .
         ($intelligentCache->getStats()['strategy_support'] ? 'YES' : 'NO') . "\n";

    echo "   ✅ Performance-Optimized Cache (perf strategies): Strategy support = " .
         ($perfOptimizedCache->getStats()['strategy_support'] ? 'YES' : 'NO') . "\n";

    echo "\n";

} catch (\Throwable $e) {
    echo "   ❌ Error testing performance configurations: {$e->getMessage()}\n\n";
}

echo "=== Default Strategies Auto-Activation Test Completed ===\n";
echo "\n🎯 Summary:\n";
echo "   • ✅ SmartCache constructor now auto-enables Default Strategies\n";
echo "   • ✅ Strategy support is active by default for intelligence\n";
echo "   • ✅ SmartCache::withoutStrategies() available for maximum performance\n";
echo "   • ✅ Backward compatibility maintained with explicit methods\n";
echo "   • ✅ Convention over Configuration philosophy implemented\n";
echo "\n💡 Usage:\n";
echo "   new SmartCache(\$cache)                    → WITH strategies (default)\n";
echo "   SmartCache::withDefaultStrategies(\$cache) → WITH strategies (explicit)\n";
echo "   SmartCache::withoutStrategies(\$cache)     → WITHOUT strategies (performance)\n";