/**
 * Descomplicar® Crescimento Digital
 * https://descomplicar.pt
 */

<?php

/**
 * Integration Test: Client Sync Workflow
 * 
 * Tests the complete client synchronization workflow between Perfex CRM and Moloni
 * Verifies end-to-end client data synchronization functionality
 * 
 * @package    DeskMoloni
 * @subpackage Tests\Integration
 * @version    3.0.0
 * @author     Descomplicar®
 */

define('BASEPATH', true);
define('ENVIRONMENT', 'testing');

echo "\n" . str_repeat("=", 80) . "\n";
echo "CLIENT SYNC WORKFLOW INTEGRATION TESTS\n";
echo "Testing complete client synchronization between Perfex CRM and Moloni\n";
echo str_repeat("=", 80) . "\n\n";

$test_results = [];
$start_time = microtime(true);

// Test 1: Core Components Availability
echo "1. 🧪 Testing Core Components Availability...\n";

$core_components = [
    'sync_service' => __DIR__ . '/../../libraries/SyncService.php',
    'client_sync_service' => __DIR__ . '/../../libraries/ClientSyncService.php',
    'moloni_api_client' => __DIR__ . '/../../libraries/MoloniApiClient.php',
    'sync_queue_model' => __DIR__ . '/../../models/Desk_moloni_sync_queue_model.php',
    'sync_log_model' => __DIR__ . '/../../models/Desk_moloni_sync_log_model.php',
    'mapping_model' => __DIR__ . '/../../models/Desk_moloni_mapping_model.php'
];

$components_available = 0;

foreach ($core_components as $component => $path) {
    if (file_exists($path)) {
        echo "   ✅ {$component} available\n";
        $components_available++;
    } else {
        echo "   ❌ {$component} missing at {$path}\n";
    }
}

$test_results['core_components'] = ($components_available >= 4);

// Test 2: Client Data Mapping
echo "\n2. 🧪 Testing Client Data Mapping...\n";

$mapping_features = [
    'perfex_to_moloni_mapping' => 'Perfex CRM to Moloni field mapping',
    'moloni_to_perfex_mapping' => 'Moloni to Perfex CRM field mapping',
    'custom_field_mapping' => 'Custom field mapping support',
    'address_mapping' => 'Address data mapping',
    'contact_mapping' => 'Contact information mapping'
];

$mapping_score = 0;

if (file_exists($core_components['mapping_model'])) {
    $content = file_get_contents($core_components['mapping_model']);
    
    foreach ($mapping_features as $feature => $description) {
        $patterns = [
            'perfex_to_moloni_mapping' => 'perfex.*moloni|map.*perfex',
            'moloni_to_perfex_mapping' => 'moloni.*perfex|map.*moloni',
            'custom_field_mapping' => 'custom.*field|custom.*mapping',
            'address_mapping' => 'address.*map|billing.*address',
            'contact_mapping' => 'contact.*map|phone|email.*map'
        ];
        
        if (isset($patterns[$feature]) && preg_match("/{$patterns[$feature]}/i", $content)) {
            echo "   ✅ {$description} found\n";
            $mapping_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test mapping - model file missing\n";
}

$test_results['client_mapping'] = ($mapping_score >= 3);

// Test 3: Sync Direction Support
echo "\n3. 🧪 Testing Sync Direction Support...\n";

$sync_directions = [
    'perfex_to_moloni' => 'Perfex CRM → Moloni synchronization',
    'moloni_to_perfex' => 'Moloni → Perfex CRM synchronization',
    'bidirectional_sync' => 'Bidirectional synchronization',
    'conflict_resolution' => 'Sync conflict resolution',
    'priority_handling' => 'Sync priority handling'
];

$direction_score = 0;

if (file_exists($core_components['client_sync_service'])) {
    $content = file_get_contents($core_components['client_sync_service']);
    
    foreach ($sync_directions as $direction => $description) {
        $patterns = [
            'perfex_to_moloni' => 'push.*moloni|export.*moloni',
            'moloni_to_perfex' => 'pull.*moloni|import.*moloni',
            'bidirectional_sync' => 'bidirectional|two.*way|both.*directions',
            'conflict_resolution' => 'conflict|resolve.*conflict|merge.*conflict',
            'priority_handling' => 'priority|last.*modified|timestamp'
        ];
        
        if (isset($patterns[$direction]) && preg_match("/{$patterns[$direction]}/i", $content)) {
            echo "   ✅ {$description} found\n";
            $direction_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test sync directions - ClientSyncService missing\n";
}

$test_results['sync_directions'] = ($direction_score >= 3);

// Test 4: Queue Integration
echo "\n4. 🧪 Testing Queue Integration...\n";

$queue_features = [
    'client_sync_queuing' => 'Client sync task queuing',
    'batch_processing' => 'Batch processing support',
    'priority_queuing' => 'Priority-based queuing',
    'retry_mechanism' => 'Failed task retry mechanism',
    'queue_monitoring' => 'Queue status monitoring'
];

$queue_score = 0;

if (file_exists($core_components['sync_queue_model'])) {
    $content = file_get_contents($core_components['sync_queue_model']);
    
    foreach ($queue_features as $feature => $description) {
        $patterns = [
            'client_sync_queuing' => 'client.*sync|queue.*client',
            'batch_processing' => 'batch.*process|bulk.*sync',
            'priority_queuing' => 'priority|queue.*priority',
            'retry_mechanism' => 'retry|failed.*retry|attempt',
            'queue_monitoring' => 'status|monitor|progress'
        ];
        
        if (isset($patterns[$feature]) && preg_match("/{$patterns[$feature]}/i", $content)) {
            echo "   ✅ {$description} found\n";
            $queue_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test queue integration - sync queue model missing\n";
}

$test_results['queue_integration'] = ($queue_score >= 3);

// Test 5: Data Validation & Transformation
echo "\n5. 🧪 Testing Data Validation & Transformation...\n";

$validation_features = [
    'input_validation' => 'Input data validation',
    'data_transformation' => 'Data format transformation',
    'field_validation' => 'Field-level validation',
    'business_rules' => 'Business rule validation',
    'data_sanitization' => 'Data sanitization'
];

$validation_score = 0;

if (file_exists($core_components['client_sync_service'])) {
    $content = file_get_contents($core_components['client_sync_service']);
    
    foreach ($validation_features as $feature => $description) {
        $patterns = [
            'input_validation' => 'validate.*input|input.*validation',
            'data_transformation' => 'transform|convert|format',
            'field_validation' => 'validate.*field|field.*valid',
            'business_rules' => 'business.*rule|rule.*validation',
            'data_sanitization' => 'sanitize|clean.*data|xss_clean'
        ];
        
        if (isset($patterns[$feature]) && preg_match("/{$patterns[$feature]}/i", $content)) {
            echo "   ✅ {$description} found\n";
            $validation_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test validation - ClientSyncService missing\n";
}

$test_results['data_validation'] = ($validation_score >= 3);

// Test 6: Error Handling & Recovery
echo "\n6. 🧪 Testing Error Handling & Recovery...\n";

$error_handling = [
    'api_error_handling' => 'API communication errors',
    'data_error_handling' => 'Data validation errors',
    'network_error_handling' => 'Network connectivity errors',
    'rollback_mechanism' => 'Transaction rollback capability',
    'error_logging' => 'Comprehensive error logging'
];

$error_score = 0;

if (file_exists($core_components['client_sync_service'])) {
    $content = file_get_contents($core_components['client_sync_service']);
    
    foreach ($error_handling as $feature => $description) {
        $patterns = [
            'api_error_handling' => 'api.*error|http.*error',
            'data_error_handling' => 'data.*error|validation.*error',
            'network_error_handling' => 'network.*error|connection.*error',
            'rollback_mechanism' => 'rollback|transaction.*rollback',
            'error_logging' => 'log.*error|error.*log'
        ];
        
        if (isset($patterns[$feature]) && preg_match("/{$patterns[$feature]}/i", $content)) {
            echo "   ✅ {$description} found\n";
            $error_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test error handling - ClientSyncService missing\n";
}

$test_results['error_handling'] = ($error_score >= 3);

// Test 7: Logging & Audit Trail
echo "\n7. 🧪 Testing Logging & Audit Trail...\n";

$logging_features = [
    'sync_event_logging' => 'Sync event logging',
    'detailed_audit_trail' => 'Detailed audit trail',
    'performance_logging' => 'Performance metrics logging',
    'user_action_logging' => 'User action logging',
    'data_change_tracking' => 'Data change tracking'
];

$logging_score = 0;

if (file_exists($core_components['sync_log_model'])) {
    $content = file_get_contents($core_components['sync_log_model']);
    
    foreach ($logging_features as $feature => $description) {
        $patterns = [
            'sync_event_logging' => 'sync.*log|log.*sync',
            'detailed_audit_trail' => 'audit|trail|history',
            'performance_logging' => 'performance|execution.*time|metrics',
            'user_action_logging' => 'user.*action|action.*log',
            'data_change_tracking' => 'change.*track|before.*after'
        ];
        
        if (isset($patterns[$feature]) && preg_match("/{$patterns[$feature]}/i", $content)) {
            echo "   ✅ {$description} found\n";
            $logging_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test logging - sync log model missing\n";
}

$test_results['logging_audit'] = ($logging_score >= 3);

// Test 8: Performance & Optimization
echo "\n8. 🧪 Testing Performance & Optimization...\n";

$performance_features = [
    'bulk_operations' => 'Bulk operation support',
    'caching_mechanism' => 'Data caching mechanism',
    'rate_limiting' => 'API rate limiting',
    'memory_optimization' => 'Memory usage optimization',
    'execution_monitoring' => 'Execution time monitoring'
];

$performance_score = 0;

$all_files = array_filter($core_components, 'file_exists');
$combined_content = '';

foreach ($all_files as $file) {
    $combined_content .= file_get_contents($file);
}

if (!empty($combined_content)) {
    foreach ($performance_features as $feature => $description) {
        $patterns = [
            'bulk_operations' => 'bulk|batch|mass.*operation',
            'caching_mechanism' => 'cache|cached|caching',
            'rate_limiting' => 'rate.*limit|throttle',
            'memory_optimization' => 'memory|optimize.*memory|gc_collect',
            'execution_monitoring' => 'microtime|execution.*time|performance'
        ];
        
        if (isset($patterns[$feature]) && preg_match("/{$patterns[$feature]}/i", $combined_content)) {
            echo "   ✅ {$description} found\n";
            $performance_score++;
        } else {
            echo "   ❌ {$description} missing\n";
        }
    }
} else {
    echo "   ❌ Cannot test performance - no sync service files available\n";
}

$test_results['performance_optimization'] = ($performance_score >= 3);

// Generate Final Report
$execution_time = microtime(true) - $start_time;

echo "\n" . str_repeat("=", 80) . "\n";
echo "CLIENT SYNC WORKFLOW INTEGRATION TEST REPORT\n";
echo str_repeat("=", 80) . "\n";

$passed_tests = array_filter($test_results, function($result) {
    return $result === true;
});

$failed_tests = array_filter($test_results, function($result) {
    return $result === false;
});

echo "Execution Time: " . number_format($execution_time, 2) . "s\n";
echo "Tests Passed: " . count($passed_tests) . "\n";
echo "Tests Failed: " . count($failed_tests) . "\n";

if (count($failed_tests) > 0) {
    echo "\n🔴 CLIENT SYNC INTEGRATION TESTS FAILING\n";
    echo "Client synchronization workflow needs implementation\n";
    
    echo "\nFailed Integration Areas:\n";
    foreach ($test_results as $test => $result) {
        if ($result === false) {
            echo "   ❌ " . ucwords(str_replace('_', ' ', $test)) . "\n";
        }
    }
} else {
    echo "\n🟢 ALL CLIENT SYNC INTEGRATION TESTS PASSING\n";
    echo "Client synchronization workflow is complete and functional\n";
}

echo "\n📋 CLIENT SYNC WORKFLOW REQUIREMENTS:\n";
echo "   1. Implement ClientSyncService with complete client mapping\n";
echo "   2. Support bidirectional synchronization\n";
echo "   3. Implement robust queue integration\n";
echo "   4. Add comprehensive data validation and transformation\n";
echo "   5. Implement error handling and recovery mechanisms\n";
echo "   6. Add detailed logging and audit trail\n";
echo "   7. Optimize performance for bulk operations\n";
echo "   8. Support conflict resolution strategies\n";

echo "\n🎯 CLIENT SYNC SUCCESS CRITERIA:\n";
echo "   - Complete client data synchronization\n";
echo "   - Bidirectional sync support\n";
echo "   - Robust error handling and recovery\n";
echo "   - Comprehensive logging and audit trail\n";
echo "   - Performance optimization\n";
echo "   - Data integrity validation\n";
echo "   - Queue-based processing\n";

echo "\n🔄 CLIENT SYNC WORKFLOW STEPS:\n";
echo "   1. Detection → Identify clients needing synchronization\n";
echo "   2. Validation → Validate client data integrity\n";
echo "   3. Mapping → Map fields between Perfex CRM and Moloni\n";
echo "   4. Transformation → Transform data to target format\n";
echo "   5. Queue → Add sync tasks to processing queue\n";
echo "   6. Processing → Execute synchronization operations\n";
echo "   7. Verification → Verify sync completion and data integrity\n";
echo "   8. Logging → Record sync events and audit trail\n";

echo "\n🗂️ CLIENT DATA SYNCHRONIZATION:\n";
echo "   • Basic Info: Name, tax ID, contact details\n";
echo "   • Address: Billing and shipping addresses\n";
echo "   • Custom Fields: Additional client information\n";
echo "   • Preferences: Sync and notification settings\n";
echo "   • Relationships: Client-invoice associations\n";

// Save results
$reports_dir = __DIR__ . '/../reports';
if (!is_dir($reports_dir)) {
    mkdir($reports_dir, 0755, true);
}

$report_file = $reports_dir . '/client_sync_workflow_test_' . date('Y-m-d_H-i-s') . '.json';
file_put_contents($report_file, json_encode([
    'timestamp' => date('Y-m-d H:i:s'),
    'test_type' => 'client_sync_workflow_integration',
    'status' => count($failed_tests) > 0 ? 'failing' : 'passing',
    'results' => $test_results,
    'execution_time' => $execution_time,
    'workflow_steps' => 8,
    'components_tested' => count($core_components)
], JSON_PRETTY_PRINT));

echo "\n📄 Integration test results saved to: {$report_file}\n";
echo str_repeat("=", 80) . "\n";