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

<?php

/**
 * Contract Test: Client Portal API Endpoints
 * 
 * Tests the Client Portal API endpoints contract
 * These tests MUST FAIL initially (TDD) before implementing the Client Portal endpoints
 * 
 * @package    DeskMoloni
 * @subpackage Tests\Contract
 * @version    3.0.0
 * @author     Descomplicar®
 */

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

echo "\n" . str_repeat("=", 80) . "\n";
echo "CLIENT PORTAL API ENDPOINTS CONTRACT TESTS\n";
echo "TDD: These tests MUST FAIL before implementation\n";
echo str_repeat("=", 80) . "\n\n";

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

// Test 1: Client Portal Controller File Existence
echo "1. 🧪 Testing Client Portal Controller File Existence...\n";
$client_portal_file = __DIR__ . '/../../controllers/ClientPortal.php';

if (file_exists($client_portal_file)) {
    echo "   ✅ ClientPortal.php controller exists\n";
    $test_results['controller_exists'] = true;
} else {
    echo "   ❌ EXPECTED FAILURE: ClientPortal.php controller does not exist\n";
    echo "   📝 TODO: Create controllers/ClientPortal.php\n";
    $test_results['controller_exists'] = false;
}

// Test 2: Required Client Portal API Endpoints
echo "\n2. 🧪 Testing Required Client Portal API Endpoints...\n";

$required_endpoints = [
    // Authentication & Session
    'client_login' => 'Client authentication endpoint',
    'client_logout' => 'Client logout endpoint',
    'client_session_check' => 'Session validation endpoint',
    'client_password_reset' => 'Password reset endpoint',
    
    // Dashboard & Overview
    'dashboard' => 'Client dashboard data',
    'sync_status' => 'Current sync status for client',
    'recent_activity' => 'Recent sync activity log',
    'error_summary' => 'Summary of sync errors',
    
    // Invoice Management
    'get_invoices' => 'Get client invoices list',
    'get_invoice_details' => 'Get specific invoice details',
    'download_invoice' => 'Download invoice PDF',
    'sync_invoice' => 'Manual invoice sync trigger',
    
    // Client Data Management
    'get_client_data' => 'Get client profile data',
    'update_client_data' => 'Update client information',
    'get_sync_preferences' => 'Get sync preferences',
    'update_sync_preferences' => 'Update sync preferences',
    
    // Reports & Analytics
    'get_sync_report' => 'Get synchronization report',
    'get_revenue_report' => 'Get revenue analytics',
    'export_data' => 'Export client data',
    'get_invoice_stats' => 'Get invoice statistics',
    
    // Support & Help
    'submit_support_ticket' => 'Submit support request',
    'get_support_tickets' => 'Get client support tickets',
    'get_help_resources' => 'Get help documentation',
    'contact_support' => 'Contact support form'
];

if (file_exists($client_portal_file)) {
    $content = file_get_contents($client_portal_file);
    $endpoints_found = 0;
    
    foreach ($required_endpoints as $endpoint => $description) {
        // Check for method definition
        if (strpos($content, "function {$endpoint}") !== false || 
            strpos($content, "public function {$endpoint}") !== false) {
            echo "   ✅ Endpoint {$endpoint}() found - {$description}\n";
            $endpoints_found++;
        } else {
            echo "   ❌ Endpoint {$endpoint}() missing - {$description}\n";
        }
    }
    
    $test_results['endpoints_complete'] = ($endpoints_found === count($required_endpoints));
    echo "   📊 Endpoints found: {$endpoints_found}/" . count($required_endpoints) . "\n";
    
} else {
    echo "   ❌ Cannot test endpoints - controller file does not exist\n";
    $test_results['endpoints_complete'] = false;
}

// Test 3: Client Authentication System
echo "\n3. 🧪 Testing Client Authentication System...\n";

$auth_features = [
    'Session management' => ['session_start', 'session_destroy', 'session_check'],
    'Client validation' => ['client_id', 'validate_client', 'check_permissions'],
    'Security features' => ['csrf_token', 'xss_clean', 'rate_limit'],
    'Password handling' => ['password_hash', 'password_verify', 'reset_token']
];

if (file_exists($client_portal_file)) {
    $content = file_get_contents($client_portal_file);
    $auth_score = 0;
    
    foreach ($auth_features as $feature => $keywords) {
        $feature_found = false;
        foreach ($keywords as $keyword) {
            if (stripos($content, $keyword) !== false) {
                $feature_found = true;
                break;
            }
        }
        
        if ($feature_found) {
            echo "   ✅ {$feature} implementation found\n";
            $auth_score++;
        } else {
            echo "   ❌ {$feature} implementation missing\n";
        }
    }
    
    $test_results['authentication_system'] = ($auth_score >= 3);
    echo "   📊 Auth features: {$auth_score}/" . count($auth_features) . "\n";
    
} else {
    echo "   ❌ Cannot test authentication - controller file does not exist\n";
    $test_results['authentication_system'] = false;
}

// Test 4: Response Format & Standards
echo "\n4. 🧪 Testing Response Format & Standards...\n";

$response_standards = [
    'JSON responses' => 'set_content_type.*application/json',
    'HTTP status codes' => 'set_status_header|http_response_code',
    'Success format' => 'success.*true|status.*success',
    'Error format' => 'error.*message|status.*error',
    'Data structure' => 'data.*array|payload.*data',
    'Pagination support' => 'page|limit|offset|total'
];

if (file_exists($client_portal_file)) {
    $content = file_get_contents($client_portal_file);
    $standards_found = 0;
    
    foreach ($response_standards as $standard => $pattern) {
        if (preg_match("/{$pattern}/i", $content)) {
            echo "   ✅ {$standard} implementation found\n";
            $standards_found++;
        } else {
            echo "   ❌ {$standard} implementation missing\n";
        }
    }
    
    $test_results['response_standards'] = ($standards_found >= 4);
    echo "   📊 Standards found: {$standards_found}/" . count($response_standards) . "\n";
    
} else {
    echo "   ❌ Cannot test response standards - controller file does not exist\n";
    $test_results['response_standards'] = false;
}

// Test 5: Data Access & Permissions
echo "\n5. 🧪 Testing Data Access & Permissions...\n";

$permission_features = [
    'Client data isolation' => 'client_id.*WHERE|WHERE.*client_id',
    'Permission checks' => 'check_permission|has_access|can_access',
    'Data filtering' => 'filter_client_data|client_only',
    'Access logging' => 'log_access|audit_trail'
];

if (file_exists($client_portal_file)) {
    $content = file_get_contents($client_portal_file);
    $permission_score = 0;
    
    foreach ($permission_features as $feature => $pattern) {
        if (preg_match("/{$pattern}/i", $content)) {
            echo "   ✅ {$feature} found\n";
            $permission_score++;
        } else {
            echo "   ❌ {$feature} missing\n";
        }
    }
    
    $test_results['data_permissions'] = ($permission_score >= 2);
    echo "   📊 Permission features: {$permission_score}/" . count($permission_features) . "\n";
    
} else {
    echo "   ❌ Cannot test permissions - controller file does not exist\n";
    $test_results['data_permissions'] = false;
}

// Test 6: Frontend Integration
echo "\n6. 🧪 Testing Frontend Integration...\n";

$frontend_files = [
    'client_portal_view' => __DIR__ . '/../../views/client_portal/dashboard.php',
    'client_assets' => __DIR__ . '/../../assets/client_portal',
    'client_config' => __DIR__ . '/../../config/client_portal.php'
];

$frontend_score = 0;
foreach ($frontend_files as $component => $path) {
    if (file_exists($path) || is_dir($path)) {
        echo "   ✅ {$component} exists\n";
        $frontend_score++;
    } else {
        echo "   ❌ {$component} missing at {$path}\n";
    }
}

$test_results['frontend_integration'] = ($frontend_score >= 2);

// Test 7: Model Integration
echo "\n7. 🧪 Testing Model Integration...\n";

$required_models = [
    'client_model' => 'Client data management',
    'invoice_model' => 'Invoice operations',
    'sync_log_model' => 'Activity logging',
    'config_model' => 'Client preferences'
];

if (file_exists($client_portal_file)) {
    $content = file_get_contents($client_portal_file);
    $models_found = 0;
    
    foreach ($required_models as $model => $description) {
        if (strpos($content, $model) !== false) {
            echo "   ✅ {$model} integration found - {$description}\n";
            $models_found++;
        } else {
            echo "   ❌ {$model} integration missing - {$description}\n";
        }
    }
    
    $test_results['model_integration'] = ($models_found >= 3);
    echo "   📊 Models integrated: {$models_found}/" . count($required_models) . "\n";
    
} else {
    echo "   ❌ Cannot test model integration - controller file does not exist\n";
    $test_results['model_integration'] = false;
}

// Test 8: Error Handling & Logging
echo "\n8. 🧪 Testing Error Handling & Logging...\n";

$error_handling = [
    'Exception handling' => 'try\\s*{.*}.*catch',
    'Input validation' => 'validate_input|form_validation',
    'Error logging' => 'log_message.*error|error_log',
    'User feedback' => 'flash_message|alert|notification',
    'Graceful degradation' => 'fallback|default_response'
];

if (file_exists($client_portal_file)) {
    $content = file_get_contents($client_portal_file);
    $error_features = 0;
    
    foreach ($error_handling as $feature => $pattern) {
        if (preg_match("/{$pattern}/i", $content)) {
            echo "   ✅ {$feature} found\n";
            $error_features++;
        } else {
            echo "   ❌ {$feature} missing\n";
        }
    }
    
    $test_results['error_handling'] = ($error_features >= 3);
    echo "   📊 Error handling features: {$error_features}/" . count($error_handling) . "\n";
    
} else {
    echo "   ❌ Cannot test error handling - controller file does not exist\n";
    $test_results['error_handling'] = false;
}

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

echo "\n" . str_repeat("=", 80) . "\n";
echo "CLIENT PORTAL API CONTRACT 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) . " (EXPECTED in TDD)\n";

if (count($failed_tests) > 0) {
    echo "\n🔴 TDD STATUS: TESTS FAILING AS EXPECTED\n";
    echo "Next Step: Implement Client Portal controller to make tests pass\n";
    
    echo "\nFailed Test Categories:\n";
    foreach ($test_results as $test => $result) {
        if ($result === false) {
            echo "   ❌ " . ucwords(str_replace('_', ' ', $test)) . "\n";
        }
    }
} else {
    echo "\n🟢 ALL TESTS PASSING\n";
    echo "Client Portal implementation appears to be complete\n";
}

echo "\n📋 IMPLEMENTATION REQUIREMENTS:\n";
echo "   1. Create controllers/ClientPortal.php with all " . count($required_endpoints) . " endpoints\n";
echo "   2. Implement secure client authentication system\n";
echo "   3. Add proper data access controls and permissions\n";
echo "   4. Create consistent JSON response format\n";
echo "   5. Integrate with all required models\n";
echo "   6. Build responsive frontend interface\n";
echo "   7. Add comprehensive error handling and logging\n";
echo "   8. Implement input validation and security measures\n";

echo "\n🎯 SUCCESS CRITERIA:\n";
echo "   - All " . count($required_endpoints) . " API endpoints functional\n";
echo "   - Secure client authentication and session management\n";
echo "   - Proper data isolation and access controls\n";
echo "   - Consistent API response format\n";
echo "   - Responsive and user-friendly interface\n";
echo "   - Comprehensive error handling\n";
echo "   - Full model integration\n";

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

$report_file = $reports_dir . '/client_portal_contract_test_' . date('Y-m-d_H-i-s') . '.json';
file_put_contents($report_file, json_encode([
    'timestamp' => date('Y-m-d H:i:s'),
    'test_type' => 'client_portal_contract',
    'status' => count($failed_tests) > 0 ? 'failing' : 'passing',
    'results' => $test_results,
    'execution_time' => $execution_time,
    'endpoints_required' => count($required_endpoints),
    'tdd_status' => 'Tests failing as expected - ready for implementation'
], JSON_PRETTY_PRINT));

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