"""
DATAMETRIA Automated Testing Suite

Comprehensive automated testing framework for integration testing,
performance validation, and quality assurance across all components.
"""

import pytest
import asyncio
import time
from typing import Dict, List, Any, Optional, Callable
from dataclasses import dataclass
from enum import Enum
import inspect
from concurrent.futures import ThreadPoolExecutor
import json


class TestType(Enum):
    UNIT = "unit"
    INTEGRATION = "integration"
    PERFORMANCE = "performance"
    SECURITY = "security"
    E2E = "e2e"


class TestStatus(Enum):
    PENDING = "pending"
    RUNNING = "running"
    PASSED = "passed"
    FAILED = "failed"
    SKIPPED = "skipped"


@dataclass
class TestResult:
    test_name: str
    test_type: TestType
    status: TestStatus
    duration: float
    error_message: Optional[str] = None
    performance_metrics: Dict[str, float] = None


class TestRunner:
    """Automated test runner for DATAMETRIA components."""
    
    def __init__(self):
        self.test_results: List[TestResult] = []
        self.test_functions: Dict[TestType, List[Callable]] = {
            TestType.UNIT: [],
            TestType.INTEGRATION: [],
            TestType.PERFORMANCE: [],
            TestType.SECURITY: [],
            TestType.E2E: []
        }
    
    def register_test(self, test_type: TestType, test_func: Callable):
        """Register a test function."""
        self.test_functions[test_type].append(test_func)
    
    async def run_all_tests(self) -> Dict[str, Any]:
        """Run all registered tests."""
        results = {
            "summary": {},
            "details": [],
            "performance_metrics": {},
            "coverage": {}
        }
        
        for test_type in TestType:
            type_results = await self._run_tests_by_type(test_type)
            results["details"].extend(type_results)
        
        results["summary"] = self._generate_summary()
        results["performance_metrics"] = self._extract_performance_metrics()
        
        return results
    
    async def _run_tests_by_type(self, test_type: TestType) -> List[TestResult]:
        """Run tests of specific type."""
        results = []
        
        for test_func in self.test_functions[test_type]:
            result = await self._run_single_test(test_func, test_type)
            results.append(result)
            self.test_results.append(result)
        
        return results
    
    async def _run_single_test(self, test_func: Callable, test_type: TestType) -> TestResult:
        """Run a single test function."""
        test_name = test_func.__name__
        start_time = time.time()
        
        try:
            if asyncio.iscoroutinefunction(test_func):
                await test_func()
            else:
                test_func()
            
            duration = time.time() - start_time
            return TestResult(
                test_name=test_name,
                test_type=test_type,
                status=TestStatus.PASSED,
                duration=duration
            )
            
        except Exception as e:
            duration = time.time() - start_time
            return TestResult(
                test_name=test_name,
                test_type=test_type,
                status=TestStatus.FAILED,
                duration=duration,
                error_message=str(e)
            )
    
    def _generate_summary(self) -> Dict[str, Any]:
        """Generate test summary statistics."""
        total_tests = len(self.test_results)
        passed = len([r for r in self.test_results if r.status == TestStatus.PASSED])
        failed = len([r for r in self.test_results if r.status == TestStatus.FAILED])
        
        return {
            "total_tests": total_tests,
            "passed": passed,
            "failed": failed,
            "success_rate": (passed / total_tests * 100) if total_tests > 0 else 0,
            "total_duration": sum(r.duration for r in self.test_results)
        }
    
    def _extract_performance_metrics(self) -> Dict[str, float]:
        """Extract performance metrics from test results."""
        perf_tests = [r for r in self.test_results if r.test_type == TestType.PERFORMANCE]
        
        if not perf_tests:
            return {}
        
        return {
            "avg_duration": sum(r.duration for r in perf_tests) / len(perf_tests),
            "max_duration": max(r.duration for r in perf_tests),
            "min_duration": min(r.duration for r in perf_tests)
        }


class IntegrationTestSuite:
    """Integration tests for component synergies."""
    
    def __init__(self):
        self.test_runner = TestRunner()
        self._register_integration_tests()
    
    def _register_integration_tests(self):
        """Register all integration tests."""
        self.test_runner.register_test(TestType.INTEGRATION, self.test_database_cache_integration)
        self.test_runner.register_test(TestType.INTEGRATION, self.test_api_monitoring_integration)
        self.test_runner.register_test(TestType.INTEGRATION, self.test_security_logging_integration)
        self.test_runner.register_test(TestType.INTEGRATION, self.test_mobile_security_integration)
        self.test_runner.register_test(TestType.INTEGRATION, self.test_design_system_integration)
    
    async def test_database_cache_integration(self):
        """Test database and cache integration."""
        from datametria_common.caching import CacheManager, CacheConfig, CacheBackend
        from datametria_common.caching.cache_mixins import DatabaseCacheMixin
        
        # Mock database class with caching
        class MockDB(DatabaseCacheMixin):
            def __init__(self):
                super().__init__(cache_config=CacheConfig(backend=CacheBackend.MEMORY))
            
            async def get_user(self, user_id: int):
                # Simulate database query
                await asyncio.sleep(0.01)
                return {"id": user_id, "name": f"User {user_id}"}
        
        db = MockDB()
        
        # Test cache miss (first call)
        start_time = time.time()
        user1 = await db.cache_get_or_set("user:1", lambda: db.get_user(1))
        first_call_time = time.time() - start_time
        
        # Test cache hit (second call)
        start_time = time.time()
        user2 = await db.cache_get_or_set("user:1", lambda: db.get_user(1))
        second_call_time = time.time() - start_time
        
        assert user1 == user2
        assert second_call_time < first_call_time  # Cache should be faster
    
    async def test_api_monitoring_integration(self):
        """Test API and monitoring integration."""
        from datametria_common.monitoring import get_default_monitor
        from datametria_common.monitoring.monitoring_mixins import APIMonitoringMixin
        
        class MockAPI(APIMonitoringMixin):
            def __init__(self):
                super().__init__()
            
            async def make_request(self, endpoint: str):
                with self.monitor_request("GET", endpoint):
                    await asyncio.sleep(0.01)  # Simulate API call
                    return {"status": "success"}
        
        api = MockAPI()
        result = await api.make_request("/test")
        
        assert result["status"] == "success"
        
        # Verify monitoring metrics were recorded
        stats = api.get_monitoring_stats()
        assert len(stats) > 0
    
    async def test_security_logging_integration(self):
        """Test security and logging integration."""
        from datametria_common.mobile.security import DatametriaMobileSecurity
        
        security = DatametriaMobileSecurity("test_app")
        
        # Test encryption/decryption
        test_data = "sensitive_information"
        encrypted = security.encrypt_data(test_data)
        decrypted = security.decrypt_data(encrypted)
        
        assert decrypted == test_data
        assert encrypted != test_data
        
        # Test security headers generation
        headers = security.generate_security_headers()
        required_headers = ["X-App-ID", "X-Device-Fingerprint", "X-Timestamp"]
        
        for header in required_headers:
            assert header in headers
    
    async def test_mobile_security_integration(self):
        """Test mobile security cross-platform integration."""
        from datametria_common.mobile.security import MobileSecurityFactory
        
        # Test React Native provider
        rn_provider = MobileSecurityFactory.create_provider("react_native", "test_app")
        assert rn_provider is not None
        
        # Test Flutter provider
        flutter_provider = MobileSecurityFactory.create_provider("flutter", "test_app")
        assert flutter_provider is not None
        
        # Test cross-platform consistency
        rn_config = rn_provider.security_manager.generate_react_native_config()
        flutter_config = flutter_provider.security_manager.generate_flutter_config()
        
        assert rn_config["securityConfig"]["appId"] == flutter_config["security"]["appId"]
    
    async def test_design_system_integration(self):
        """Test design system cross-platform integration."""
        from datametria_common.design import DesignTokens, ComponentFactory
        
        # Test design tokens consistency
        css_vars = DesignTokens.to_css_variables()
        flutter_theme = DesignTokens.to_flutter_theme()
        rn_theme = DesignTokens.to_react_native_theme()
        
        assert "primary" in flutter_theme["colorScheme"]
        assert "primary" in rn_theme["colors"]
        assert "--color-primary-500" in css_vars
        
        # Test component factory
        factory = ComponentFactory()
        
        vue_button = factory.generate_vue_component("Button", "primary")
        rn_button = factory.generate_react_native_component("Button", "primary")
        flutter_button = factory.generate_flutter_component("Button", "primary")
        
        assert "primary" in vue_button
        assert "primary" in rn_button
        assert "primary" in flutter_button


class PerformanceTestSuite:
    """Performance tests for all components."""
    
    def __init__(self):
        self.test_runner = TestRunner()
        self._register_performance_tests()
    
    def _register_performance_tests(self):
        """Register all performance tests."""
        self.test_runner.register_test(TestType.PERFORMANCE, self.test_cache_performance)
        self.test_runner.register_test(TestType.PERFORMANCE, self.test_monitoring_performance)
        self.test_runner.register_test(TestType.PERFORMANCE, self.test_security_performance)
    
    async def test_cache_performance(self):
        """Test cache performance benchmarks."""
        from datametria_common.caching import UnifiedCache, CacheConfig, CacheBackend
        
        cache = UnifiedCache(CacheConfig(backend=CacheBackend.MEMORY, max_size=1000))
        
        # Test set performance
        start_time = time.time()
        for i in range(100):
            await cache.set(f"key_{i}", f"value_{i}")
        set_time = time.time() - start_time
        
        # Test get performance
        start_time = time.time()
        for i in range(100):
            await cache.get(f"key_{i}")
        get_time = time.time() - start_time
        
        # Performance assertions
        assert set_time < 0.1  # 100 sets in < 100ms
        assert get_time < 0.05  # 100 gets in < 50ms
    
    async def test_monitoring_performance(self):
        """Test monitoring performance benchmarks."""
        from datametria_common.monitoring import PerformanceMonitor
        
        monitor = PerformanceMonitor()
        
        # Test metric collection performance
        start_time = time.time()
        for i in range(100):
            monitor.collector.increment_counter(f"test_metric_{i}", 1.0)
        collection_time = time.time() - start_time
        
        # Performance assertion
        assert collection_time < 0.01  # 100 metrics in < 10ms
    
    async def test_security_performance(self):
        """Test security performance benchmarks."""
        from datametria_common.mobile.security import DatametriaMobileSecurity
        
        security = DatametriaMobileSecurity("perf_test")
        test_data = "performance_test_data" * 10
        
        # Test encryption performance
        start_time = time.time()
        for _ in range(50):
            encrypted = security.encrypt_data(test_data)
            security.decrypt_data(encrypted)
        crypto_time = time.time() - start_time
        
        # Performance assertion
        assert crypto_time < 0.1  # 50 encrypt/decrypt cycles in < 100ms


class QualityAssuranceRunner:
    """Main QA runner for automated testing."""
    
    def __init__(self):
        self.integration_suite = IntegrationTestSuite()
        self.performance_suite = PerformanceTestSuite()
    
    async def run_full_qa_suite(self) -> Dict[str, Any]:
        """Run complete QA test suite."""
        print("🚀 Starting DATAMETRIA Automated Testing Suite...")
        
        # Run integration tests
        print("📊 Running Integration Tests...")
        integration_results = await self.integration_suite.test_runner.run_all_tests()
        
        # Run performance tests
        print("⚡ Running Performance Tests...")
        performance_results = await self.performance_suite.test_runner.run_all_tests()
        
        # Combine results
        combined_results = {
            "integration": integration_results,
            "performance": performance_results,
            "overall_summary": self._generate_overall_summary(
                integration_results, performance_results
            )
        }
        
        print("✅ Testing Suite Completed!")
        return combined_results
    
    def _generate_overall_summary(self, integration_results: Dict, performance_results: Dict) -> Dict[str, Any]:
        """Generate overall test summary."""
        total_tests = (
            integration_results["summary"]["total_tests"] + 
            performance_results["summary"]["total_tests"]
        )
        
        total_passed = (
            integration_results["summary"]["passed"] + 
            performance_results["summary"]["passed"]
        )
        
        total_failed = (
            integration_results["summary"]["failed"] + 
            performance_results["summary"]["failed"]
        )
        
        return {
            "total_tests": total_tests,
            "passed": total_passed,
            "failed": total_failed,
            "success_rate": (total_passed / total_tests * 100) if total_tests > 0 else 0,
            "integration_success_rate": integration_results["summary"]["success_rate"],
            "performance_success_rate": performance_results["summary"]["success_rate"]
        }


# Test decorators for easy test registration
def integration_test(func):
    """Decorator to mark function as integration test."""
    func._test_type = TestType.INTEGRATION
    return func

def performance_test(func):
    """Decorator to mark function as performance test."""
    func._test_type = TestType.PERFORMANCE
    return func

def security_test(func):
    """Decorator to mark function as security test."""
    func._test_type = TestType.SECURITY
    return func


# Main execution function
async def run_automated_tests():
    """Run the complete automated testing suite."""
    qa_runner = QualityAssuranceRunner()
    results = await qa_runner.run_full_qa_suite()
    
    # Print summary
    summary = results["overall_summary"]
    print(f"\n📊 Test Results Summary:")
    print(f"   Total Tests: {summary['total_tests']}")
    print(f"   Passed: {summary['passed']}")
    print(f"   Failed: {summary['failed']}")
    print(f"   Success Rate: {summary['success_rate']:.1f}%")
    
    return results


if __name__ == "__main__":
    asyncio.run(run_automated_tests())
