#!/usr/bin/env python3
"""Test script for dependency injection and configuration setup."""

import sys
import os
import logging
from pathlib import Path

# Add src to path for imports
sys.path.insert(0, str(Path(__file__).parent / "src"))

from infrastructure.config.container_setup import (
    create_configured_container,
    get_service_registry_info,
    initialize_global_container,
    get_global_container,
    cleanup_global_container
)
from infrastructure.config.app_config import AppConfig
from infrastructure.config.dependency_container import DependencyContainer
from application.services.audio_processing_service import AudioProcessingApplicationService
from application.services.configuration_service import ConfigurationApplicationService


def test_configuration_loading():
    """Test configuration loading from file and environment."""
    print("=" * 60)
    print("Testing Configuration Loading")
    print("=" * 60)

    try:
        # Test default configuration
        print("\n1. Testing default configuration...")
        config = AppConfig()
        print(f"✓ Default config loaded successfully")
        print(f"  - TTS preferred providers: {config.tts.preferred_providers}")
        print(f"  - STT default model: {config.stt.default_model}")
        print(f"  - Translation provider: {config.translation.default_provider}")
        print(f"  - Temp directory: {config.processing.temp_dir}")
        print(f"  - Log level: {config.logging.level}")

        # Test configuration from file
        print("\n2. Testing configuration from file...")
        config_file = "config.example.json"
        if os.path.exists(config_file):
            config_from_file = AppConfig(config_file=config_file)
            print(f"✓ Config loaded from {config_file}")
            print(f"  - TTS preferred providers: {config_from_file.tts.preferred_providers}")
            print(f"  - Processing timeout: {config_from_file.processing.processing_timeout_seconds}s")
        else:
            print(f"⚠ Config file {config_file} not found, skipping file test")

        # Test environment variable override
        print("\n3. Testing environment variable override...")
        os.environ['TTS_DEFAULT_SPEED'] = '1.5'
        os.environ['LOG_LEVEL'] = 'DEBUG'

        config_with_env = AppConfig()
        print(f"✓ Config with environment overrides loaded")
        print(f"  - TTS default speed: {config_with_env.tts.default_speed}")
        print(f"  - Log level: {config_with_env.logging.level}")

        # Clean up environment
        del os.environ['TTS_DEFAULT_SPEED']
        del os.environ['LOG_LEVEL']

        return True

    except Exception as e:
        print(f"✗ Configuration loading failed: {e}")
        return False


def test_dependency_container():
    """Test dependency container setup and service resolution."""
    print("\n" + "=" * 60)
    print("Testing Dependency Container")
    print("=" * 60)

    try:
        # Test container creation
        print("\n1. Testing container creation...")
        container = create_configured_container()
        print("✓ Container created successfully")

        # Test service registration info
        print("\n2. Testing service registry...")
        registry_info = get_service_registry_info(container)
        print("✓ Service registry information retrieved")
        print(f"  - Registered services: {len(registry_info['registered_services'])}")

        for service_name, lifetime in registry_info['registered_services'].items():
            print(f"    • {service_name}: {lifetime}")

        # Test provider availability
        print("\n3. Testing provider availability...")
        provider_info = registry_info['provider_availability']
        print(f"  - Available TTS providers: {provider_info['tts_providers']}")
        print(f"  - Available STT providers: {provider_info['stt_providers']}")
        print(f"  - Available translation providers: {provider_info['translation_providers']}")

        # Test service resolution
        print("\n4. Testing service resolution...")

        # Resolve configuration
        config = container.resolve(AppConfig)
        print("✓ AppConfig resolved successfully")

        # Resolve application services
        audio_service = container.resolve(AudioProcessingApplicationService)
        print("✓ AudioProcessingApplicationService resolved successfully")

        config_service = container.resolve(ConfigurationApplicationService)
        print("✓ ConfigurationApplicationService resolved successfully")

        # Test provider services
        tts_provider = container.get_tts_provider()
        print(f"✓ TTS provider resolved: {tts_provider.__class__.__name__}")

        stt_provider = container.get_stt_provider()
        print(f"✓ STT provider resolved: {stt_provider.__class__.__name__}")

        translation_provider = container.get_translation_provider()
        print(f"✓ Translation provider resolved: {translation_provider.__class__.__name__}")

        # Test scoped services
        print("\n5. Testing scoped services...")
        with container.create_scope() as scope:
            scoped_audio_service = scope.resolve(AudioProcessingApplicationService)
            print("✓ Scoped AudioProcessingApplicationService resolved")

        # Cleanup
        container.cleanup()
        print("✓ Container cleanup completed")

        return True

    except Exception as e:
        print(f"✗ Dependency container test failed: {e}")
        import traceback
        traceback.print_exc()
        return False


def test_global_container():
    """Test global container management."""
    print("\n" + "=" * 60)
    print("Testing Global Container Management")
    print("=" * 60)

    try:
        # Test global container initialization
        print("\n1. Testing global container initialization...")
        global_container = initialize_global_container()
        print("✓ Global container initialized")

        # Test global container access
        print("\n2. Testing global container access...")
        retrieved_container = get_global_container()
        print("✓ Global container retrieved")

        assert global_container is retrieved_container, "Global container instances should be the same"
        print("✓ Global container instance consistency verified")

        # Test service resolution through global container
        print("\n3. Testing service resolution through global container...")
        config = retrieved_container.resolve(AppConfig)
        print("✓ Configuration resolved through global container")

        # Test global container cleanup
        print("\n4. Testing global container cleanup...")
        cleanup_global_container()
        print("✓ Global container cleaned up")

        return True

    except Exception as e:
        print(f"✗ Global container test failed: {e}")
        return False


def test_configuration_service():
    """Test configuration application service."""
    print("\n" + "=" * 60)
    print("Testing Configuration Application Service")
    print("=" * 60)

    try:
        # Create container
        container = create_configured_container()

        # Get configuration service
        print("\n1. Testing configuration service resolution...")
        config_service = container.resolve(ConfigurationApplicationService)
        print("✓ Configuration service resolved")

        # Test getting current configuration
        print("\n2. Testing configuration retrieval...")
        current_config = config_service.get_current_configuration()
        print("✓ Current configuration retrieved")
        print(f"  - Configuration sections: {list(current_config.keys())}")

        # Test TTS configuration
        print("\n3. Testing TTS configuration...")
        tts_config = config_service.get_tts_configuration()
        print(f"✓ TTS configuration: {len(tts_config)} settings")

        # Test configuration updates
        print("\n4. Testing configuration updates...")
        updated_tts = config_service.update_tts_configuration({
            'default_speed': 1.2,
            'enable_streaming': False
        })
        print("✓ TTS configuration updated")
        print(f"  - New default speed: {updated_tts['default_speed']}")
        print(f"  - Streaming enabled: {updated_tts['enable_streaming']}")

        # Test provider availability
        print("\n5. Testing provider availability check...")
        availability = config_service.get_provider_availability()
        print("✓ Provider availability checked")
        for category, providers in availability.items():
            print(f"  - {category.upper()}: {providers}")

        # Test system info
        print("\n6. Testing system information...")
        system_info = config_service.get_system_info()
        print("✓ System information retrieved")
        print(f"  - Supported languages: {len(system_info['supported_languages'])}")
        print(f"  - Supported audio formats: {system_info['supported_audio_formats']}")

        # Test configuration validation
        print("\n7. Testing configuration validation...")
        validation_issues = config_service.validate_configuration()
        print("✓ Configuration validation completed")

        total_issues = sum(len(issues) for issues in validation_issues.values())
        if total_issues == 0:
            print("  - No validation issues found")
        else:
            print(f"  - Found {total_issues} validation issues")
            for category, issues in validation_issues.items():
                if issues:
                    print(f"    • {category}: {issues}")

        # Cleanup
        container.cleanup()

        return True

    except Exception as e:
        print(f"✗ Configuration service test failed: {e}")
        import traceback
        traceback.print_exc()
        return False


def main():
    """Run all tests."""
    print("Dependency Injection and Configuration Test Suite")
    print("=" * 60)

    # Configure basic logging
    logging.basicConfig(
        level=logging.WARNING,  # Reduce noise during testing
        format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
    )

    tests = [
        ("Configuration Loading", test_configuration_loading),
        ("Dependency Container", test_dependency_container),
        ("Global Container Management", test_global_container),
        ("Configuration Service", test_configuration_service)
    ]

    results = []

    for test_name, test_func in tests:
        try:
            result = test_func()
            results.append((test_name, result))
        except Exception as e:
            print(f"\n✗ {test_name} failed with exception: {e}")
            results.append((test_name, False))

    # Print summary
    print("\n" + "=" * 60)
    print("Test Results Summary")
    print("=" * 60)

    passed = 0
    failed = 0

    for test_name, result in results:
        status = "✓ PASSED" if result else "✗ FAILED"
        print(f"{test_name:<30} {status}")

        if result:
            passed += 1
        else:
            failed += 1

    print(f"\nTotal: {len(results)} tests, {passed} passed, {failed} failed")

    if failed == 0:
        print("\n🎉 All tests passed!")
        return 0
    else:
        print(f"\n❌ {failed} test(s) failed!")
        return 1


if __name__ == "__main__":
    sys.exit(main())