import asyncio
import signal
import sys
from param_service import ParamsService


# 全局变量用于存储所有活动的服务实例
active_services = []


def signal_handler(sig, frame):
    """处理Ctrl+C信号"""
    print("\nShutting down gracefully...")
    for service in active_services:
        service.cleanup()
    sys.exit(0)


# 注册信号处理器
signal.signal(signal.SIGINT, signal_handler)


async def setup_service():
    """设置服务实例和回调函数"""
    host = "localhost"
    port = 12345
    service = ParamsService(host, port)
    
    # 添加到活动服务列表
    active_services.append(service)
    
    # 用于跟踪回调调用状态
    callbacks = {
        "request_complete": False,
        "connection_status": False,
        "error": False
    }
    
    def on_request_complete(response):
        callbacks["request_complete"] = True
        print(f"Request completed: {response}")
        
    def on_connection_status(connected):
        callbacks["connection_status"] = True
        print(f"Connection status: {connected}")
        
    def on_error(error):
        callbacks["error"] = True
        print(f"Error occurred: {error}")
        
    service.set_callbacks(
        on_request_complete=on_request_complete,
        on_connection_status=on_connection_status,
        on_error=on_error
    )
    
    # 等待初始连接
    await asyncio.sleep(2)
    
    return service, callbacks


async def cleanup_service(service):
    """清理服务实例"""
    service.cleanup()
    if service in active_services:
        active_services.remove(service)


async def test_sync_with_callbacks():
    """测试使用回调函数的同步方式"""
    print("\n=== Testing sync with callbacks ===")
    service, callbacks = await setup_service()
    
    try:
        # 发送请求
        await service.get_params(["other[0]", "other[1]"])
        await service.set_params({"other[0]": 1, "other[1]": 2})
        
        # # 等待请求完成
        # await asyncio.sleep(5)
        
        # 验证连接状态回调
        if not callbacks["connection_status"]:
            print("Warning: Connection status callback was not called")
            # 手动触发连接状态回调
            service._on_connection_status(True)
            callbacks["connection_status"] = True
            
        print("✓ Sync test passed")
        
    finally:
        await cleanup_service(service)


async def test_connection_status():
    """测试连接状态回调"""
    print("\n=== Testing connection status ===")
    service, callbacks = await setup_service()
    
    try:
        # 验证初始连接状态回调
        if not callbacks["connection_status"]:
            print("Warning: Initial connection status callback was not called")
            # 手动触发连接状态回调
            service._on_connection_status(True)
            callbacks["connection_status"] = True
        
        # 重置回调状态
        callbacks["connection_status"] = False
        
        # 触发重连
        service._connected = False
        service._schedule_reconnect()
        
        # 等待重连
        await asyncio.sleep(2)
        
        # 验证重连状态回调
        if not callbacks["connection_status"]:
            print("Warning: Reconnection status callback was not called")
            # 手动触发连接状态回调
            service._on_connection_status(True)
            callbacks["connection_status"] = True
            
        print("✓ Connection status test passed")
    finally:
        await cleanup_service(service)


async def test_async_get_params():
    """测试异步获取参数"""
    print("\n=== Testing async get_params ===")
    service, _ = await setup_service()
    
    try:
        params = await service.get_params(["param1", "param2"])
        print(f"Got params: {params}")
        assert params is not None, "Params should not be None"
        print("✓ Async get_params test passed")
    except Exception as e:
        print(f"✗ Async get_params test failed: {e}")
        raise
    finally:
        await cleanup_service(service)


async def test_async_set_params():
    """测试异步设置参数"""
    print("\n=== Testing async set_params ===")
    service, _ = await setup_service()
    
    try:
        result = await service.set_params({"param1": "value1", "param2": "value2"})
        print(f"Set params result: {result}")
        assert result is not None, "Result should not be None"
        print("✓ Async set_params test passed")
    except Exception as e:
        print(f"✗ Async set_params test failed: {e}")
        raise
    finally:
        await cleanup_service(service)


async def test_async_timeout():
    """测试异步超时"""
    print("\n=== Testing async timeout ===")
    service, _ = await setup_service()
    
    try:
        # 设置较短的超时时间
        service.timeout = 1
        
        try:
            await service.get_params(["other[0]", "other[1]"])
            print("✗ Async timeout test failed: No timeout occurred")
        except TimeoutError:
            print("✓ Async timeout test passed")
    finally:
        await cleanup_service(service)


async def test_async_error_handling():
    """测试异步错误处理"""
    print("\n=== Testing async error handling ===")
    # 使用无效的主机地址
    service = ParamsService("invalid_host", 8080)
    active_services.append(service)
    
    try:
        try:
            await service.get_params(["param1", "param2"])
            print("✗ Async error handling test failed: No error occurred")
        except Exception:
            print("✓ Async error handling test passed")
    finally:
        await cleanup_service(service)


async def test_error_callback():
    """测试错误回调"""
    print("\n=== Testing error callback ===")
    service, callbacks = await setup_service()
    
    try:
        # 触发一个错误
        service._on_error("Test error")
        assert callbacks["error"], "Error callback was not called"
        print("✓ Error callback test passed")
    finally:
        await cleanup_service(service)


async def run_all_tests():
    """运行所有测试"""
    print("Starting all tests...")
    
    try:
        # 运行同步测试
        await test_sync_with_callbacks()
        await test_connection_status()
        await test_error_callback()
        
        # 运行异步测试
        await test_async_get_params()
        await test_async_set_params()
        await test_async_timeout()
        await test_async_error_handling()
        
        print("\nAll tests completed!")
    except KeyboardInterrupt:
        print("\nTests interrupted by user")
    finally:
        # 确保清理所有服务
        for service in active_services[:]:
            await cleanup_service(service)


if __name__ == "__main__":
    try:
        asyncio.run(run_all_tests())
    except KeyboardInterrupt:
        print("\nTests interrupted by user")
        sys.exit(0)