#!/usr/bin/env python3
"""
WebSocket连接测试脚本
用于测试WebSocket客户端的连接功能
"""
import asyncio
import json
import sys
import os

# 添加项目根目录到Python路径
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from app.core.websocket.manager import websocket_manager
from app.schemas.websocket import CreateWebSocketClientRequest
from app.utils.structured_log import get_structured_logger, LogLevel

logger = get_structured_logger(__name__, LogLevel.DEBUG)

async def test_websocket_connection():
    """测试WebSocket连接功能"""
    print("=== WebSocket连接测试 ===")
    
    # 测试配置 - 使用更可靠的测试服务器
    test_cases = [
        {
            "name": "test_ws_demo",
            "url": "ws://demos.kaazing.com/echo",
            "description": "Kaazing Echo服务器测试"
        },
        {
            "name": "test_ws_local",
            "url": "ws://localhost:8080/ws",
            "description": "本地WebSocket服务器测试"
        },
        {
            "name": "test_ws_invalid",
            "url": "http://example.com",
            "description": "无效URL测试（应该失败）"
        }
    ]
    
    for test_case in test_cases:
        print(f"\n--- 测试: {test_case['description']} ---")
        print(f"URL: {test_case['url']}")
        
        try:
            # 创建请求对象
            request = CreateWebSocketClientRequest(
                name=test_case["name"],
                url=test_case["url"],
                heartbeat_interval=120  # 2分钟心跳间隔
            )
            
            # 创建客户端
            print("1. 创建WebSocket客户端...")
            client = await websocket_manager.create_client(request.name, request.url)
            print(f"   客户端创建成功: {client.name}")
            
            # 连接客户端
            print("2. 连接WebSocket客户端...")
            success = await websocket_manager.connect_client(request.name)
            
            if success:
                print(f"   ✅ 连接成功: {request.name}")
                
                # 获取客户端状态
                client = websocket_manager.get_client(request.name)
                if client:
                    stats = client.get_stats()
                    print(f"   状态: {stats['state']}")
                    print(f"   已连接: {stats['is_connected']}")
                
                # 等待一段时间观察连接状态
                print("3. 等待3秒观察连接状态...")
                await asyncio.sleep(3)
                
                # 再次检查状态
                client = websocket_manager.get_client(request.name)
                if client:
                    stats = client.get_stats()
                    print(f"   3秒后状态: {stats['state']}")
                    print(f"   3秒后已连接: {stats['is_connected']}")
                
                # 断开连接
                print("4. 断开WebSocket客户端...")
                await websocket_manager.disconnect_client(request.name)
                print(f"   ✅ 断开成功: {request.name}")
                
            else:
                print(f"   ❌ 连接失败: {request.name}")
                
        except Exception as e:
            print(f"   ❌ 测试异常: {e}")
            logger.error(f"WebSocket连接测试异常: {e}")
        
        # 清理
        try:
            await websocket_manager.remove_client(test_case["name"])
        except:
            pass
    
    print("\n=== 测试完成 ===")

async def test_websocket_manager_stats():
    """测试WebSocket管理器统计信息"""
    print("\n=== WebSocket管理器统计信息 ===")
    
    try:
        stats = websocket_manager.get_stats()
        print(f"客户端数量: {stats['client_count']}")
        print(f"Channel数量: {stats['channel_count']}")
        print(f"适配器数量: {stats['adapter_count']}")
        print(f"创建时间: {stats['created_at']}")
        
        if stats['clients']:
            print("\n客户端详情:")
            for name, client_stats in stats['clients'].items():
                print(f"  - {name}: {client_stats['state']} (连接: {client_stats['is_connected']})")
        
    except Exception as e:
        print(f"获取统计信息失败: {e}")

async def test_api_endpoint():
    """测试API端点"""
    print("\n=== API端点测试 ===")
    
    # 模拟API请求
    test_request = {
        "name": "test_api_client",
        "url": "ws://demos.kaazing.com/echo",
        "heartbeat_interval": 120
    }
    
    print(f"测试请求: {json.dumps(test_request, indent=2)}")
    
    try:
        # 创建请求对象
        request = CreateWebSocketClientRequest(**test_request)
        
        # 创建客户端
        print("1. 创建WebSocket客户端...")
        client = await websocket_manager.create_client(request.name, request.url)
        print(f"   客户端创建成功: {client.name}")
        
        # 连接客户端
        print("2. 连接WebSocket客户端...")
        success = await websocket_manager.connect_client(request.name)
        
        if success:
            print(f"   ✅ 连接成功: {request.name}")
            
            # 确保默认Channels存在并连接，创建适配器
            default_channels = ["default", "system", "events"]
            max_channel_size = 1000
            
            print("3. 创建默认Channels和适配器...")
            for ch in default_channels:
                channel = websocket_manager.get_channel(ch)
                if not channel:
                    channel = await websocket_manager.create_channel(ch, max_channel_size)
                await channel.connect()
                await websocket_manager.create_adapter(request.name, ch, request.heartbeat_interval)
                print(f"   ✅ Channel {ch} 和适配器创建成功")
            
            print("4. 等待2秒观察连接状态...")
            await asyncio.sleep(2)
            
            # 检查状态
            client = websocket_manager.get_client(request.name)
            if client:
                stats = client.get_stats()
                print(f"   最终状态: {stats['state']}")
                print(f"   最终连接: {stats['is_connected']}")
            
            # 断开连接
            print("5. 断开WebSocket客户端...")
            await websocket_manager.disconnect_client(request.name)
            print(f"   ✅ 断开成功: {request.name}")
            
        else:
            print(f"   ❌ 连接失败: {request.name}")
            
    except Exception as e:
        print(f"   ❌ API测试异常: {e}")
        logger.error(f"API测试异常: {e}")
    
    # 清理
    try:
        await websocket_manager.remove_client("test_api_client")
    except:
        pass

async def main():
    """主函数"""
    try:
        # 测试WebSocket连接
        await test_websocket_connection()
        
        # 测试API端点
        await test_api_endpoint()
        
        # 测试管理器统计
        await test_websocket_manager_stats()
        
    except KeyboardInterrupt:
        print("\n测试被用户中断")
    except Exception as e:
        print(f"测试过程中发生异常: {e}")
        logger.error(f"测试异常: {e}")
    finally:
        # 清理资源
        print("\n清理WebSocket管理器资源...")
        await websocket_manager.cleanup()
        print("清理完成")

if __name__ == "__main__":
    # 运行测试
    asyncio.run(main())