#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
简化的相机断开连接测试脚本
"""

import sys
import os
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

import time
import threading
import logging
from devices.camera_manager import CameraManager
from devices.utils.config_manager import ConfigManager

# 配置日志
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)

class MockSocketIO:
    """模拟SocketIO用于测试"""
    
    def __init__(self):
        self.events = []
        self.lock = threading.Lock()
    
    def emit(self, event, data, namespace=None):
        """记录发送的事件"""
        with self.lock:
            self.events.append({
                'event': event,
                'data': data,
                'namespace': namespace,
                'timestamp': time.time()
            })
            logger.info(f"Socket事件: {event} -> {data} (namespace: {namespace})")
    
    def get_events(self):
        """获取所有事件"""
        with self.lock:
            return self.events.copy()

def test_camera_connection():
    """测试相机连接和断开检测"""
    logger.info("="*60)
    logger.info("开始测试相机连接和断开检测功能")
    logger.info("="*60)
    
    # 创建模拟SocketIO
    mock_socketio = MockSocketIO()
    
    try:
        # 创建配置管理器
        config_manager = ConfigManager()
        
        # 创建相机管理器
        camera_manager = CameraManager(mock_socketio, config_manager)
        
        # 添加状态变化回调
        def status_callback(device_name, is_connected):
            logger.info(f"状态回调: {device_name} -> {'连接' if is_connected else '断开'}")
        
        camera_manager.add_status_change_callback(status_callback)
        
        # 1. 测试初始化
        logger.info("\n步骤1: 初始化相机设备")
        if camera_manager.initialize():
            logger.info(f"✓ 相机初始化成功 - 连接状态: {camera_manager.is_connected}")
        else:
            logger.warning("✗ 相机初始化失败")
            return False
        
        # 2. 测试硬件连接检查
        logger.info("\n步骤2: 测试硬件连接检查")
        hardware_connected = camera_manager.check_hardware_connection()
        logger.info(f"硬件连接状态: {hardware_connected}")
        
        # 3. 启动连接监控
        logger.info("\n步骤3: 启动连接监控")
        camera_manager._start_connection_monitor()
        logger.info("连接监控已启动")
        
        # 4. 监控连接状态变化
        logger.info("\n步骤4: 监控连接状态 (30秒)")
        logger.info("请在此期间拔出相机USB连接线来测试断开检测...")
        
        start_time = time.time()
        last_status = camera_manager.is_connected
        
        while time.time() - start_time < 30:
            current_status = camera_manager.is_connected
            
            if current_status != last_status:
                logger.info(f"检测到状态变化: {'连接' if current_status else '断开'} (耗时: {time.time() - start_time:.1f}秒)")
                last_status = current_status
                
                if not current_status:
                    logger.info("✓ 成功检测到相机断开!")
                    break
            
            time.sleep(1)
        
        # 5. 检查Socket事件
        logger.info("\n步骤5: 检查Socket事件")
        events = mock_socketio.get_events()
        
        if events:
            logger.info(f"共记录到 {len(events)} 个Socket事件:")
            for i, event in enumerate(events, 1):
                logger.info(f"  {i}. {event['event']} -> {event['data']}")
        else:
            logger.info("未记录到Socket事件")
        
        return True
        
    except Exception as e:
        logger.error(f"测试过程中发生异常: {e}")
        return False
    
    finally:
        # 清理资源
        try:
            if 'camera_manager' in locals():
                camera_manager._stop_connection_monitor()
                camera_manager.disconnect()
            logger.info("测试资源清理完成")
        except Exception as e:
            logger.error(f"清理资源时发生异常: {e}")

def main():
    """主函数"""
    logger.info("相机断开连接测试脚本")
    
    success = test_camera_connection()
    
    logger.info("\n" + "="*60)
    if success:
        logger.info("测试完成: 相机断开连接检测功能测试完成")
    else:
        logger.info("测试完成: 相机断开连接检测功能存在问题")
    logger.info("="*60)

if __name__ == "__main__":
    main()