# coding:utf-8
"""
QMT多终端交易系统启动器
版本：V2.0 (Multi-Terminal Edition)
"""
import sys
import os
import threading
import uvicorn

# 将当前目录添加到Python路径，确保模块导入正常
current_dir = os.path.dirname(os.path.abspath(__file__))
if current_dir not in sys.path:
    sys.path.insert(0, current_dir)

# 导入升级后的多终端管理器
from qmt_engine import MultiEngineManager
from api_server import create_api_server

def main():
    """主函数 - 启动多终端QMT交易引擎管理中心和API服务器"""
    # 强制设置环境变量，确保Python在Windows控制台输出不因编码崩溃
    os.environ["PYTHONUTF8"] = "1"
    
    print("==================================================")
    print("   QMT Multi-Terminal System Starting...   ")
    print("==================================================")
    
    # 1. 获取多终端管理器单例
    manager = MultiEngineManager()
    
    try:
        # 2. 初始化引擎（加载配置、连接Redis、初始化各终端执行单元）
        manager.initialize('config.json')
        print("Done: Multi-Manager initialized successfully.")
    except Exception as e:
        print(f"Error: System initialization failed: {repr(e)}")
        import traceback
        traceback.print_exc()
        sys.exit(1)
    
    # 3. 启动全局监控与交易路由主循环线程
    # 该线程负责：终端健康检查、断线重连、消息路由、收盘结算
    trading_thread = threading.Thread(target=manager.run_trading_loop, name="MainTradeLoop", daemon=True)
    trading_thread.start()
    print("Done: Global trading loop thread started.")
    
    # 4. 创建适配多终端的API服务器
    app = create_api_server(manager)
    print("Done: API server created with multi-terminal support.")
    
    # 5. 启动Web服务
    print(">>> Web Dashboard: http://localhost:8001")
    try:
        # 建议关闭 access_log 以减少控制台刷屏
        uvicorn.run(
            app, 
            host="0.0.0.0", 
            port=8001, 
            log_level="warning",
            access_log=False
        )
    except KeyboardInterrupt:
        print("\n>>> Shutdown signal received. Closing terminals...")
        manager.stop()
        print(">>> System safely closed.")
        _write_exit_code(0)
        sys.exit(0)

def _write_exit_code(code):
    """将退出码写入临时文件，供 start.bat 读取"""
    try:
        exit_code_file = os.path.join(os.environ.get('TEMP', ''), 'exit_code.txt')
        with open(exit_code_file, 'w') as f:
            f.write(str(code))
    except Exception:
        pass

if __name__ == '__main__':
    # 最佳实践：使用 python -u run.py 运行以获得实时日志输出
    main()