# 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 logging
import datetime
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 setup_logger():
    """配置日志系统"""
    log_dir = "logs"
    if not os.path.exists(log_dir):
        os.makedirs(log_dir)
    
    log_file = os.path.join(log_dir, f"{datetime.date.today().strftime('%Y-%m-%d')}.log")
    
    logger = logging.getLogger("QMT_Run")
    logger.setLevel(logging.INFO)
    
    formatter = logging.Formatter(
        '[%(asctime)s] [%(levelname)s] [%(filename)s:%(lineno)d] %(message)s',
        datefmt='%Y-%m-%d %H:%M:%S'
    )
    
    file_handler = logging.FileHandler(log_file, mode='a', encoding='utf-8')
    file_handler.setFormatter(formatter)
    
    stream_handler = logging.StreamHandler(sys.stdout)
    stream_handler.setFormatter(formatter)
    
    logger.addHandler(file_handler)
    logger.addHandler(stream_handler)
    
    return logger


def main():
    """主函数 - 启动多终端QMT交易引擎管理中心和API服务器"""
    logger = setup_logger()
    
    # 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"
    
    logger.info("="*50)
    logger.info(">>> QMT Multi-Terminal System Starting...")
    logger.info("="*50)
    
    # 1. 获取多终端管理器单例
    manager = MultiEngineManager()
    logger.info("多终端管理器实例获取成功")
    
    try:
        # 2. 初始化引擎（加载配置、连接Redis、初始化各终端执行单元）
        logger.info("正在加载配置文件: config.json")
        manager.initialize('config.json')
        logger.info("Done: Multi-Manager initialized successfully.")
    except Exception as e:
        logger.error(f"Error: System initialization failed: {repr(e)}", exc_info=True)
        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
    logger.info("正在启动交易主循环线程...")
    trading_thread = threading.Thread(target=manager.run_trading_loop, name="MainTradeLoop", daemon=True)
    trading_thread.start()
    logger.info("Done: Global trading loop thread started.")
    
    # 4. 创建适配多终端的API服务器
    logger.info("正在创建API服务器...")
    app = create_api_server(manager)
    logger.info("Done: API server created with multi-terminal support.")
    
    # 5. 启动Web服务
    logger.info(">>> 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:
        logger.info(">>> Shutdown signal received. Closing terminals...")
        manager.stop()
        logger.info(">>> 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"""
    logger = logging.getLogger("QMT_Run")
    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))
        logger.info(f">>> 退出码已写入: {code}")
    except Exception as e:
        logger.error(f">>> 退出码写入失败: {str(e)}")

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()