import logging
import sys
import traceback
import os
import atexit
import shutil
import tempfile
from pathlib import Path
from PyQt5.QtWidgets import QApplication, QMessageBox
from gui.main_window import MainWindow

def cleanup_temp():
    """清理临时文件"""
    try:
        temp_dir = Path(tempfile._get_default_tempdir())
        for item in temp_dir.glob('_MEI*'):
            try:
                if item.is_dir():
                    shutil.rmtree(str(item), ignore_errors=True)
                elif item.is_file():
                    item.unlink()
            except:
                pass
    except:
        pass

def setup_logging():
    """设置日志"""
    try:
        log_dir = Path.home() / ".cursor_switcher" / "logs"
        log_dir.mkdir(parents=True, exist_ok=True)
        
        log_file = log_dir / "switcher.log"
        
        # 只输出到文件，不输出到控制台
        logging.basicConfig(
            level=logging.INFO,
            format="%(asctime)s - %(levelname)s - %(message)s",
            handlers=[
                logging.FileHandler(log_file, encoding="utf-8"),
            ]
        )
    except Exception as e:
        # 不打印错误信息，只记录到日志
        pass

def main():
    """主函数"""
    try:
        # 注册退出时的清理函数
        atexit.register(cleanup_temp)
        
        setup_logging()
        
        # 检查Python版本
        logging.info(f"Python版本: {sys.version}")
        
        # 检查工作目录
        logging.info(f"当前工作目录: {Path.cwd()}")
        
        # 检查模块路径
        logging.info("Python路径:")
        for p in sys.path:
            logging.info(f"  - {p}")
        
        logging.info("正在初始化主窗口...")
        app = QApplication(sys.argv)
        window = MainWindow()
        
        logging.info("正在启动主窗口...")
        window.show()
        sys.exit(app.exec_())
        
    except Exception as e:
        error_msg = f"程序运行出错: {str(e)}\n{traceback.format_exc()}"
        logging.error(error_msg)
        # 使用 QMessageBox 显示错误
        app = QApplication(sys.argv)
        QMessageBox.critical(None, "错误", error_msg)
        sys.exit(1)

if __name__ == "__main__":
    main()