import logging
import os
import sys
from datetime import datetime

class PrefixFormatter(logging.Formatter):
    """自定义格式化器，为 DEBUG 级别日志添加开源项目前缀"""

    def format(self, record):
        if record.levelno == 10:  # DEBUG 级别的数值是 10
            record.msg = f"[听泉助手：https://cursorapi.nosqli.com] {record.msg}"
        return super().format(record)

def setup_logger():
    """设置日志系统"""
    # 获取用户的应用程序支持目录
    if sys.platform == 'darwin':
        app_support_dir = os.path.expanduser('~/Library/Application Support/听泉Cursor助手')
    else:
        app_support_dir = os.path.expanduser('~/.听泉Cursor助手')
        
    # 创建应用程序支持目录
    os.makedirs(app_support_dir, exist_ok=True)
    
    # 创建日志目录
    log_dir = os.path.join(app_support_dir, 'logs')
    os.makedirs(log_dir, exist_ok=True)
    
    # 设置日志文件路径
    log_file = os.path.join(log_dir, f"{datetime.now().strftime('%Y-%m-%d')}.log")
    
    # 创建日志记录器
    logger = logging.getLogger('CursorHelper')
    logger.setLevel(logging.DEBUG)  # 设置为DEBUG级别以记录所有日志
    
    # 创建文件处理器
    file_handler = logging.FileHandler(log_file, encoding='utf-8')
    file_handler.setLevel(logging.DEBUG)  # 文件处理器也设置为DEBUG级别
    file_handler.setFormatter(PrefixFormatter('%(asctime)s - %(levelname)s - %(message)s'))
    
    # 创建控制台处理器
    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.DEBUG)  # 控制台也输出DEBUG级别的日志
    console_handler.setFormatter(PrefixFormatter('%(levelname)s: %(message)s'))
    
    # 添加处理器到日志记录器
    logger.addHandler(file_handler)
    logger.addHandler(console_handler)
    
    # 记录初始化信息
    logger.info('日志系统初始化成功')
    logger.info(f'日志文件路径: {log_file}')
    logger.debug('调试日志已启用')
    
    return logger

# 导出日志记录器
logging = setup_logger()

def main_task():
    """
    Main task execution function. Simulates a workflow and handles errors.
    """
    try:
        logging.info("Starting the main task...")

        # Simulated task and error condition
        if some_condition():
            raise ValueError("Simulated error occurred.")

        logging.info("Main task completed successfully.")

    except ValueError as ve:
        logging.error(f"ValueError occurred: {ve}", exc_info=True)
    except Exception as e:
        logging.error(f"Unexpected error occurred: {e}", exc_info=True)
    finally:
        logging.info("Task execution finished.")


def some_condition():
    """
    Simulates an error condition. Returns True to trigger an error.
    Replace this logic with actual task conditions.
    """
    return True


if __name__ == "__main__":
    # Application workflow
    logging.info("Application started.")
    main_task()
    logging.info("Application exited.")