from datetime import datetime
from enum import Enum
import threading

from core.eventbus import EventPrintLog, event_bus
import config


class LogLevel(Enum):
    DEBUG = 0
    INFO = 1
    WARNING = 2
    ERROR = 3
    CRITICAL = 4

    def __le__(self, other):
        return self.value <= other.value


class LogData:
    def __init__(self, level: LogLevel, message: str):
        self.level = level
        self.message = message


_log_lock = threading.Lock()


def _log_file_path():
    """日志文件路径"""
    return str(config.log_file_path())


def PrintLog(level: LogLevel, message: str):
    data = LogData(level, message)
    event_bus.publish(EventPrintLog, data)

    line = f'{datetime.now().strftime("%Y-%m-%d %H:%M:%S")} [{level.name}] {message}'

    if config.console_log:
        print(line)

    # 写入日志文件
    try:
        with _log_lock:
            with open(_log_file_path(), 'a', encoding='utf-8') as f:
                f.write(line + '\n')
    except Exception:
        pass  # 写文件失败不阻塞主流程