// logger.js

const winston = require('winston');

// 配置日志格式
const logger = winston.createLogger({
    level: 'info',
    format: winston.format.combine(
        winston.format.timestamp(),
        winston.format.printf(info => `${info.timestamp} [${info.level}] ${info.message}`)
    ),
    transports: [
        new winston.transports.Console({
            format: winston.format.combine(
                winston.format.colorize(),
                winston.format.printf(info => `${info.timestamp} [${info.level}] ${info.message}`)
            )
        }),
        new winston.transports.File({ filename: 'error.log', format: winston.format.printf(info => `${info.timestamp} [${info.level}] ${info.message}`) })
    ],
});

// 导出日志函数
module.exports = {
    info: (message) => logger.info(message),
    warn: (message) => logger.warn(message),
    error: (message) => logger.error(message)
};