mashafrancis/butternut-user

import { LoggerService } from '@nestjs/common';
import { createLogger, format, Logger, transports } from 'winston';

const { combine, timestamp, printf } = format;
import { config } from '../config';

export class AppLogger implements LoggerService {
    private logger: Logger;

    constructor(label?: string) {
        const options = {
            file: {
                level: 'info' || 'error',
                filename: `${__dirname}/../../logs/app.log`,
                handleExceptions: true,
                json: true,
                maxsize: 5242880, // 5MB
                maxFiles: 5,
                colorize: false,
            },
        };

        this.logger = createLogger({
            format: combine(
                format.label({ label }),
                timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
                format.splat(),
                format.json(),
                printf(({ level, message, label, timestamp }) => {
                    return `${timestamp} [${label}] ${level.toUpperCase()} - ${message}`;
                }),
            ),
            level: config.logger.level,
            transports: [
                process.env.NODE_ENV !== 'development'
                    ? new transports.File(options.file)
                    : new transports.Console({
                            format: format.combine(
                                format.errors({ stack: true }),
                                format.cli(),
                                format.splat(),
                            ),
                      }),
            ],
        });
    }

    error(message: string, trace: string) {
        this.logger.error(message, trace);
    }

    warn(message: string) {
        this.logger.warn(message);
    }

    log(message: string) {
        this.logger.info(message);
    }

    verbose(message: string) {
        this.logger.verbose(message);
    }

    debug(message: string) {
        this.logger.debug(message);
    }

    silly(message: string) {
        this.logger.silly(message);
    }
}