// Copyright 2023 Cisco Systems, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import { LOG_LEVELS } from "./ConsoleLogger.js";
declare const BUILD_TARGET: string | undefined;



export default class FancyLogger {
    static async getLogger() {
        if (typeof BUILD_TARGET === 'undefined' || BUILD_TARGET !== 'web') {
            const winston = await import('winston');
            const formats = [winston.format.colorize(), winston.format.simple()];
            return winston.createLogger({
                levels: LOG_LEVELS,
                format: winston.format.json(),
                transports: [
                    new winston.transports.Console({
                        format: winston.format.combine(...formats)
                    })
                ],
            });
        } else {
            throw new Error(`FancyLogger can't be used when BUILD_TARGET is ${BUILD_TARGET}`);
        }
    }
}