/**
 * Copyright (c) 2021 OpenLens Authors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

import { app, ipcMain } from "electron";
import winston, { format } from "winston";
import type Transport from "winston-transport";
import { consoleFormat } from "winston-console-format";
import { isDebugging, isTestEnv } from "./vars";
import BrowserConsole from "winston-transport-browserconsole";

const logLevel = process.env.LOG_LEVEL
  ? process.env.LOG_LEVEL
  : isDebugging
    ? "debug"
    : isTestEnv
      ? "error"
      : "info";

const transports: Transport[] = [];

if (ipcMain) {
  transports.push(
    new winston.transports.Console({
      handleExceptions: false,
      level: logLevel,
      format: format.combine(
        format.colorize({ level: true, message: false }),
        format.padLevels(),
        format.ms(),
        consoleFormat({
          showMeta: true,
          inspectOptions: {
            depth: 4,
            colors: true,
            maxArrayLength: 10,
            breakLength: 120,
            compact: Infinity,
          },
        }),
      ),
    }),
  );

  if (!isTestEnv) {
    transports.push(
      new winston.transports.File({
        handleExceptions: false,
        level: logLevel,
        filename: "lens.log",
        /**
         * SAFTEY: the `ipcMain` check above should mean that this is only
         * called in the main process
         */
        dirname: app.getPath("logs"),
        maxsize: 16 * 1024,
        maxFiles: 16,
        tailable: true,
      }),
    );
  }
} else {
  transports.push(new BrowserConsole());
}

export default winston.createLogger({
  format: format.simple(),
  transports,
});