/*
 * This file is part of ORY Editor.
 *
 * ORY Editor is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ORY Editor is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with ORY Editor.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @license LGPL-3.0
 * @copyright 2016-2018 Aeneas Rekkas
 * @author Aeneas Rekkas <aeneas+oss@aeneas.io>
 *
 */
// tslint:disable:no-console

const trace = (): Array<string> => {
  const e = new Error('dummy');
  return e.stack
    .replace(/^[^(]+?[\n$]/gm, '')
    .replace(/^\s+at\s+/gm, '')
    .replace(/^Object.<anonymous>\s*\(/gm, '{anonymous}()@')
    .split('\n');
};

export class Logger {
  /**
   * Logs a warning. Warnings are things that are exceptional, but easily to recover from.
   */
  // tslint:disable-next-line:no-any
  warn(...args: any[]) {
    console.warn('Warning:', ...args);
  }

  /**
   * Logs a debug message. Debug messages are things that help developers debugging things.
   */
  // tslint:disable-next-line:no-any
  debug(...args: any[]) {
    console.log('Debug:', ...args);
  }

  /**
   * Logs an info. Infos are things that might be interesting for someone who needs to take a closer look.
   */
  // tslint:disable-next-line:no-any
  info(...args: any[]) {
    console.log('Info:', ...args);
  }

  /**
   * Logs an error. Error are things that are exceptional, but can be recovered from.
   */
  // tslint:disable-next-line:no-any
  error(...args: any[]) {
    console.error('Error:', ...args);
    console.error('Trace:', trace());
  }

  /**
   * Logs a fatal error. Fatal errors are things that are exceptional and can not be recovered from.
   */
  // tslint:disable-next-line:no-any
  fatal(...args: any[]) {
    console.error('Fatal:', ...args);
    console.error('Trace:', trace());
    throw new Error(args.join(' '));
  }

  /**
   * Logs a message.
   */
  // tslint:disable-next-line:no-any
  log(...args: any[]) {
    console.log('Fatal:', ...args);
    console.log('Trace:', trace());
  }
}

const instance = new Logger();

export default instance;