class Logger {
  /**
   *
   * @param {string} m Module Name
   * @param {string} e Endpoint Function Name
   */
  constructor(m, e) {
    this.__module = m;
    this.__endpoint = e;
    this.log = this.log.bind(this);
    this.start = this.start.bind(this);
    this.error = this.error.bind(this);
    this.success = this.success.bind(this);
    this.__getVString = this.__getVString.bind(this);
  }

  /**
   *
   * @param {object} v variables to log
   */
  __getVString(v = {}) {
    var vString = '';
    Object.keys(v).map((k) => (vString += `${k}: ${v[k]} `));
    return vString;
  }

  /**
   *
   * @param {string} e error message
   * @param {object} v variables to log
   */
  error(e = 'ERROR LOG', v = {}) {
    console.error(`[ERROR] ${this.__module} / ${this.__endpoint} / ${e}\t ${this.__getVString(v)}`);
  }

  /**
   *
   * @param {object} v variables to log
   */
  start(v = {}) {
    console.info(`[START] ${this.__module} / ${this.__endpoint}\t ${this.__getVString(v)}`);
  }

  /**
   *
   * @param {string} m log message
   * @param {object} v variables to log
   */
  success(m = '', v = {}) {
    console.info(`[DONE] ${this.__module} / ${this.__endpoint} / ${m}\t ${this.__getVString(v)}`);
  }

  /**
   *
   * @param {string} d description like [DONE, ERROR, INFO]
   * @param {string} m log message
   * @param {object} v variables to log
   */
  log(d = 'CUSTOM', m = '', v = {}) {
    console.info(
      `[(${d})] ${this.__module} / ${this.__endpoint} / ${m} \t ${this.__getVString(v)}`
    );
  }
}

module.exports = Logger;