rimiti/cosium-js-sdk

import {ConfigurationWrongFormat} from './exceptions'
import Authentication from './authentication'
import Validation from './validation'

export default class Configuration extends Validation {

  /**
   * @description Auto-hydrate object from configuration
   * @param config
   */
  constructor(config) {
    super()
    this._hydrate(config, this._itemsToHydrate())
  }

  get format() {
    return this._format
  }

  set format(value) {
    if (value !== 'json') throw new ConfigurationWrongFormat()
    this._format = value
  }

  get credentials() {
    return this._credentials
  }

  set credentials(value) {
    this._credentials = new Authentication(value)
  }

  get url() {
    return this._url
  }

  set url(value) {
    this._url = value
  }

  get routes() {
    return this._routes
  }

  set routes(value) {
    this._routes = value
  }

  /**
   * @description Get headers pre formatted
   * @returns {{Authorization: ({header}|*), Accept: string, Content-Type: string}}
   */
  get headers() {
    return {
      'Authorization': this._credentials.getAuthentication(),
      'Accept': 'application/json',
      'Content-Type': 'application/json'
    }
  }

  /**
   * @description Hydrate object from configuration settings
   * @param obj
   * @param attributes
   * @private
   */
  _hydrate(obj, attributes) {
    for (let item of attributes) {
      this[item] = (obj[item]) ? obj[item] : ''
    }
  }

  /**
   * @description Return array with items names to hydrate
   * @returns {[string,string,string,string]}
   * @private
   */
  _itemsToHydrate() {
    return ['format', 'credentials', 'url', 'routes']
  }
}