import { TrustpilotBusinessUnitWebLinks, TrustpilotBusinessUnit, TrustpilotSummary } from '../entities/Trustpilot';

export class TrustpilotClient {
  readonly businessUnitId: string;
  readonly baseUrl: string;
  readonly businessUnit: string;
  readonly businessUnitWebLinks: string;

  constructor(private $q: QService, private $http: HttpService) {
    this.businessUnitId = "4e71fb7f0000640005110198";
    this.baseUrl = "https://api.trustpilot.com";
    this.businessUnit = this.baseUrl + "/v1/business-units/" + this.businessUnitId;
    this.businessUnitWebLinks = this.businessUnit + "/web-links";
  }

  private config(params?: any): ng.IRequestShortcutConfig {
    return {
      cache: true,
      headers: {
        "apikey": "mTq5iji1OECTPmvVHqwjSFMygbaNzDs5",
        'If-Modified-Since': undefined,
        'app-version': undefined,
        'platform': undefined
      },
      params: params
    };
  }

  private getBusinessUnit(): HttpPromise<TrustpilotBusinessUnit> {
    return this.$http.get<TrustpilotBusinessUnit>(this.businessUnit, this.config());
  }

  private getWebLinks(): HttpPromise<TrustpilotBusinessUnitWebLinks> {
    return this.$http.get<TrustpilotBusinessUnitWebLinks>(this.businessUnitWebLinks,
      this.config({ locale: "en-gb" })
    );
  }

  getSummary(): Promise<TrustpilotSummary> {
    return this.$q.all({
      businessUnit: this.getBusinessUnit(),
      webLinks: this.getWebLinks()
    }).then((response) => ({
      trustScore: response.businessUnit.data.trustScore,
      numberOfReviews: response.businessUnit.data.numberOfReviews.total,
      profileUrl: response.webLinks.data.profileUrl,
    }));
  }
}