import { Injectable } from '@angular/core';
import { GCMockModule } from '@core/mocks/gc-module.mock';
import { It, Spec } from '@yourcause/test-decorators';
import { DescribeAngularService } from '@yourcause/test-decorators/angular';
import { expect } from 'chai';
import { PortalDeterminationService } from './portal-determination.service';
import { SSOService } from './sso.service';

@Injectable({ providedIn: 'root' })
@DescribeAngularService(SSOService, {
  imports: [
    GCMockModule
  ],
  providers: [
    PortalDeterminationService
  ]
})
export class SSOServiceSpec implements Spec<SSOServiceSpec, SSOService> {
  private urlToHashMap (url: string): { [x: string]: string } {
    return url.split('?')[1].split('&')
      .reduce((map, keyValue) => ({
        ...map,
        [keyValue.split('=')[0]]: keyValue.split('=')[1]
      }), {});
  }


  @It 'should be able to generate a url' (ssoService: SSOService) {
    const url = ssoService.generateUrl('1', '2');

    expect(url).to.be.a('string');
  }

  @It 'should be able to generate a unique state and nonce' (ssoService: SSOService) {
    const url1 = ssoService.generateUrl('1', '2');
    const url2 = ssoService.generateUrl('1', '2');

    const url1Hash = this.urlToHashMap(url1);
    const url2Hash = this.urlToHashMap(url2);

    expect(url1).not.to.equal(url2);
    expect(url1Hash.nonce).not.to.equal(url2Hash.nonce);
    expect(url1Hash.state).not.to.equal(url2Hash.state);
  }
}