import { Injectable } from '@angular/core';
import { CURRENCY_SERVICE_MOCK } from '@core/mocks/currency.service.mock';
import { GCMockModule } from '@core/mocks/gc-module.mock';
import { CurrencySetting } from '@core/typings/api/admin-client.typing';
import { CurrencyRadioOptions } from '@yourcause/common/masking';
import { BeforeEach, Spec, TestCase } from '@yourcause/test-decorators';
import { DescribeAngularService } from '@yourcause/test-decorators/angular';
import { expect } from 'chai';
import { CurrencyService } from './currency.service';

@Injectable({ providedIn: 'root' })
@DescribeAngularService(CurrencyService, {
  imports: [
    GCMockModule
  ],
  providers: [
    CURRENCY_SERVICE_MOCK
  ]
})
export class CurrencyServiceSpec implements Spec<CurrencyServiceSpec, CurrencyService> {
  selectedCurrencies: CurrencySetting[] = [{
    code: 'EUR',
    displayName: 'EUR',
    default: false
  }, {
    code: 'USD',
    displayName: 'USD',
    default: true
  }];


  @BeforeEach()
  async mock (service: CurrencyService) {
    service['clientSettingsService'].setAllCurrencies();
    service['clientSettingsService']['clientSettingsResources'].getAvailableApplicantCurrencies = async () => {
      return this.selectedCurrencies;
    };
    service['clientSettingsService']['clientSettingsResources'].getSelectedCurrencies = async () => {
      return this.selectedCurrencies;
    };
    service['clientSettingsService']['userService'].setLastSelectedCurrency('INR');
    await service['clientSettingsService'].setCurrencySettings();
    await service['clientSettingsService'].setAvailableApplicantCurrencies(1);
  }

  @TestCase('should be able to get currency options from component - as manager')
  getCurrencyOptionsForComponentAsManager (service: CurrencyService) {
    const options = service.getCurrencyOptionsForComponent('EUR', CurrencyRadioOptions.USE_ANY_CURRENCY, '');
    const hasCorrectOptions = options.every((opt) => {
      return opt.value === 'USD' ||
        opt.value === 'EUR';
    });
    expect(hasCorrectOptions).to.be.true;
    const optionsAreSorted = options[0].label === 'EUR';
    expect(optionsAreSorted).to.be.true;
  }

  @TestCase('should be able to get currency options from component - as applicant')
  getCurrencyOptionsForComponentAsApplicant (service: CurrencyService) {
    const options = service.getCurrencyOptionsForComponent('CAD', CurrencyRadioOptions.USE_ANY_CURRENCY, '');
    const addedMyOption = options.some((opt) => {
      return  opt.value === 'CAD';
    });
    expect(addedMyOption).to.be.true;
    const optionsAreSorted = options[0].label === 'CAD';
    expect(optionsAreSorted).to.be.true;
  }

  @TestCase('should be able to get currency options from component - no currencies')
  async getCurrencyOptionsForComponentNoCurrencies (service: CurrencyService) {
    service['clientSettingsService']['clientSettingsResources'].getSelectedCurrencies = async () => {
      return [];
    };
    await service['clientSettingsService'].setCurrencySettings();
    const options = service.getCurrencyOptionsForComponent('', CurrencyRadioOptions.USE_ANY_CURRENCY, '');
    const hasOnlyUsd = options.length === 1 && options[0].value === 'USD';
    expect(hasOnlyUsd).to.be.true;
  }

  @TestCase('should be able to get currency options from component - custom currency')
  async getCurrencyOptionsForComponentCustomCurrency (service: CurrencyService) {
    const options = service.getCurrencyOptionsForComponent('CAD', CurrencyRadioOptions.USE_ONE_CURRENCY, '');
    const addedMyOption = options.some((opt) => {
      return  opt.value === 'CAD';
    });
    expect(addedMyOption).to.be.true;
    const optionsAreSorted = options[0].label === 'CAD';
    expect(optionsAreSorted).to.be.true;
  }
}