import { Pipe, PipeTransform } from '@angular/core';
import { CurrencyService } from '@core/services/currency.service';
import { Payment } from '@core/typings/payment.typing';
import { AwardService } from '@features/awards/award.service';
import { ClientSettingsService } from '@features/client-settings/client-settings.service';

@Pipe({
  name: 'gcPaymentSum'
})
export class PaymentSumPipe implements PipeTransform {

  constructor (
    private awardService: AwardService,
    private clientSettingsService: ClientSettingsService,
    private currencyService: CurrencyService
  ) { }

  transform (
    payments: Partial<Payment>[],
    returnDefault = true,
    currencyRequested = this.clientSettingsService.defaultCurrency,
    showCurrencyAtEnd = false
  ) {
    const total = this.awardService.sumPayments(
      payments,
      returnDefault
    );
    const currency = returnDefault ?
      this.clientSettingsService.defaultCurrency :
      currencyRequested;

    return this.currencyService.formatMoney(total, currency) +
      (showCurrencyAtEnd ? ` ${ currency}` : '');
  }
}