import { Pipe, PipeTransform } from '@angular/core';
import { BudgetDetail, BudgetFundingSource } from '@core/typings/budget.typing';
import { ProcessingTypes } from '@core/typings/payment.typing';

@Pipe({
  name: 'gcValidateRemoveFundingSource'
})
export class ValidateRemoveFundingSourcePipe implements PipeTransform {

  transform (
    row: BudgetFundingSource,
    error: 'paymentsAgainst'|'processorType',
    budget?: BudgetDetail,
    processor?: ProcessingTypes
  ) {
    switch (error) {
      case 'paymentsAgainst':
        return row.numberOfPayments > 0;
      case 'processorType':
        if (
          budget.isUsedByClientProcessingType &&
          ((processor === ProcessingTypes.Client))
        ) {
          const validBFS = budget.budgetFundingSources.filter((bfs) => {
            return bfs.processingTypeId === ProcessingTypes.Client;
          });

          return (row.processingTypeId === ProcessingTypes.Client) &&
            (validBFS.length < 2);
        } else if (
          budget.isUsedByYCProcessingType &&
          ((processor === ProcessingTypes.YourCause))
        ) {
          const validBFS = budget.budgetFundingSources.filter((bfs) => {
            return bfs.processingTypeId === ProcessingTypes.YourCause;
          });

          return (row.processingTypeId === ProcessingTypes.YourCause) &&
            (validBFS.length < 2);
        } else {
          return false;
        }
      default:
        return false;
    }
  }
}