import { Pipe, PipeTransform } from '@angular/core';
import { ApplicationStatuses } from '@core/typings/status.typing';

@Pipe({
  name: 'gcApplicationSlatActions'
})
export class ApplicationSlatActionsPipe implements PipeTransform {
  ApplicationStatuses = ApplicationStatuses;

  transform (
    status: ApplicationStatuses,
    hasOpenCycle: boolean,
    isDraft: boolean,
    hasAwards: boolean,
    allowCollaboration: boolean,
    programIsInvitationOnly: boolean,
    item: 'cancel'|'manageApplicants'|'copy'|'delete'|'dropdown'
  ) {
    const manageApplicants = allowCollaboration &&
      status !== ApplicationStatuses.Canceled;
    const copyApplication = hasOpenCycle && !isDraft && !programIsInvitationOnly;
    const deleteApplication = isDraft;
    const cancelApplication = !hasAwards &&
      ![
        ApplicationStatuses.Canceled,
        ApplicationStatuses.Declined,
        ApplicationStatuses.Draft
      ].includes(status);

    switch (item) {
      case 'cancel':
        return cancelApplication;
      case 'manageApplicants':
        return manageApplicants;
      case 'delete':
        return deleteApplication;
      case 'copy':
        return copyApplication;
      default:
      case 'dropdown':
        return cancelApplication ||
          manageApplicants ||
          deleteApplication ||
          copyApplication;
    }
  }
}