import { Pipe, PipeTransform } from '@angular/core';
import { AutomationBuilderModalTabType } from '../program-automation.typing';
export enum AutomationModalFooterButtonType {
  Previous = 1,
  Next = 2,
  SaveAndClose = 3,
  SaveAndPublish = 4,
  NewRoute = 5,
  EvaluationOrder = 6
}

@Pipe({name: 'gcIsProgramAutomationButtonDisabled'})
export class ProgramAutomationModalFooterButtonPipe implements PipeTransform {

  transform (
    activeTabType: AutomationBuilderModalTabType,
    buttonType: AutomationModalFooterButtonType,
    nextTabDisabled: boolean,
    tabValidityMap: Record<AutomationBuilderModalTabType, boolean>,
    isDraft: boolean,
    numberOfRulesets: number
  ): boolean {
    const onDetailsTab = activeTabType === AutomationBuilderModalTabType.Details;
    const onRulesTab = activeTabType === AutomationBuilderModalTabType.Rules;
    const detailsValid = tabValidityMap[AutomationBuilderModalTabType.Details];
    const rulesValid = tabValidityMap[AutomationBuilderModalTabType.Rules];
    const fallbackValid = tabValidityMap[AutomationBuilderModalTabType.Fallback_Program];
    switch (buttonType) {
      case AutomationModalFooterButtonType.Previous:
        return onDetailsTab || (onRulesTab && !rulesValid);
      case AutomationModalFooterButtonType.Next:
        return nextTabDisabled;
      case AutomationModalFooterButtonType.SaveAndClose:
        if (!detailsValid) {
          return true;
        }
        if (!isDraft) {
          return !rulesValid || !fallbackValid;
        } else if (onRulesTab) {
          return !rulesValid;
        }

        return false;
      case AutomationModalFooterButtonType.SaveAndPublish:
        return !detailsValid || !rulesValid || !fallbackValid;
      case AutomationModalFooterButtonType.NewRoute:
        return !rulesValid && numberOfRulesets !== 0;
      case AutomationModalFooterButtonType.EvaluationOrder:
        return !rulesValid || numberOfRulesets <= 1;
    }
  }
}