import { EligibilityStatus, Trinary } from '../common/entities/Enums';
import { PropertyQuestion, PropertyQuestionTree, PropertyQuestionsService, isQuestion } from '../common/services/PropertyQuestionsService';
import { AnalyticsService } from '../common/services/AnalyticsService';
import { LayoutState } from '../common/state/LayoutState';
import { UserDataState } from '../common/state/UserDataState';

export class PropertyQuestionsController implements ng.IController {
  question: PropertyQuestion;

  constructor(private propertyQuestionsService: PropertyQuestionsService, private $state: ng.ui.IStateService, analyticsService: AnalyticsService, userDataState: UserDataState, layoutState: LayoutState, $window: ng.IWindowService) {
    layoutState.title = "Can we install?";
    layoutState.back = () => $window.history.back();

    if (!userDataState.fuel)
      $state.go('^.get-quote');

    analyticsService.push({ event: 'ViewPropertyQuestions' });
    this.handleTree(propertyQuestionsService.getFirstUnansweredQuestion());
  }

  setAnswer(answer: Trinary) {
    this.handleTree(this.propertyQuestionsService.setAnswer(this.question, answer));
  }

  private handleTree(tree: PropertyQuestionTree) {
    if (isQuestion(tree))
      this.question = tree;
    else
      this.$state.go('^.plan-payg');
  }
}