import { TranslateService } from '@ngx-translate/core';
import { Component, OnInit, Input } from '@angular/core';
import { FormControl, FormGroup, FormBuilder, Validators } from '@angular/forms';
import { BaseCriteriaComponent } from '../base/base-criteria.component';
import { ValidationContext, Validation } from '../../../../utilities/validators/ValidationContext';
import { BackendErrorValidator } from '../../../../utilities/validators/BackendErrorValidator';
import { DataManagementPlanCriteria } from '../../../../models/criteria/data-management-plan/DataManagementPlanCriteria';
import { DataManagementPlanCriteriaErrorModel } from '../../../../models/criteria/data-management-plan/DataManagementPlanCriteriaErrorModel';
import { ProjectModel } from '../../../../models/projects/ProjectModel';
import { ProjectService } from '../../../../services/project/project.service';
import { ProjectCriteria } from '../../../../models/criteria/project/ProjectCriteria';
import { RequestItem } from '../../../../models/criteria/RequestItem';
import { create } from 'domain';

@Component({
  selector: 'app-dmp-criteria-component',
  templateUrl: './dmp-criteria.component.html',
  styleUrls: ['./dmp-criteria.component.scss'],
})

export class DataManagementPlanCriteriaComponent extends BaseCriteriaComponent implements OnInit {

  @Input()
  showProject: boolean;
  public criteria: DataManagementPlanCriteria = new DataManagementPlanCriteria();
  filteringProjectsAsync: boolean = false;
  filteredProjects: ProjectModel[];

  constructor(
    public language: TranslateService,
    public projectService: ProjectService,
    public formBuilder: FormBuilder
  ) {
    super(new DataManagementPlanCriteriaErrorModel());
  }

  ngOnInit() {
    super.ngOnInit();
    if (this.criteria == null) { this.criteria = new DataManagementPlanCriteria(); }
  }

  setCriteria(criteria: DataManagementPlanCriteria): void {
    this.criteria = criteria;
  }

  onCallbackError(error: any) {
    this.setErrorModel(error.error);
  }

  controlModified(): void {
    this.clearErrorModel();
    if (this.refreshCallback != null &&
      (this.criteria.like == null || this.criteria.like.length == 0 || this.criteria.like.length > 2)
    ) {
      this.refreshCallback();
    }
  }

  filterProjects(value: string): void {

    this.filteredProjects = undefined;
    if (value) {
      this.filteringProjectsAsync = true;

      let requestItem: RequestItem<ProjectCriteria> = new RequestItem();
      let criteria: ProjectCriteria = new ProjectCriteria();
      criteria.like = value;
      requestItem.criteria = criteria;
      this.projectService.get(requestItem).subscribe(items => {
        this.filteredProjects = items;
        this.filteringProjectsAsync = false;        
      });
    }
  }
}