import { Component, ViewChild, OnInit, AfterViewInit, ViewEncapsulation } from "@angular/core";
import { MatPaginator, MatSort, MatSnackBar, MatDialog, MatChipList, MatChip } from "@angular/material";
import { Router, ActivatedRoute, Params } from "@angular/router";
import { TranslateService } from "@ngx-translate/core";
import { DataSource } from "@angular/cdk/table";
import { Observable } from "rxjs/Observable";
import { JsonSerializer } from "../../utilities/JsonSerializer";
import { FormGroup, FormControl } from "@angular/forms";
import { SnackBarNotificationComponent } from "../../shared/components/notificaiton/snack-bar-notification.component";
import { BaseErrorModel } from "../../models/error/BaseErrorModel";
import { DataManagementPlanService } from "../../services/data-management-plan/data-management-plan.service";
import { DataManagementPlanModel } from "../../models/data-managemnt-plans/DataManagementPlanModel";
import { ExternalSourcesService } from "../../services/external-sources/external-sources.service";
import { ExternalSourcesItemModel } from "../../models/external-sources/ExternalSourcesItemModel";
import { RequestItem } from "../../models/criteria/RequestItem";
import { DatasetProfileCriteria } from "../../models/criteria/dataset/DatasetProfileCriteria";
import { DataManagementPlanCriteriaComponent } from "../../shared/components/criteria/data-management-plan/dmp-criteria.component";
import { DatasetProfileModel } from "../../models/datasets/DatasetProfileModel";
import { AutoCompleteConfiguration } from "../../shared/components/autocomplete/AutoCompleteConfiguration";
import { ProjectCriteria } from "../../models/criteria/project/ProjectCriteria";
import { ProjectService } from "../../services/project/project.service";
import { DmpUsersModel } from "../../models/dmpUsers/DmpUsersModel";
import { AddResearchersComponent } from "../../shared/components/add-researchers/add-researchers.component";
import { ViewContainerRef } from '@angular/core';
import { TdDialogService } from '@covalent/core';
import { AvailableProfilesComponent } from "../../shared/components/available-profiles/available-profiles.component";
import { AutoCompleteChipConfiguration } from "../../shared/components/autocompleteChips/AutoCompleteChipConfiguration";
import { BaseCriteria } from "../../models/criteria/BaseCriteria";
import { DataManagementPlanProfileService } from "../../services/data-management-plan-profile/datamanagement-profile.service";
import { DataManagementPlanProfileListingModel } from "../../models/data-management-plan-profile/DataManagementPlanProfileListingModel";
import { DataManagementPlanProfileCriteria } from "../../models/criteria/dmp-profile/DataManagementPlanProfileCriteria";
import { DataManagementPlanProfile } from "../../models/data-management-plan-profile/DataManagementPlanProfile";
import { LanguageResolverService } from "../../services/language-resolver/language-resolver.service";
import { IBreadCrumbComponent } from "../../shared/components/breadcrumb/definition/IBreadCrumbComponent";
import { BreadcrumbItem } from "../../shared/components/breadcrumb/definition/breadcrumb-item";

@Component({
  selector: 'app-dmp-editor-component',
  templateUrl: 'dmp-editor.component.html',
  styleUrls: ['./dmp-editor.component.scss'],
  encapsulation: ViewEncapsulation.None
})
export class DataManagementPlanEditorComponent implements AfterViewInit, IBreadCrumbComponent {


  breadCrumbs: Observable<BreadcrumbItem[]>;
  isNew = true;
  textCtrl = new FormControl();
  dataManagementPlan: DataManagementPlanModel;
  formGroup: FormGroup = null;

  filteringOrganisationsAsync: boolean = false;
  filteringResearchersAsync: boolean = false;
  filteredProfilesAsync: boolean = false;
  filteredOrganisations: ExternalSourcesItemModel[];
  filteredResearchers: ExternalSourcesItemModel[];
  filteredProfiles: DatasetProfileModel[];

  projectAutoCompleteConfiguration: AutoCompleteConfiguration;
  organisationsAutoCompleteConfiguration: AutoCompleteChipConfiguration;
  createNewVersion;
  associatedUsers: Array<DmpUsersModel>
  filteredOptions: Observable<DataManagementPlanProfileListingModel>

  constructor(
    private dmpProfileService: DataManagementPlanProfileService,
    private dataManagementPlanService: DataManagementPlanService,
    private projectService: ProjectService,
    private externalSourcesService: ExternalSourcesService,
    private route: ActivatedRoute,
    public snackBar: MatSnackBar,
    public router: Router,
    public language: TranslateService,
    private _service: DataManagementPlanService,
    public dialog: MatDialog,
    private _dialogService: TdDialogService,
    private _viewContainerRef: ViewContainerRef,
    private languageResolverService: LanguageResolverService
  ) {
    this.filteredOptions = dmpProfileService.getAll({ criteria: new DataManagementPlanProfileCriteria() });
  }

  ngAfterViewInit() {
    this.route.params.subscribe((params: Params) => {
      const itemId = params['id'];

      let projectRequestItem: RequestItem<ProjectCriteria> = new RequestItem();
      projectRequestItem.criteria = new ProjectCriteria();
      let organisationRequestItem: RequestItem<BaseCriteria> = new RequestItem();
      organisationRequestItem.criteria = new BaseCriteria();
      this.projectAutoCompleteConfiguration = new AutoCompleteConfiguration(this.projectService.getWithExternal.bind(this.projectService), projectRequestItem);
      this.organisationsAutoCompleteConfiguration = new AutoCompleteChipConfiguration(this.externalSourcesService.searchDMPOrganizations.bind(this.externalSourcesService), organisationRequestItem);

      if (itemId != null) {
        this.isNew = false;
        this.dataManagementPlanService.getSingle(itemId).map(data => data as DataManagementPlanModel)
          .subscribe(async data => {
            this.dataManagementPlan = JsonSerializer.fromJSONObject(data, DataManagementPlanModel);
            this.formGroup = this.dataManagementPlan.buildForm();
            if (this.formGroup.get("profile") && this.formGroup.get("profile").value) {
              this.textCtrl.patchValue(this.formGroup.get("profile").value);
            }
            this.breadCrumbs = Observable.of([
              {
                parentComponentName: "DataManagementPlanListingComponent",
                label: 'DMPs',
                url: "dmps",
                notFoundResolver: [await this.projectService.getSingle(this.dataManagementPlan.project.id).map(x => ({ label: x.label, url: '/projects/edit/' + x.id }) as BreadcrumbItem).toPromise()]
              },
              {
                parentComponentName: null,
                label: this.dataManagementPlan.label,
                url: "/dmps/edit/" + this.dataManagementPlan.id
              }]
            )
            this.associatedUsers = data.associatedUsers;
          });
      } else {
        this.dataManagementPlan = new DataManagementPlanModel();
        setTimeout(() => {
          this.formGroup = this.dataManagementPlan.buildForm();
          if (this.formGroup.get("profile") && this.formGroup.get("profile").value) {
            this.textCtrl.patchValue(this.formGroup.get("profile").value);
          }
        });
      }

    });
    this.route
      .queryParams
      .subscribe(params => {
        this.createNewVersion = params["clone"];
      });
  }

  formSubmit(): void {
    //this.touchAllFormFields(this.formGroup);
    if (!this.isFormValid()) { return; }
    this.onSubmit();
  }

  public isFormValid() {
    return this.formGroup.valid;
  }

  onSubmit(): void {
    this.dataManagementPlanService.createDataManagementPlan(this.formGroup.value).subscribe(
      complete => this.onCallbackSuccess(),
      error => this.onCallbackError(error)
    )
  }

  onCallbackSuccess(): void {
    this.snackBar.openFromComponent(SnackBarNotificationComponent, {
      data: { message: this.isNew ? 'GENERAL.SNACK-BAR.SUCCESSFUL-CREATION' : 'GENERAL.SNACK-BAR.SUCCESSFUL-UPDATE', language: this.language },
      duration: 3000,
    })
    this.router.navigate(['/dmps']);
  }

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

  public setErrorModel(errorModel: BaseErrorModel) {
    Object.keys(errorModel).forEach(item => {
      (<any>this.dataManagementPlan.errorModel)[item] = (<any>errorModel)[item];
    })
  }

  public cancel(): void {
    this.router.navigate(['/dmps']);
  }

  public invite(): void {
    this.router.navigate(['/invite/' + this.dataManagementPlan.id]);
  }

  filterOrganisations(value: string): void {

    this.filteredOrganisations = undefined;
    if (value) {
      this.filteringOrganisationsAsync = true;

      this.externalSourcesService.searchDMPOrganizations(value).subscribe(items => {
        this.filteredOrganisations = items;
        this.filteringOrganisationsAsync = false;

        // this.filteredOrganisations = items.filter((filteredObj: any) => {
        //   return this.objectsModel ? this.objectsModel.indexOf(filteredObj) < 0 : true;
        // });

      });

    }
  }

  filterResearchers(value: string): void {

    this.filteredResearchers = undefined;
    if (value) {
      this.filteringResearchersAsync = true;

      this.externalSourcesService.searchDMPResearchers({ criteria: { name: value, like: null } }).subscribe(items => {
        this.filteredResearchers = items;
        this.filteringResearchersAsync = false;

      });
    }
  }

  filterProfiles(value: string): void {

    this.filteredProfiles = undefined;
    if (value) {
      this.filteredProfilesAsync = true;

      const request = new RequestItem<DatasetProfileCriteria>();
      let criteria = new DatasetProfileCriteria();
      criteria.like = value;
      request.criteria = criteria;
      this._service.searchDMPProfiles(request).subscribe(items => {
        this.filteredProfiles = items;
        this.filteredProfilesAsync = false;
      });
    }
  }

  addResearcher(rowId: any, rowName: any) {
    let dialogRef = this.dialog.open(AddResearchersComponent, {
      height: '255px',
      width: '700px',
      data: {
        dmpId: rowId,
        dmpName: rowName
      }
    });

  }

  availableProfiles() {
    let dialogRef = this.dialog.open(AvailableProfilesComponent, {
      height: '355px',
      width: '700px',
      data: {

      }
    });
    dialogRef.afterClosed().subscribe(result => {
      this.formGroup.get("profiles").setValue(result);
    });

    return false;
  }

  openConfirm(dmpLabel, id): void {
    this._dialogService.openConfirm({
      message: 'Are you sure you want to delete the "' + dmpLabel + '"',
      disableClose: true || false, // defaults to false
      viewContainerRef: this._viewContainerRef, //OPTIONAL
      title: 'Confirm', //OPTIONAL, hides if not provided
      cancelButton: 'No', //OPTIONAL, defaults to 'CANCEL'
      acceptButton: 'Yes' //OPTIONAL, defaults to 'ACCEPT'
      // width: '500px', //OPTIONAL, defaults to 400px
    }).afterClosed().subscribe((accept: boolean) => {
      if (accept) {
        this.dataManagementPlanService.delete(id).subscribe(() => {
          this.router.navigate(['/dmps'])
        });
      } else {
        // DO SOMETHING ELSE
      }
    });
  }


  selectOption(option: any) {
    this.dataManagementPlan.definition = null;
    this.formGroup.get("profile").patchValue(option, { emitEvent: false })
    this.dmpProfileService.getSingle(option.id).subscribe(result => {
      this.dataManagementPlan.definition = result.definition;
    })
  }

  displayWith(item: any) {
    if (!item) return null;
    return item["label"];
  }

  redirectToProject() {
    this.router.navigate(["projects/edit/" + this.dataManagementPlan.project.id])
  }

  redirectToDatasets() {
    this.router.navigate(["datasets/dmp/" + this.dataManagementPlan.id])
  }

  newVersion(id: String, label: String) {
    this.router.navigate(['/dmps/new_version/' + id, { dmpLabel: label }]);
  }

  clone(id: String) {
    this.router.navigate(['/dmps/clone/' + id]);
  }

}