import { DataTableRequest } from '../../models/data-table/DataTableRequest';
import { DataManagementPlanListingModel } from '../../models/data-managemnt-plans/DataManagementPlanListingModel';
import { InvitationComponent } from '../../shared/components/invitation/invitation.component';
import { DataManagementPlanCriteria } from '../../models/criteria/data-management-plan/DataManagementPlanCriteria';
import {
  DataManagementPlanCriteriaComponent,
} from '../../shared/components/criteria/data-management-plan/dmp-criteria.component';
import { DataManagementPlanService } from '../../services/data-management-plan/data-management-plan.service';
import { Component, ViewChild, OnInit, AfterViewInit } from "@angular/core";
import { MatPaginator, MatSort, MatSnackBar, MatDialog } from "@angular/material";
import { Router, ActivatedRoute, ActivatedRouteSnapshot } from "@angular/router";
import { TranslateService } from "@ngx-translate/core";
import { DataSource } from "@angular/cdk/table";
import { Observable } from "rxjs/Observable";
import { DataManagementPlanRoutes } from '../../dmps/dmps.routes';
import { DatasetRoutes } from '../../datasets/dataset.routes';
import { ProjectModel } from '../../models/projects/ProjectModel';
import { IBreadCrumbComponent } from '../../shared/components/breadcrumb/definition/IBreadCrumbComponent';
import { BreadcrumbItem } from '../../shared/components/breadcrumb/definition/breadcrumb-item';
import { JsonSerializer } from '../../utilities/JsonSerializer';



@Component({
  selector: 'app-dmp-listing-component',
  templateUrl: 'dmp-listing.component.html',
  styleUrls: ['./dmp-listing.component.scss'],
})
export class DataManagementPlanListingComponent implements OnInit, IBreadCrumbComponent {



  @ViewChild(MatPaginator) _paginator: MatPaginator;
  @ViewChild(MatSort) sort: MatSort;
  @ViewChild(DataManagementPlanCriteriaComponent) criteria: DataManagementPlanCriteriaComponent;

  breadCrumbs: Observable<BreadcrumbItem[]> = Observable.of([]);
  dataSource: DataManagementPlanDataSource | null;
  displayedColumns: String[] = ['name', 'project', 'creationTime', 'organisations', 'version', 'datasets', 'actions'];
  itemId: string;
  projectId: string;
  showProject: boolean;
  titlePrefix: string;
  constructor(
    private dataManagementPlanService: DataManagementPlanService,
    private router: Router,
    private route: ActivatedRoute,
    private languageService: TranslateService,
    public snackBar: MatSnackBar,
    public dialog: MatDialog
  ) {

  }

  ngOnInit() {
    this.route.params.subscribe(async params => {
      let projectLabel;
      if (params["projectId"]) {
        this.projectId = params["projectId"];
        this.showProject = false;
        let project = new ProjectModel();
        project.id = this.projectId;
        this.criteria.setCriteria({ like: null, projects: [project], groupIds: null, allVersions: false })
        this.refresh();
        projectLabel = this.route.snapshot.queryParams.projectLabel
        this.breadCrumbs = Observable.of([{ parentComponentName: "ProjectEditorComponent", label: projectLabel, url: "/projects/edit/" + this.projectId }])
        this.criteria.setRefreshCallback(() => this.refresh());
      } else {
        this.itemId = params['groupId'];
        this.showProject = true;
        let breadCrumbs = [];

        if (this.itemId) {
          let dmplabel = this.route.snapshot.queryParams.groupLabel
          breadCrumbs.push(
            { parentComponentName: null, label: 'DMPs', url: "/dmps" },
          )
        }
        //else breadCrumbs.push({ parentComponentName: null, label: 'DMPs', url: "/dmps" })
        this.breadCrumbs = Observable.of(breadCrumbs)

        this.criteria.setCriteria(this.getDefaultCriteria());
        this.refresh();
        this.criteria.setRefreshCallback(() => this.refresh());
      }

      if (this.projectId != null)
        if (projectLabel != undefined)
          this.titlePrefix = "for " + projectLabel;
    })

  }

  refresh() {
    this.dataSource = new DataManagementPlanDataSource(this.dataManagementPlanService, this._paginator, this.sort, this.languageService, this.snackBar, this.criteria, this.itemId);
  }

  rowClick(rowId: String) {
    this.router.navigate(['/dmps/edit/' + rowId]);
  }

  addDataset(rowId: String) {
    this.router.navigate(['/datasets/new/' + rowId]);
  }

  showDatasets(rowId: String, rowLabel: String) {
    this.router.navigate(['/datasets/dmp/' + rowId, { dmpLabel: rowLabel }]);
  }

  viewVersions(rowId: String, rowLabel: String) {
    this.router.navigate(['/dmps/viewversions/' + rowId], { queryParams: { groupLabel: rowLabel } });
  }

  getDefaultCriteria(): DataManagementPlanCriteria {
    const defaultCriteria = new DataManagementPlanCriteria();
    return defaultCriteria;
  }

  openShareDialog(rowId: any, rowName: any) {
    let dialogRef = this.dialog.open(InvitationComponent, {
      height: '200px',
      width: '700px',
      data: {
        dmpId: rowId,
        dmpName: rowName
      }
    });
  }
}

export class DataManagementPlanDataSource extends DataSource<DataManagementPlanListingModel> {

  totalCount = 0;
  isLoadingResults = false;
  constructor(
    private _service: DataManagementPlanService,
    private _paginator: MatPaginator,
    private _sort: MatSort,
    private _languageService: TranslateService,
    private _snackBar: MatSnackBar,
    private _criteria: DataManagementPlanCriteriaComponent,
    private itemId
  ) {
    super();
  }

  connect(): Observable<DataManagementPlanListingModel[]> {
    const displayDataChanges = [
      this._paginator.page
    ];

    return Observable.merge(...displayDataChanges)
      .startWith(null)
      .switchMap(() => {
        setTimeout(() => {
          this.isLoadingResults = true;
        });
        const startIndex = this._paginator.pageIndex * this._paginator.pageSize;
        let fields: Array<string> = new Array()
        if (this._sort.active) fields = this._sort.direction === "asc" ? ["+" + this._sort.active] : ["-" + this._sort.active];
        const request = new DataTableRequest<DataManagementPlanCriteria>(startIndex, this._paginator.pageSize, { fields: fields });
        request.criteria = this._criteria.formGroup.value;
        if (this.itemId) {
          request.criteria.groupIds = [this.itemId];
          request.criteria.allVersions = true;
        }
        return this._service.getPaged(request);
      })
      /*.catch((error: any) => {
        this._snackBar.openFromComponent(SnackBarNotificationComponent, {
          data: { message: 'GENERAL.SNACK-BAR.FORMS-BAD-REQUEST', language: this._languageService },
          duration: 3000,
          extraClasses: ['snackbar-warning']
        });
        return Observable.of(null);
      })*/
      .map(result => {
        result.data = JsonSerializer.fromJSONArray(result.data, DataManagementPlanListingModel)
        return result;
      })
      .map(result => {
        setTimeout(() => {
          this.isLoadingResults = false;
        });
        return result;
      })
      .map(result => {
        if (!result) { return []; }
        if (this._paginator.pageIndex === 0) { this.totalCount = result.totalCount; }
        return result.data.map(item => {
          item["datasets"].map(dmp => {
            dmp.url = "datasets/edit/" + dmp.url;
            dmp.all = "datasets/dmp/" + item.id
            return dmp;
          })
          return item;
        });
      });
  }

  disconnect() {
  }
}