import { Component, OnInit, ViewChildren, QueryList, Input } from '@angular/core';
import { FeatureCollection, Feature } from '../../models/layer-type';
import { SortableHeaderDirective, SortEvent } from 'src/app/directives/sortable-header.directive';
import { Observable } from 'rxjs';
import { TableViewDataService } from 'src/app/services/table-view-data.service';
import { Structure } from 'src/app/models/structure';

@Component({
  selector: 'app-table-view',
  templateUrl: './table-view.component.html',
  styleUrls: ['./table-view.component.css'],
})
export class TableViewComponent implements OnInit {
  /** */
  public structures$: Observable<Structure[]>;

  /** */
  public featureCollection: FeatureCollection;

  /** */
  public uuid: string;

  /** Pour la pagination */
  public features$: Observable<Feature[]>;
  public total$: Observable<number>;

  /** Pour le tri */
   @ViewChildren(SortableHeaderDirective) headers: QueryList<SortableHeaderDirective>;

  /** */
  constructor(
    public tableViewData: TableViewDataService,
  ) {
    this.features$ = this.tableViewData.getFeatures$();
    this.structures$ = this.tableViewData.getStructures$();
    this.total$ = this.tableViewData.getTotal$();
  }

  /** */
  ngOnInit(): void {
    this.tableViewData.searchFromUrlParam();
  }

  onSort({column, direction}: SortEvent): void {
    // resetting other headers
    this.headers.forEach(header => {
      if (header.appSortable !== column) {
        header.direction = '';
      }
    });

    this.tableViewData.sortColumn = column;
    this.tableViewData.sortDirection = direction;
  }
}