import { Component, ViewChild } from '@angular/core';
import { MatTableDataSource } from '@angular/material/table';
import { MatPaginator } from '@angular/material/paginator';
import { MatTableModule } from '@angular/material/table';
import { MatInputModule } from '@angular/material/input';
import { MatFormFieldModule } from '@angular/material/form-field';

export interface Element {
  position: number;
  name: string;
  weight: number;
  symbol: string;
}

const ELEMENT_DATA: Element[] = [
  { position: 1, name: 'Hydrogen', weight: 1.0079, symbol: 'H' },
  { position: 2, name: 'Helium', weight: 4.0026, symbol: 'He' },
  { position: 3, name: 'Lithium', weight: 6.941, symbol: 'Li' },
  { position: 4, name: 'Beryllium', weight: 9.0122, symbol: 'Be' },
  { position: 5, name: 'Boron', weight: 10.811, symbol: 'B' },
  { position: 6, name: 'Carbon', weight: 12.0107, symbol: 'C' },
  { position: 7, name: 'Nitrogen', weight: 14.0067, symbol: 'N' },
  { position: 8, name: 'Oxygen', weight: 15.9994, symbol: 'O' },
  { position: 9, name: 'Fluorine', weight: 18.9984, symbol: 'F' },
  { position: 10, name: 'Neon', weight: 20.1797, symbol: 'Ne' },
];

@Component({
  selector: 'bgui-utilisateurs',
  standalone: true,
  imports: [MatPaginator, MatTableModule, MatFormFieldModule, MatInputModule],
  templateUrl: './utilisateurs.component.html',
  styleUrl: './utilisateurs.component.scss',
})
export class UtilisateursComponent {
  displayedColumns: string[] = ['position', 'name', 'weight', 'symbol'];
  dataSource = new MatTableDataSource<Element>(ELEMENT_DATA);

  @ViewChild(MatPaginator) paginator!: MatPaginator;

  ngAfterViewInit() {
    if (this.paginator) {
      this.dataSource.paginator = this.paginator;
    }
  }

  applyFilter(event: Event) {
    const filterValue = (event.target as HTMLInputElement).value;
    this.dataSource.filter = filterValue.trim().toLowerCase();
  }
}