import { CurrencyPipe } from '@angular/common';
import { Component, OnInit, ViewChild } from '@angular/core';
import { FormControl, FormGroup, ReactiveFormsModule } from '@angular/forms';
import { MatAnchor } from '@angular/material/button';
import { MatCard, MatCardHeader, MatCardTitleGroup, MatCardTitle, MatCardContent } from '@angular/material/card';
import { MatOption } from '@angular/material/core';
import { MatFormField, MatLabel } from '@angular/material/form-field';
import { MatIcon } from '@angular/material/icon';
import { MatSelectChange, MatSelect } from '@angular/material/select';
import {
  MatTable,
  MatColumnDef,
  MatHeaderCellDef,
  MatHeaderCell,
  MatCellDef,
  MatCell,
  MatHeaderRowDef,
  MatHeaderRow,
  MatRowDef,
  MatRow,
} from '@angular/material/table';
import { ActivatedRoute, Router, RouterLink } from '@angular/router';
import { BehaviorSubject } from 'rxjs';

import { Modifier } from '../../core/modifier';
import { ModifierCategory } from '../../core/modifier-category';

import { ModifierListDataSource } from './modifier-list-datasource';

@Component({
  selector: 'app-modifier-list',
  templateUrl: './modifier-list.component.html',
  styleUrls: ['./modifier-list.component.css'],
  imports: [
    MatCard,
    MatCardHeader,
    MatCardTitleGroup,
    MatCardTitle,
    MatAnchor,
    RouterLink,
    MatIcon,
    MatCardContent,
    ReactiveFormsModule,
    MatFormField,
    MatLabel,
    MatSelect,
    MatOption,
    MatTable,
    MatColumnDef,
    MatHeaderCellDef,
    MatHeaderCell,
    MatCellDef,
    MatCell,
    MatHeaderRowDef,
    MatHeaderRow,
    MatRowDef,
    MatRow,
    CurrencyPipe,
  ],
})
export class ModifierListComponent implements OnInit {
  @ViewChild('table', { static: true }) table?: MatTable<Modifier>;
  filter = new BehaviorSubject<string>('');
  data: BehaviorSubject<Modifier[]> = new BehaviorSubject<Modifier[]>([]);
  dataSource: ModifierListDataSource = new ModifierListDataSource(this.filter, this.data);
  form: FormGroup<{
    modifierCategory: FormControl<string | null>;
  }>;

  list: Modifier[] = [];
  modifierCategories: ModifierCategory[] = [];
  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
  displayedColumns: string[] = ['name', 'showInBill', 'price', 'isActive', 'modifierCategory'];

  constructor(
    private route: ActivatedRoute,
    private router: Router,
  ) {
    this.form = new FormGroup({
      modifierCategory: new FormControl<string | null>(''),
    });
    this.data.subscribe((data: Modifier[]) => {
      this.list = data;
    });
  }

  filterOn(val: MatSelectChange) {
    this.filter.next(val.value);
  }

  ngOnInit() {
    this.route.data.subscribe((value) => {
      const data = value as { list: Modifier[]; modifierCategories: ModifierCategory[] };
      this.data.next(data.list);
      this.modifierCategories = data.modifierCategories;
    });
    this.dataSource = new ModifierListDataSource(this.filter, this.data);
  }
}