import { AfterViewInit, Component, ElementRef, OnInit, ViewChild } from '@angular/core';
import { FormArray, FormControl, FormGroup } from '@angular/forms';
import { MatDialog } from '@angular/material/dialog';
import { ActivatedRoute, Router } from '@angular/router';

import { ToasterService } from '../../core/toaster.service';
import { ConfirmDialogComponent } from '../../shared/confirm-dialog/confirm-dialog.component';
import { Role } from '../role';
import { RoleService } from '../role.service';

@Component({
  selector: 'app-role-detail',
  templateUrl: './role-detail.component.html',
  styleUrls: ['./role-detail.component.css'],
})
export class RoleDetailComponent implements OnInit, AfterViewInit {
  @ViewChild('nameElement', { static: true }) nameElement?: ElementRef;
  form: FormGroup<{
    name: FormControl<string | null>;
    permissions: FormArray<
      FormGroup<{
        permission: FormControl<boolean>;
      }>
    >;
  }>;

  item: Role = new Role();

  constructor(
    private route: ActivatedRoute,
    private router: Router,
    private toaster: ToasterService,
    private dialog: MatDialog,
    private ser: RoleService,
  ) {
    this.form = new FormGroup({
      name: new FormControl<string | null>(null),
      permissions: new FormArray<FormGroup<{ permission: FormControl<boolean> }>>([]),
    });
  }

  ngOnInit() {
    this.route.data.subscribe((value) => {
      const data = value as { item: Role };
      this.item = data.item;

      this.form.controls.name.setValue(this.item.name);
      this.form.controls.permissions.reset();
      this.item.permissions.forEach((x) =>
        this.form.controls.permissions.push(
          new FormGroup({
            permission: new FormControl<boolean>(x.enabled, { nonNullable: true }),
          }),
        ),
      );
    });
  }

  ngAfterViewInit() {
    setTimeout(() => {
      if (this.nameElement) {
        this.nameElement.nativeElement.focus();
      }
    }, 0);
  }

  save() {
    this.ser.saveOrUpdate(this.getItem()).subscribe(
      () => {
        this.toaster.show('Success', '');
        this.router.navigateByUrl('/roles');
      },
      (error) => {
        this.toaster.show('Danger', error);
      },
    );
  }

  delete() {
    this.ser.delete(this.item.id as string).subscribe(
      () => {
        this.toaster.show('Success', '');
        this.router.navigateByUrl('/roles');
      },
      (error) => {
        this.toaster.show('Danger', error);
      },
    );
  }

  confirmDelete(): void {
    const dialogRef = this.dialog.open(ConfirmDialogComponent, {
      width: '250px',
      data: { title: 'Delete Role?', content: 'Are you sure? This cannot be undone.' },
    });

    dialogRef.afterClosed().subscribe((result: boolean) => {
      if (result) {
        this.delete();
      }
    });
  }

  getItem(): Role {
    const formModel = this.form.value;
    this.item.name = formModel.name!;
    const array = this.form.controls.permissions;
    this.item.permissions.forEach((item, index) => {
      item.enabled = array.controls[index].value.permission!;
    });
    return this.item;
  }
}