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

import { Account } from '../../core/account';
import { AccountType } from '../../core/account-type';
import { AccountService } from '../../core/account.service';
import { CostCentre } from '../../core/cost-centre';
import { ToasterService } from '../../core/toaster.service';
import { ConfirmDialogComponent } from '../../shared/confirm-dialog/confirm-dialog.component';

@Component({
  selector: 'app-account-detail',
  templateUrl: './account-detail.component.html',
  styleUrls: ['./account-detail.component.css'],
})
export class AccountDetailComponent implements OnInit, AfterViewInit {
  @ViewChild('nameElement', { static: true }) nameElement?: ElementRef;
  form: FormGroup<{
    code: FormControl<number | string>;
    name: FormControl<string | null>;
    type: FormControl<any>;
    isActive: FormControl<boolean>;
    isReconcilable: FormControl<boolean>;
    costCentre: FormControl<string | null>;
  }>;

  accountTypes: AccountType[] = [];
  costCentres: CostCentre[] = [];
  item: Account = new Account();

  constructor(
    private route: ActivatedRoute,
    private router: Router,
    private dialog: MatDialog,
    private toaster: ToasterService,
    private ser: AccountService,
  ) {
    this.form = new FormGroup({
      code: new FormControl<string | number>({ value: 0, disabled: true }, { nonNullable: true }),
      name: new FormControl<string | null>(null),
      type: new FormControl<any>(''),
      isActive: new FormControl<boolean>(true, { nonNullable: true }),
      isReconcilable: new FormControl<boolean>(false, { nonNullable: true }),
      costCentre: new FormControl<string | null>(null),
    });
  }

  ngOnInit() {
    this.route.data.subscribe((value) => {
      const data = value as {
        item: Account;
        accountTypes: AccountType[];
        costCentres: CostCentre[];
      };

      this.accountTypes = data.accountTypes;
      this.costCentres = data.costCentres;
      this.showItem(data.item);
    });
  }

  showItem(item: Account) {
    this.item = item;
    this.form.setValue({
      code: this.item.code || '(Auto)',
      name: this.item.name || '',
      type: this.item.type,
      isActive: this.item.isActive,
      isReconcilable: this.item.isReconcilable,
      costCentre: this.item.costCentre.id!,
    });
  }

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

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

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

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

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

  getItem(): Account {
    const formModel = this.form.value;
    this.item.name = formModel.name!;
    this.item.type = formModel.type;
    this.item.isActive = formModel.isActive!;
    this.item.isReconcilable = formModel.isReconcilable!;
    this.item.costCentre.id = formModel.costCentre!;
    return this.item;
  }
}