import { Component, OnInit, ViewChild } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import { MatPaginator } from '@angular/material/paginator';
import { MatSort } from '@angular/material/sort';
import { ActivatedRoute, Router } from '@angular/router';
import * as moment from 'moment';

import { Daybook } from './daybook';
import { DaybookDataSource } from './daybook-datasource';
import { DaybookService } from './daybook.service';

@Component({
  selector: 'app-daybook',
  templateUrl: './daybook.component.html',
  styleUrls: ['./daybook.component.css'],
})
export class DaybookComponent implements OnInit {
  @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
  @ViewChild(MatSort, { static: true }) sort: MatSort;
  dataSource: DaybookDataSource;
  form: FormGroup;
  info: Daybook;
  selectedRowId: string;
  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
  displayedColumns = [
    'date',
    'type',
    'narration',
    'debitText',
    'debitAmount',
    'creditText',
    'creditAmount',
  ];

  constructor(
    private route: ActivatedRoute,
    private router: Router,
    private fb: FormBuilder,
    private ser: DaybookService,
  ) {
    this.createForm();
  }

  ngOnInit() {
    this.route.data.subscribe((data: { info: Daybook }) => {
      this.info = data.info;
      this.form.setValue({
        startDate: moment(this.info.startDate, 'DD-MMM-YYYY').toDate(),
        finishDate: moment(this.info.finishDate, 'DD-MMM-YYYY').toDate(),
      });
      this.dataSource = new DaybookDataSource(this.paginator, this.sort, this.info.body);
    });
  }

  selectRow(id: string): void {
    this.selectedRowId = id;
  }

  show() {
    const l = this.prepareSubmit();
    this.router.navigate(['daybook'], {
      queryParams: {
        startDate: l.startDate,
        finishDate: l.finishDate,
      },
    });
  }

  createForm() {
    this.form = this.fb.group({
      startDate: '',
      finishDate: '',
    });
  }

  prepareSubmit(): Daybook {
    const formModel = this.form.value;

    return {
      startDate: moment(formModel.startDate).format('DD-MMM-YYYY'),
      finishDate: moment(formModel.finishDate).format('DD-MMM-YYYY'),
      body: [],
    };
  }
}