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 { StockMovementDataSource } from './stock-movement-datasource';
import { StockMovement } from './stock-movement';

@Component({
  selector: 'app-stock-movement',
  templateUrl: './stock-movement.component.html',
  styleUrls: ['./stock-movement.component.css'],
})
export class StockMovementComponent implements OnInit {
  @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
  @ViewChild(MatSort, { static: true }) sort: MatSort;
  dataSource: StockMovementDataSource;
  form: FormGroup;
  info: StockMovement;
  selectedRowId: string;
  /** Columns displayed in the table. Columns IDs can be added, removed, or reordered. */
  displayedColumns = ['group', 'name', 'opening', 'purchase', 'issue', 'closing'];

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

  ngOnInit() {
    this.route.data.subscribe((data: { info: StockMovement }) => {
      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 StockMovementDataSource(this.paginator, this.sort, this.info.body);
    });
  }

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

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

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

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