import { Component, OnInit } from '@angular/core';
import { MatTableDataSource } from '@angular/material/table';
import { OverheadAdvanceService } from '../data-object-service';
import { OverheadAdvance } from '../data-objects';
import { MessageService } from '../message.service';

@Component({
  selector: 'app-overhead-advance-list',
  templateUrl: './overhead-advance-list.component.html',
  styleUrls: ['./overhead-advance-list.component.css']
})
export class OverheadAdvanceListComponent implements OnInit {

  overheadAdvances: OverheadAdvance[]
  dataSource: MatTableDataSource<OverheadAdvance>
  displayedColumns: string[] = [ "description", "amount", "startdate", "enddate" ]

  constructor(
    private overheadAdvanceService: OverheadAdvanceService,
    private messageService: MessageService
  ) { }
  
  async getOverheadAdvances(): Promise<void> {
    try {
      this.messageService.add("Trying to load overheadAdvances")
      this.overheadAdvances = await this.overheadAdvanceService.getOverheadAdvances()
      this.messageService.add("OverheadAdvances loaded")

      this.dataSource = new MatTableDataSource<OverheadAdvance>(this.overheadAdvances)
    } catch (err) {
      this.messageService.add(`Error in getOverheadAdvances: ${ JSON.stringify(err, undefined, 4) }`)
    }
  }


  ngOnInit(): void {
    this.messageService.add("OverheadAdvanceListComponent.ngOnInit")
    this.getOverheadAdvances()
  }

}