import {Component, Input, Output, EventEmitter} from '@angular/core';
import { RangeFilter } from './rangeFilterHelperClasses.class';
import { Dates } from "../string-utils.class";

@Component({
  selector: 'range-filter',
  templateUrl: 'rangeFilter.component.html'
})

export class RangeFilterComponent {

  @Input() filter:RangeFilter;
  @Input() isDisabled:boolean = false;
  public _maxCharacters:number =28;
  public focusedInput: string = "";
  public yearMin: number = Dates.yearMin;
  public yearMax: number = Dates.yearMax;
  public currentYear: number = Dates.currentYear;

  @Output() onFilterChange = new EventEmitter();

  constructor() {}

  ngOnInit() {}

  public _formatTitle(title){
    return ((title.length > this._maxCharacters)?(title.substring(0,(this._maxCharacters - ('...').length))+"..."):title);
  }

  yearChanged(yearsSelected: number = null){
    if(yearsSelected != null) {
      this.filter.selectedFromValue = (this.currentYear - yearsSelected) + "";
      this.filter.selectedToValue = this.currentYear + "";
    }
    this.onFilterChange.emit({
      value: this.filter
    });
  }

  clearFilter() {
    this.filter.selectedFromValue = null;
    this.filter.selectedToValue = null;
    this.onFilterChange.emit({
      value: this.filter
    });
  }

  getFilterName(value){
    let name = value.name +" ("+ value.number.format()+")";
    return name;
  }

  stringToNum(value: string): number {
    return +(value);
  }
}