import { Field } from '../../../models/Field';
import { Component, OnInit, Input, Output, EventEmitter, forwardRef, ViewEncapsulation } from '@angular/core';
import { ControlValueAccessor, FormControl, FormGroup, NG_VALUE_ACCESSOR, Validators } from '@angular/forms';
import { DatasetProfileService } from '../../../services/dataset-profile.service';
import { ActivatedRoute } from '@angular/router';
import { AutoCompleteConfiguration } from '../../../shared/components/autocomplete/AutoCompleteConfiguration';
import { RequestItem } from '../../../models/criteria/RequestItem';
import { BaseCriteria } from '../../../models/criteria/BaseCriteria';
import { AutocompleteLookupItem } from '../../../models/auto-complete/AutocompleteLookupItem';
declare var $: any;


@Component({
  selector: 'df-autocomplete',
  templateUrl: './autocomplete-remote.component.html',
  styleUrls: ['./autocomplete-remote.component.css'],
  encapsulation: ViewEncapsulation.None,
})
export class AutocompleteRemoteComponent implements OnInit/* , ControlValueAccessor */ {


  @Input() field: Field;
  @Input() disabled = false
  @Input() form: FormGroup;

  public autoCompleteConfiguration: AutoCompleteConfiguration;
  public loading: boolean;
  public datasetId;
  public values: any[] = new Array();
  public typeaheadMS: number = 1400;

  constructor(private datasetProfileService: DatasetProfileService, route: ActivatedRoute) {
    this.datasetId = route.snapshot.params['id'];
  }


  ngOnInit() {
    let autocompleteRequestItem: RequestItem<AutocompleteLookupItem> = new RequestItem();
    autocompleteRequestItem.criteria = new AutocompleteLookupItem();
    autocompleteRequestItem.criteria.fieldID = this.field.id;
    autocompleteRequestItem.criteria.profileID = this.datasetId;
    this.autoCompleteConfiguration = new AutoCompleteConfiguration(this.datasetProfileService.queryAutocomplete.bind(this.datasetProfileService), autocompleteRequestItem);

  }

  displayWith(item: any) {
    if (!item) return null;
    if (typeof item === 'string') item = this.transform(item);
    return item["label"];
  }

  assign(item: any) {
    if (!item) return null;
    return this.transform(item);
  }

  transform(item: any) {
    if (typeof item === 'string') return JSON.parse(item)
    else return JSON.stringify(item);
  }
}