import {Component, EventEmitter, Input, OnChanges, Output, SimpleChanges} from '@angular/core';
import {FormBuilder, FormGroup} from "@angular/forms";
import {Filter} from "./searchHelperClasses.class";
import {EnvProperties} from "../../utils/properties/env-properties";
import {ConfigurationService} from "../../utils/configuration/configuration.service";
import {Subject, Subscription} from "rxjs";
import {debounceTime} from "rxjs/operators";

@Component({
  selector: 'quick-selections',
  template: `
    <form *ngIf="resultTypes || quickFilter" [formGroup]="control" class="uk-text-small uk-margin-small-bottom uk-grid">
      <div  *ngIf="quickFilter" class="uk-margin-small-top uk-padding-remove-left ">
        <span class="uk-text-bold">{{quickFilter.value}}</span>
        <mat-slide-toggle
                          class="uk-margin-small-left" formControlName="QFselected" (change)="quickFilterChanged()">
        </mat-slide-toggle>
      </div>
      <div *ngIf="resultTypes && showEntities" class="uk-margin-small-top">
        <span class="uk-text-muted">Include: </span>
      <span>
        <span *ngIf="showPublications" class="uk-margin-small-left"> <input type="checkbox" id="publ" name="Publications" formControlName="publication" (change)="changed()"> Publications </span>
        <span *ngIf="showDatasets" class="uk-margin-small-left"> <input type="checkbox" formControlName="dataset" (change)="changed()"> Research data </span>
        <span *ngIf="showSoftware" class="uk-margin-small-left"> <input type="checkbox" formControlName="software" (change)="changed()"> Software </span>
        <span *ngIf="showOrp" class="uk-margin-small-left"> <input type="checkbox" formControlName="other" (change)="changed()"> Other research products </span>
      </span>
      </div>
    </form>
  `
})

export class QuickSelectionsComponent implements OnChanges {
  @Input() resultTypes;
  @Output() typeChange = new EventEmitter();
  @Input() isDisabled;
  @Input() quickFilter: { filter: Filter, selected: boolean, filterId: string, value: string };
  @Input() QFselected: boolean;
  control: FormGroup;
  initialized = false;
  @Input() properties: EnvProperties;
  showPublications:boolean= false;
  showDatasets:boolean= false;
  showSoftware: boolean = false;
  showOrp: boolean = false;
  showEntities = false;
  resultTypesObs: Subscription ;
  private clicks = new Subject();
  constructor(private _fb: FormBuilder, private config: ConfigurationService) {

    this.control = this._fb.group({
      publication: true,
      dataset: true,
      software: true,
      other: true,
      QFselected: true
    });


  }

  changed() {
    if (!this.initialized && this.isDisabled) {
      this.initialized = true;
      return;
    }
    this.clicks.next();
  }
  actuallyChanged(){

    let value = this.control.getRawValue();
    this.resultTypes.publication = value.publication;
    this.resultTypes.dataset = value.dataset;
    this.resultTypes.software = value.software;
    this.resultTypes.other = value.other;
    if (this.resultTypes && !this.resultTypes.publication && !this.resultTypes.dataset && !this.resultTypes.software && !this.resultTypes.other) {
      this.resultTypes.publication = true;
      this.resultTypes.dataset = true;
      this.resultTypes.software = true;
      this.resultTypes.other = true;
      this.setFormValues();
    }
    this.typeChange.emit({});
  }

  quickFilterChanged() {
    let value = this.control.getRawValue();
    this.quickFilter.selected = value.QFselected;
    if(this.quickFilter.filter) {
      this.quickFilter.filter.countSelectedValues = 0;
      if (value.QFselected) {
        for (let filterValue of this.quickFilter.filter.values) {
          if((filterValue.name == this.quickFilter.value)) {
            filterValue.selected = true
            this.quickFilter.filter.countSelectedValues = 1;
          }else{
            filterValue.selected = false;
          }
        }
      } else {
        for (let filterValue of this.quickFilter.filter.values) {
          filterValue.selected = false;
        }
      }
    }
    this.typeChange.emit({});
  }

  ngOnInit() {
    if (this.resultTypes) {
      this.setFormValues();
    }
    if(this.properties) {
      this.config.getCommunityInformation(this.properties, this.properties.adminToolsCommunity).subscribe(data => {
        var showEntity = {};
        for (var i = 0; i < data['entities'].length; i++) {
          showEntity["" + data['entities'][i]["pid"] + ""] = data['entities'][i]["isEnabled"];
        }
        this.showPublications = showEntity["publication"];
        this.showDatasets = showEntity["dataset"];
        this.showSoftware = showEntity["software"];
        this.showOrp = showEntity["orp"];
        this.showEntities = this.showPublications || this.showDatasets || this.showSoftware || this.showOrp;
      });
    }
    this.resultTypesObs  = this.clicks.pipe(
      debounceTime(1000)
    ).subscribe(e =>{this.actuallyChanged()} );

  }

  ngOnChanges(changes: SimpleChanges): void {
    if (changes.isDisabled) {
      if (changes.isDisabled.currentValue == true) {
        this.control.disable();
      } else if (changes.isDisabled.currentValue == false) {
        this.control.enable();
      }
    }

    if (changes.QFselected) {
      let value = this.control.getRawValue();
      if (changes.QFselected.currentValue != value.QFselected) {
        this.setFormValues();
      }

    }
    if (changes.resultTypes) {
      this.setFormValues();
    }
  }

  setFormValues() {
    this.control.setValue({
      publication: (this.resultTypes && this.resultTypes.publication)?this.resultTypes.publication:null,
      dataset: (this.resultTypes && this.resultTypes.dataset)?this.resultTypes.dataset:null,
      software: (this.resultTypes && this.resultTypes.software)?this.resultTypes.software:null,
      other: (this.resultTypes && this.resultTypes.other)?this.resultTypes.other:null,
      QFselected: this.QFselected
    });
  }


}