import { Component, OnInit, Input, OnChanges, SimpleChanges, forwardRef } from '@angular/core';
import { Utils } from '@pega/angular-sdk-components';
import { ComponentMapperComponent } from '@pega/angular-sdk-components';

interface UtilityProps {
  // If any, enter additional props that only exist on this component
  headerIcon?: string;
  headerText?: string;
  noItemsMessage?: string;
}

@Component({
  selector: 'app-utility',
  templateUrl: './utility.component.html',
  styleUrls: ['./utility.component.scss'],
  imports: [forwardRef(() => ComponentMapperComponent)]
})
export class UtilityComponent implements OnInit, OnChanges {
  @Input() pConn$: typeof PConnect;

  configProps$: UtilityProps;
  headerIcon$?: string;
  headerText$?: string;
  headerIconUrl$?: string;
  noItemsMessage$?: string;

  constructor(private utils: Utils) {}

  ngOnInit(): void {
    this.updateSelf();
  }

  ngOnChanges(changes: SimpleChanges): void {
    const { pConn$ } = changes;

    if (pConn$.previousValue && pConn$.previousValue !== pConn$.currentValue) {
      this.updateSelf();
    }
  }

  updateSelf() {
    this.configProps$ = this.pConn$.resolveConfigProps(this.pConn$.getConfigProps()) as UtilityProps;

    this.headerIcon$ = this.configProps$.headerIcon;
    this.headerIconUrl$ = this.utils.getSDKStaticContentUrl();
    this.headerText$ = this.configProps$.headerText;
    this.noItemsMessage$ = this.configProps$.noItemsMessage;
  }
}