import { NativeElement, Component } from "../core/Component";
import addon from "../utils/addon";
import { checkIfNativeElement } from "../utils/helpers";
import { QRect } from "./QRect";

export type QVariantType =
  | NativeElement
  | string
  | string[]
  | number
  | boolean
  | QRect;

export class QVariant extends Component {
  constructor();
  constructor(nativeElement: NativeElement);
  constructor(variant: QVariantType);
  constructor(arg?: QVariantType | NativeElement) {
    let native: NativeElement;
    if (checkIfNativeElement(arg) && arg instanceof addon.QVariant) {
      native = arg as NativeElement;
    } else if (arg) {
      native = new addon.QVariant.convertToQVariant(arg);
    } else {
      native = new addon.QVariant();
    }
    super(native);
  }
  toString(): string {
    return this.native!.toString();
  }
  toInt(): number {
    return this.native?.toInt();
  }
  toDouble(): number {
    return this.native?.toDouble();
  }
  toBool(): boolean {
    return this.native?.toBool();
  }
  toStringList(): string[] {
    return this.native?.toStringList();
  }
}

/**
 * Get the correct native object which should be passed down to the
 * C++ wrapper from a QVariantType object.
 */
export function nativeObjectFromVariantType(obj: QVariantType): any {
  if (obj instanceof QRect) {
    return obj.native;
  }
  return obj;
}