import addon from "../utils/addon";
import { NativeElement, Component } from "../core/Component";
import { QVariant } from "./QVariant";
import { checkIfNativeElement } from "../utils/helpers";
import { ItemDataRole } from "../QtEnums/ItemDataRole";
import { ItemFlag } from "../QtEnums/ItemFlag";

export class QModelIndex extends Component {
  constructor(arg?: NativeElement) {
    let native: NativeElement;
    if (!arg) {
      native = new addon.QModelIndex();
    } else if (checkIfNativeElement(arg)) {
      native = arg as NativeElement;
    } else {
      throw new Error("QModelIndex cannot be initialised this way.");
    }
    super(native);
  }
  column(): number {
    return this.native?.column();
  }
  data(role: ItemDataRole = ItemDataRole.DisplayRole): QVariant {
    return new QVariant(this.native?.data(role));
  }
  flags(): ItemFlag {
    return this.native?.flags();
  }
  isValid(): boolean {
    return this.native?.isValid();
  }
  parent(): QModelIndex {
    return new QModelIndex(this.native?.parent());
  }
  row(): number {
    return this.native?.row();
  }
  sibling(row: number, column: number): QModelIndex {
    return new QModelIndex(this.native?.sibling(row, column));
  }
  siblingAtColumn(column: number): QModelIndex {
    return new QModelIndex(this.native?.siblingAtColumn(column));
  }
  siblingAtRow(row: number): QModelIndex {
    return new QModelIndex(this.native?.siblingAtRow(row));
  }
  static fromQVariant(variant: QVariant): QModelIndex {
    return new QModelIndex(addon.QModelIndex.fromQVariant(variant.native));
  }
}