// deck.gl-community
// SPDX-License-Identifier: MIT
// Copyright (c) vis.gl contributors

import bboxPolygon from '@turf/bbox-polygon';
import {PointerMoveEvent} from '../edit-modes/types';
import {EditAction} from './mode-handler';
import {TwoClickPolygonHandler} from './two-click-polygon-handler';

// TODO edit-modes: delete handlers once EditMode fully implemented
export class DrawRectangleHandler extends TwoClickPolygonHandler {
  handlePointerMove(event: PointerMoveEvent): {
    editAction: EditAction | null | undefined;
    cancelMapPan: boolean;
  } {
    const result = {editAction: null, cancelMapPan: false};
    const clickSequence = this.getClickSequence();

    if (clickSequence.length === 0) {
      // nothing to do yet
      return result;
    }

    const corner1 = clickSequence[0];
    const corner2 = event.mapCoords;

    this._setTentativeFeature(bboxPolygon([corner1[0], corner1[1], corner2[0], corner2[1]]));

    return result;
  }
}