/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016-2017 Dan "Ducky" Little
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import * as jsts from "gm3/jsts";

// this is necessary to configure the UTM projections
import { configureProjections } from "gm3/util";
import { register } from "ol/proj/proj4";
import proj4 from "proj4";

describe("test basic jsts stuff", function () {
  beforeEach(() => {
    configureProjections(proj4);
    register(proj4);
  });

  it("buffers a point", function () {
    const point = {
      type: "Feature",
      properties: {},
      geometry: {
        type: "Point",
        coordinates: [0, 0],
      },
    };

    const polygon = jsts.buffer(point, 1);
    expect(polygon.type).toBe("Polygon");
  });

  it("unions a couple of polygons", function () {
    const features = [
      {
        type: "Feature",
        properties: {},
        geometry: {
          type: "Polygon",
          coordinates: [
            [
              [0, 0],
              [-1, 0],
              [0, 1],
              [0, 0],
            ],
          ],
        },
      },
      {
        type: "Feature",
        properties: {},
        geometry: {
          type: "Polygon",
          coordinates: [
            [
              [-1, 0],
              [-1, 1],
              [0, 1],
              [-1, 0],
            ],
          ],
        },
      },
    ];

    const shp = jsts.bufferAndUnion(features, 1);
    expect(shp).toBeDefined();
  });
});
