const canvas = document.getElementById("canvas");
// Compute arrow polygon
import { computeAll } from "athena-utils/Arrow.js";
// Polygon merge using Turf library
import {mergeTurfPolygons} from "athena-utils/Polygon.js";
import {addTurfPolygonToMerge} from "athena-utils/Polygon.js";
import {drawPolygon} from "athena-utils/PolygonVisuals.js";

const points = [
    { x: 50, y: 400 },
    { x: 150, y: 100 },
    { x: 300, y: 200 },
    { x: 300, y: 400 },
];

const pointsB = [
    { x: 310, y: 300 },
    { x: 380, y: 350 },
    { x: 400, y: 300 },
    { x: 450, y: 330 }
];

const pointsC = [
    { x: 50, y: 100 },
    { x: 100, y: 100 },
    { x: 180, y: 95 }
];

const arrowPolygonA = computeAll(points, 0.02, 50, 10, true, 40, 35);
const arrowPolygonB = computeAll(pointsB, 0.02, 10, 10, true, 40, 35);
const arrowPolygonC = computeAll(pointsC, 0.02, 50, 10, false, 40, 35);

const mergedTurfPoly = mergeTurfPolygons(arrowPolygonA, arrowPolygonC);
const mergedTurfPolyAll = addTurfPolygonToMerge(mergedTurfPoly, arrowPolygonB);

console.log(mergedTurfPolyAll);
drawPolygon(mergedTurfPolyAll, "rgba(255, 0, 0, 0.5)", canvas);