import { svgArrows } from "..";
import { SVGArrow } from "../graphics/SVGArrow";
import { Node } from "./Node";
import { Transition } from "./Transition";

export class Edge {
    renderedElement: SVGArrow;
    end: Node;
    trans: Transition;
    inEdge: boolean;
    dimension = 1;
    constructor(end: Node, trans: Transition, inEdge = true) {
        this.end = end;
        this.trans = trans;
        this.inEdge = inEdge;
        this.renderedElement = inEdge ? new SVGArrow(end, trans) : new SVGArrow(trans, end);
        this.renderedElement.appendIt(svgArrows);
        end.updateList.push(this);
    }
    canSuck() {
        return this.end.marks >= this.dimension;
    }
    suck() {
        this.end.marks -= this.dimension;
        this.end.updatePoints();
    }
    canPush() {
        return this.end.capacity >= this.end.marks + this.dimension;
    }
    push() {
        this.end.marks += this.dimension;
        this.end.updatePoints();
    }
    updatePosition() {
        this.renderedElement.updatePosition();
    }
}