import { svgNodes } from "..";
import { SVGTRansition } from "../graphics/SVGTransition";
import { Positionable } from "../types";
import { Edge } from "./Edge";

export class Transition implements Positionable {
    renderedElement: SVGTRansition;
    name = "noname";
    inEdges: Edge[] = [];
    outEdges: Edge[] = [];
    x: number;
    y: number;
    constructor(name: string, x: number, y: number) {
        this.name = name;
        this.x = x;
        this.y = y;
        this.renderedElement = new SVGTRansition(this);
        this.renderedElement.appendIt(svgNodes);
        this.renderedElement.onMove((event) => this.updatePosition(event.x, event.y));
    }
    #canFireC = false;
    canFire() {
        this.#canFireC = false;
        for (const inE of this.inEdges) {
            if (!inE.canSuck()) {
                this.renderedElement.setCanFire(false);
                return false;
            }
        }
        for (const outE of this.outEdges) {
            if (!outE.canPush()) {
                this.renderedElement.setCanFire(false);
                return false;
            }
        }
        this.renderedElement.setCanFire(true);
        this.#canFireC = true;
        return true;
    }
    fire() {
        let canFireNow = this.canFire()
        if(this.#canFireC && !canFireNow){
            // TODO: koflikt.
        }
        if (!this.#canFireC || !canFireNow) return false;
        for (const inE of this.inEdges) {
            inE.suck();
        }
        for (const outE of this.outEdges) {
            outE.push();
        }
        return true;
    }
    updatePosition(x: number, y: number) {
        this.x = x;
        this.y = y;
        this.renderedElement.translate(x, y);
        for (const inE of this.inEdges) {
            inE.updatePosition();
        }
        for (const outE of this.outEdges) {
            outE.updatePosition();
        }
    }
}