import {DiagramEvent, DiagramEventType} from "./diagramEntity";
import log from "loglevel";
import {applyPhysics} from "./functions/diagramShapePhysics";
import {ActionManager, PhysicsMotionType, Scene} from "@babylonjs/core";
import {TextLabel} from "./textLabel";
import {Toolbox} from "../toolbox/toolbox";
import {DiaSounds} from "../util/diaSounds";

import {fromDiagramEntity} from "./functions/fromDiagramEntity";


export function diagramEventHandler(event: DiagramEvent,
                                    scene: Scene,
                                    toolbox: Toolbox,
                                    physicsEnabled: boolean,
                                    actionManager: ActionManager,
                                    sounds: DiaSounds) {
    const entity = event.entity;
    let mesh;
    if (event?.entity?.template) {
        const toolMesh = scene.getMeshById("tool-" + event.entity.template + "-" + event.entity.color);
        if (!toolMesh && event.type != DiagramEventType.CHANGECOLOR) {
            log.debug('no mesh found for ' + event.entity.template + "-" + event.entity.color, 'adding it');
            toolbox.updateToolbox(event.entity.color);
        }
        mesh = fromDiagramEntity(event.entity, scene);
        if (mesh) {
            mesh.actionManager = actionManager;
            if (physicsEnabled) {
                applyPhysics(sounds, mesh, scene, PhysicsMotionType.DYNAMIC);
            }
        }
    }
    switch (event.type) {
        case DiagramEventType.CLEAR:
            break;
        case DiagramEventType.DROPPED:
            break;
        case DiagramEventType.DROP:
            if (mesh.metadata.template.indexOf('#') > -1) {
                TextLabel.updateTextNode(mesh, entity.text);
            }
            break;
        case DiagramEventType.ADD:
            if (!mesh.actionManager) {
                mesh.actionManager = actionManager;
            }
            if (physicsEnabled) {
                applyPhysics(sounds, mesh, scene);
            }
            break;
        case DiagramEventType.MODIFY:
            if (physicsEnabled) {
                applyPhysics(sounds, mesh, scene);
            }
            break;
        case DiagramEventType.REMOVE:
            if (mesh) {
                mesh?.physicsBody?.dispose();
                if (mesh?.metadata?.template == '#connection-template') {
                    if (mesh.parent) {
                        mesh.parent.dispose();
                    } else {
                        mesh.dispose();
                    }
                } else {
                    mesh.dispose();
                }

                sounds.exit.play();
            }
            break;
    }
}