/**
 * Cloner.js
 *
 * @author realor
 */

import { Solid } from '../core/Solid.js'
import { Profile } from '../core/Profile.js'
import { Cord } from '../core/Cord.js'
import { ObjectBuilder } from './ObjectBuilder.js'
import * as THREE from '../lib/three.module.js'

class Cloner extends ObjectBuilder {
    constructor(objectToClone) {
        super()
        this.objectToClone = objectToClone
        this.cloneVisible = true
    }

    traverseDependencies(object, action) {
        if (this.objectToClone) {
            action(this.objectToClone)
        }
    }

    updateReferences(object, update) {
        let newObjectToClone = update(this.objectToClone)
        if (newObjectToClone !== null) {
            this.objectToClone = newObjectToClone
            return true
        }
        return false
    }

    performBuild(object) {
        if (this.objectToClone === undefined) return false

        const clone = object => {
            let clonedObject = object.clone(false)
            if (this.cloneVisible) clonedObject.visible = true

            if (object instanceof Solid || object instanceof Profile || object instanceof Cord) {
                // do not clone children
            } // object is Group or Object3D
            else {
                for (let child of object.children) {
                    clonedObject.add(clone(child))
                }
            }
            return clonedObject
        }
        object.clear()
        object.add(clone(this.objectToClone))
        object.updateMatrix()

        return true
    }

    isGeometryBuilder(object) {
        return false
    }

    isChildrenBuilder(object) {
        return true
    }

    copy(source) {
        this.objectToClone = source.objectToClone
        this.cloneVisible = source.cloneVisible

        return this
    }
}

ObjectBuilder.addClass(Cloner)

export { Cloner }