/*
 * RotationController.js
 *
 * @author realor
 */

import { AnimationController } from './AnimationController.js'
import { Controller } from './Controller.js'

class RotationController extends AnimationController {
    constructor(object, name) {
        super(object, name)

        let minAngle = (object.rotation.z * 180) / Math.PI
        let maxAngle = minAngle + 90

        this.axis = 'z'
        this.minAngle = minAngle // degrees
        this.maxAngle = maxAngle // degrees
        this.minValue = 0
        this.maxValue = 1
        this.maxSpeed = 90 // degrees / second
    }

    animate(event) {
        let value = this.input
        if (value === null) return

        value = parseFloat(value)
        if (typeof value !== 'number') return

        let axis = this.axis || 'z'
        let minValue = parseFloat(this.minValue)
        let maxValue = parseFloat(this.maxValue)
        let minAngle = (parseFloat(this.minAngle) * Math.PI) / 180
        let maxAngle = (parseFloat(this.maxAngle) * Math.PI) / 180
        let maxSpeed = (parseFloat(this.maxSpeed) * Math.PI) / 180

        let factor = (value - minValue) / (maxValue - minValue) // [0..1]
        let targetAngle = minAngle + factor * (maxAngle - minAngle)
        let angle = this.object.rotation[axis]
        let delta = targetAngle - angle

        if (Math.abs(delta) < 0.001) {
            this.stopAnimation()
        } else {
            let speed = delta / 0.2
            if (speed > maxSpeed) speed = maxSpeed
            else if (speed < -maxSpeed) speed = -maxSpeed
            this.object.rotation[axis] += speed * event.delta
            this.object.updateMatrix()
            this.application.notifyObjectsChanged(this.object, this)
        }
    }
}

Controller.addClass(RotationController)

export { RotationController }