//
//  controllers/overrideHandAnimation.js
//
//  Created by Angus Antley
//  Copyright 2019 High Fidelity, Inc.
//
//  Default script to override the animation of the hands with user animations
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
/* global Script, MyAvatar, Messages, Controller */
/* eslint indent: ["error", 4, { "outerIIFEBody": 0 }] */

(function() {

var animStateHandlerID;	
var leftHandOverlayAlpha = 0;
var rightHandOverlayAlpha = 0;

var isLeftIndexPointing = false;
var isLeftThumbRaised = false;
var isLeftTrigger = false;

var isRightIndexPointing = false;
var isRightThumbRaised = false;
var isRightTrigger = false;

	
function init() {
    Script.update.connect(update);
    animStateHandlerID = MyAvatar.addAnimationStateHandler(
        animStateHandler,
        [
            "leftHandOverlayAlpha",
            "rightHandOverlayAlpha" 
        ]
    );
}
	
function animStateHandler(props) {
    return {
        leftHandOverlayAlpha: leftHandOverlayAlpha,
        rightHandOverlayAlpha: rightHandOverlayAlpha
    };
}
	
	
function update(dt) {
    var rightHandPose = Controller.getPoseValue(Controller.Standard.RightHand);
    var leftHandPose = Controller.getPoseValue(Controller.Standard.LeftHand);
    
    var previousRightIndexPointing = isRightIndexPointing;
    var previousRightThumbRaised = isRightThumbRaised;
    var previousRightTrigger = isRightTrigger;
    
    var previousLeftIndexPointing = isLeftIndexPointing;
    var previousLeftThumbRaised = isLeftThumbRaised;
    var previousLeftTrigger = isLeftTrigger;
	
    // Pointing index fingers and raising thumbs
    isRightIndexPointing = (rightHandPose.valid && Controller.getValue(Controller.Standard.RightIndexPoint) === 1);
    isRightThumbRaised = (rightHandPose.valid && Controller.getValue(Controller.Standard.RightThumbUp) === 1);
    isRightTrigger = (Controller.getValue(Controller.Standard.RightGrip) === 1);
	
    isLeftIndexPointing = (leftHandPose.valid && Controller.getValue(Controller.Standard.LeftIndexPoint) === 1);
    isLeftThumbRaised = (leftHandPose.valid && Controller.getValue(Controller.Standard.LeftThumbUp) === 1);
    isLeftTrigger = (Controller.getValue(Controller.Standard.LeftGrip) === 1);
	
    if (previousRightIndexPointing !== isRightIndexPointing){
        if ((isRightIndexPointing === true) && (isRightTrigger === false)){
            rightHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(false, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_horns_right.fbx",30.0,true,0,99);
        } else if ((isRightIndexPointing === true) && (isRightTrigger === true)) {
            rightHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(false, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_shaka_right.fbx",30.0,true,0,99);
        } else {
            MyAvatar.restoreHandAnimation(false);
            rightHandOverlayAlpha = 0.0;
        }
    }
	
    if (previousRightThumbRaised !== isRightThumbRaised){
        if ((isRightThumbRaised === false) && (isRightTrigger === false)){
            rightHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(false, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_peace_right.fbx",30.0,true,0,99);
        } else if ((isRightThumbRaised === false) && (isRightTrigger === true)){
            rightHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(false, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_okay_right.fbx",30.0,true,0,99);
        } else {
            MyAvatar.restoreHandAnimation(false);
            rightHandOverlayAlpha = 0.0;
        }
    }
	
    if (previousRightTrigger !== isRightTrigger){
        if ((isRightTrigger === true) && (isRightThumbRaised === true) && (isRightIndexPointing === false)){
            rightHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(false, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_heart_right.fbx",30.0,true,0,99);
        } else {
            MyAvatar.restoreHandAnimation(false);
            rightHandOverlayAlpha = 0.0;
        }
    }
	
    if (previousLeftIndexPointing !== isLeftIndexPointing){
        if ((isLeftIndexPointing === true) && (isLeftTrigger === false)){
            leftHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(true, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_horns_left.fbx",30.0,true,0,99);
        } else if ((isLeftIndexPointing === true) && (isLeftTrigger === true)) {
            leftHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(true, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_shaka_left.fbx",30.0,true,0,99);
        } else {
            MyAvatar.restoreHandAnimation(true);
            leftHandOverlayAlpha = 0.0;
        }
    }
	
    if (previousLeftThumbRaised !== isLeftThumbRaised){
        if ((isLeftThumbRaised === false) && (isLeftTrigger === false)){
            leftHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(true, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_peace_left.fbx",30.0,true,0,99);
        } else if ((isLeftThumbRaised === false) && (isLeftTrigger === true)){
            leftHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(true, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_okay_left.fbx",30.0,true,0,99);
        } else {
            MyAvatar.restoreHandAnimation(true);
            leftHandOverlayAlpha = 0.0;
        }
    }
	
    if (previousLeftTrigger !== isLeftTrigger){
        if ((isLeftTrigger === true) && (isLeftThumbRaised === true) && (isLeftIndexPointing === false)){
            leftHandOverlayAlpha = 1.0;
            MyAvatar.overrideHandAnimation(true, "https://hifi-content.s3.amazonaws.com/angus/handAnim/emote_heart_left.fbx",30.0,true,0,99);
        } else {
            MyAvatar.restoreHandAnimation(true);
            leftHandOverlayAlpha = 0.0;
        }
    }
	
}

	
function shutdown() {
    Script.update.disconnect(update);
    MyAvatar.removeAnimationStateHandler(animStateHandlerID);
}

Script.scriptEnding.connect(shutdown);

init();
	
}()); // end local scope