//
//  Created by Sam Gondelman on 8/10/16
//  Copyright 2016 High Fidelity, Inc.
//
//  This entity script handles the logic for controlling a pokestop
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

(function(){
    Script.include('https://raw.githubusercontent.com/highfidelity/hifi/master/scripts/system/libraries/utils.js');
    Script.include('https://raw.githubusercontent.com/highfidelity/hifi/5042561e80367ee2ebefa7d56728246e2d037e9d/scripts/developer/libraries/virtualBaton.js');

    var SHADER_URL = "https://hifi-content.s3.amazonaws.com/samuel/pokestop.fs";
    var SEARCH_RADIUS = 5.0;
    var _this;

    // Only one person should similate the pokestop at a time- so we pass a virtual baton
    var baton;
    var iOwn = false;
    var connected = false;
    Pokestop = function() {
        _this = this;
    };

    function startUpdate() {
        iOwn = true;
        connected = true;
        //_this.updatePokestopForOwner();
        Script.update.connect(_this.update);
    }

    function stopUpdateAndReclaim() {
        //when the baton is released;
        iOwn = false;
        if (connected === true) {
            connected = false;
            Script.update.disconnect(_this.update);
        }
        //hook up callbacks to the baton
        baton.claim(startUpdate, stopUpdateAndReclaim);
    }

    Pokestop.prototype = {
        //updatePokestopForOwner: function() {},

        preload: function(entityID) {
            _this.entityID = entityID;

            // One winner for each entity
            if (Entities.canRez() && Entities.canAdjustLocks) {
                baton = virtualBaton({
                    batonName: "io.highfidelity.pokestop:" + _this.entityID
                });
                stopUpdateAndReclaim();
            }
        },

        unload: function() {
            baton.unload();
            if (connected === true) {
                connected = false;
                Script.update.disconnect(_this.update);
            }
        },

        update: function(deltaTime) {
            if (iOwn === false) {
                return;
            }

            _this.userData = getEntityUserData(_this.entityID);
            var cubeTime = _this.userData.ProceduralEntity.uniforms.cubeTime;
            var growTime = _this.userData.ProceduralEntity.uniforms.growTime;
            var distTime = _this.userData.ProceduralEntity.uniforms.distTime;

            if (AvatarList.isAvatarInRange(Entities.getEntityProperties(_this.entityID).position, SEARCH_RADIUS)) {
                _this.userData.ProceduralEntity.uniforms.cubeTime = Math.min(0.25, cubeTime + deltaTime / 2.0);
                _this.userData.ProceduralEntity.uniforms.growTime = Math.min(0.5, growTime + deltaTime / 2.0);
                _this.userData.ProceduralEntity.uniforms.distTime += deltaTime;
            } else {
                _this.userData.ProceduralEntity.uniforms.cubeTime = Math.max(0.0, cubeTime - deltaTime);
                _this.userData.ProceduralEntity.uniforms.growTime = Math.max(0.0, growTime - deltaTime);
                _this.userData.ProceduralEntity.uniforms.distTime = Math.max(0.0, distTime - deltaTime);
            }

            setEntityUserData(_this.entityID, _this.userData);
        }
    };

    return new Pokestop();
})