//
// button.js
//
// Created by Clement Brisset on 10/26/13
// Copyright 2017 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//

/* globals Entities, Script, AnimationCache, Settings, MyAvatar, DriveKeys, AvatarList,
Vec3, HMD, Overlays, Camera, isInEditMode */

(function () {
    var myEntityID = null;
    var version = 11;
    var myParentID = null;
    var myUserData = null;

    function debug(text) {
        console.log("[TAG " + version + "] " + text);
    }
    debug("Version: " + version);

    var signals = {
        list: {},
        connect: function(signal, func) {
            debug("Connecting: " + signal.name);
            signal.connect(func);
            signals.list[signal.name] = function() {
                signal.disconnect(func);
            }
        },
        disconnect: function(signal) {
            debug("Disonnecting: " + signal.name);
            signals.list[signal.name]();
            delete signals.list[signal.name];
        },
        disconnectAll: function() {
            for (signalName in signals.list) {
                debug("DisonnectingAll: " + signalName);
                signals.list[signalName]();
                delete signals.list[signalName];
            }
        }
    };

    this.preload = function (id) {
        myEntityID = id;
        var props = Entities.getEntityProperties(myEntityID, ["parentID", "userData"]);
        myParentID = props.parentID;
        myUserData = JSON.parse(props.userData);
        debug("Loading " + myEntityID + " (parentID: " + myParentID + ")");

        signals.connect(Entities.clickDownOnEntity, onClickDown);
        signals.connect(Entities.clickReleaseOnEntity, onClickRelease);
    };
    this.unload = function () {
        debug("Unloading " + myEntityID);
        signals.disconnectAll();
    };

    function onClickDown(entityID, event) {
        if (myEntityID != entityID || !event.isPrimaryButton) {
            return;
        }
        debug("onClickDown: " + JSON.stringify(myUserData))

        if (myUserData.action == "drive") {
            var props = Entities.getEntityProperties(myEntityID, ["position"]);
            MyAvatar.position = {
                x: props.position.x,
                y: MyAvatar.position.y,
                z: props.position.z
            };
        }

        Entities.callEntityMethod(myParentID, "onButtonClicked", [ myUserData.action, 1 ]);
    }

    function onClickRelease(entityID, event) {
        if (myEntityID != entityID || !event.isPrimaryButton) {
            return;
        }
        debug("onClickRelease: " + JSON.stringify(myUserData))
        Entities.callEntityMethod(myParentID, "onButtonClicked", [ myUserData.action, 0 ]);
    }

    this.state = 0;
    this.startFarTrigger = function() {
        debug("startFarTrigger: " + JSON.stringify(myUserData))
        this.state = (this.state + 1) % 2;
        Entities.callEntityMethod(myParentID, "onButtonClicked", [ myUserData.action, this.state ]);
    }
    this.endFarTrigger = function() {
        debug("endFarTrigger: " + JSON.stringify(myUserData))
        Entities.callEntityMethod(myParentID, "onButtonClicked", [ myUserData.action, 0 ]);
    }
});