//
//  Created by Luis Cuenca on 5/24/18
//  Copyright 2018 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
//

/* jslint bitwise: true */

/* global Script, MyAvatar, GlobalDebugger, Tablet
*/

(function(){
    Script.registerValue("REPLICATORAPP", true);
	
    var TABLET_BUTTON_NAME = "REPLICATOR";
    var HTML_URL = Script.resolvePath("./replicatorApp.html");
    
    var DOMAIN_TRANS = "file:///~/serverless/tutorial.json";
    var DOMAIN_GOTO = "hifi://engine-dev";
    
	var MSG_DOCUMENT_LOADED = 0;
	var MSG_CREATE = 1;
	var MSG_INIT = 2;
    var MSG_STOP = 3;
    
    var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");
    var tabletButton = tablet.addButton({
        text: TABLET_BUTTON_NAME,
        icon: Script.resolvePath("./replicator-i.svg"),
        activeIcon: Script.resolvePath("./replicator-a.svg")
    });
    
    
    var shown = false;
    
    function manageClick() {
        if (shown) {
            tablet.gotoHomeScreen();
        } else {
            tablet.gotoWebScreen(HTML_URL);
        }
    }
    
    tabletButton.clicked.connect(manageClick);
    
    function onScreenChanged(type, url) {     
        console.log("Screen changed");
        if (type === "Web" && url === HTML_URL) {
            tabletButton.editProperties({isActive: true});
            if (!shown) {
                // hook up to event bridge
                tablet.webEventReceived.connect(onWebEventReceived);
            }
            shown = true;
        } else {
            tabletButton.editProperties({isActive: false});
            if (shown) {
                // disconnect from event bridge
                tablet.webEventReceived.disconnect(onWebEventReceived);
            }
            shown = false;
        }
    }

    function onWebEventReceived(msg) {
        var message = JSON.parse(msg);
        switch(message.type) {
            case MSG_INIT: {
                init(message.data);                
                break;
            }
            case MSG_STOP: {
                stop();                
                break;
            }
			case MSG_DOCUMENT_LOADED: {
                tablet.emitScriptEvent(JSON.stringify(  
                    {   
						"type": MSG_CREATE, 
                        "data": { 
                                    "replicaCount": Test.getOtherAvatarsReplicaCount(), 
                                    "domainTrans": DOMAIN_TRANS,
                                    "domainGoto": DOMAIN_GOTO
                                }
                    }  
                ));
                break;
            }
        }
    }
    
    tablet.screenChanged.connect(onScreenChanged);
    
    function shutdownTabletApp() {
        tablet.removeButton(tabletButton);
        if (shown) {
            tablet.webEventReceived.disconnect(onWebEventReceived);
            tablet.gotoHomeScreen();
        }
        tablet.screenChanged.disconnect(onScreenChanged);
    }
        
    function init(data) {
        DOMAIN_GOTO = data.domainGoto;
        DOMAIN_TRANS = data.domainTrans;
        if (Window.location == DOMAIN_GOTO) {
            stop();
        } 
        Script.setTimeout(function() {
            Test.setOtherAvatarsReplicaCount(data.replicaCount);
            Window.location = DOMAIN_GOTO;
        }, 500);
    }
    
    function stop() {
        Test.setOtherAvatarsReplicaCount(0);
        Window.location = DOMAIN_TRANS;
    }
        
    Script.scriptEnding.connect(function () {
        shutdownTabletApp();
    });
    
}());