"use strict";

//
//  feedbackApp.js
//  tablet-app
//
//  Created by Robin Wilson and Mark Brosche on Aug. 31, 2018
//  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
//

/* global AccountServices */

(function () {

    var EVENT_NAME = "loadTest_10_6_2018";
    var VOTED = "voted";

    // Every great app starts with a great name (keep it short so that it can fit in the tablet button)
    var APP_NAME = "FEEDBACK";
    // Link to your app's HTML file
    var APP_URL = "https://hifi-content.s3.amazonaws.com/Experiences/LoadTest/FeedbackApp/AppScripts/feedbackAppWebPage.html?v2";
    // Path to the icon art for your app
    var APP_ICON_INACTIVE = "https://hifi-content.s3.amazonaws.com/Experiences/LoadTest/FeedbackApp/AppScripts/images/feedback-i.svg";
    var APP_ICON_ACTIVE = "https://hifi-content.s3.amazonaws.com/Experiences/LoadTest/FeedbackApp/AppScripts/images/feedback-a.svg";
    //Get a reference to the Google Sheets API
    var GOOGLE_API_URL = "https://script.google.com/macros/s/AKfycbyWC4btUmE3LD6_dV2Nfkoc6C9FPKtRwtQRr23dNAMcX2ur-f0u/exec";

    var HAS_FEEDBACK_APP_SETTING = 'io.highfidelity.feedbackEnabled.appPresent' + EVENT_NAME;
    var FEEDBACK_APP_LOCATION = "./feedbackApp.js?v2";

    var DEBUG = false;

    // Get a reference to the tablet 
    var tablet = Tablet.getTablet("com.highfidelity.interface.tablet.system");
    
    // The following lines create a button on the tablet's menu screen
    var button = tablet.addButton({
        icon: APP_ICON_INACTIVE,
        activeIcon: APP_ICON_ACTIVE,
        text: APP_NAME
    });

    // When user clicks the app button, we'll display our app on the tablet screen
    function onClicked() {
        tablet.gotoWebScreen(APP_URL);
        button.editProperties({
            isActive: true
        });
    }

    // Handle the events we're recieving from the web UI
    function onWebEventReceived(event) {
        // Converts the event to a JavasScript Object
        if (typeof event === "string") {
            try {
                event = JSON.parse(event);
            } catch (e) {
                console.error(e);
            }
        }
        if (event.type === "click" && button.getProperties().isActive) {
            if (DEBUG) {
                print("Rating ", event.data);
            }
            // Define the parameters to output from HiFi to Google Sheets and send them.
            var params = {
                username: AccountServices.username,
                displayName: MyAvatar.displayName,
                date: Date(Date.now()),
                event: EVENT_NAME,
                rating: event.data,
                isApp: true,
                UUID: MyAvatar.sessionUUID
            };
            sendInput(params);
        }
    }

    // Check if the Feedback app is open and set the status.
    function onScreenChanged(type, url) {
        if (button) {
            var isOpen = (url === APP_URL);
            button.editProperties({
                isActive: isOpen
            });
        }
    }

    // Encode params into a string to send.
    function encodeURLParams(params) {
        var paramPairs = [];
        for (var key in params) {
            paramPairs.push(key + "=" + params[key]);
        }
        return paramPairs.join("&");
    }

    // Send input 
    function sendInput(params) {
        var paramString = encodeURLParams(params);
        var request = new XMLHttpRequest();
        request.open('GET', GOOGLE_API_URL + "?" + paramString);
        request.timeout = 10000;
        request.onreadystatechange = function () { // called after load when readyState = 4
            if (request.readyState === 4) {
                Settings.setValue(HAS_FEEDBACK_APP_SETTING, VOTED);
                Script.setTimeout(function () {
                    // do the unload
                    cleanup();    
                }, 2000);                
            }
        };
        request.send();
    }

    function onDomainChanged(domain) {
        cleanup();
    }      
    
    // "Uninstall" the app after user has made a selection.
    function cleanup() {
        if (button) {
            button.editProperties({
                isActive: false
            });
            button.clicked.disconnect(onClicked);
            tablet.removeButton(button);
            button = null;
        }
        tablet.gotoHomeScreen();
        tablet.webEventReceived.disconnect(onWebEventReceived);
        tablet.screenChanged.disconnect(onScreenChanged);
        Script.scriptEnding.disconnect(cleanup);
        Script.stop();
        ScriptDiscoveryService.stopScript(FEEDBACK_APP_LOCATION);
    }
    button.clicked.connect(onClicked);
    tablet.webEventReceived.connect(onWebEventReceived);
    tablet.screenChanged.connect(onScreenChanged);
    Script.scriptEnding.connect(cleanup);
    Window.domainChanged.connect(onDomainChanged);
}());