"use strict";

//
//  feedbackApp.js
//  tablet-app
//
//  Integrated AppUi by Robin Wilson 10/11/2018
//  Created by Mark Brosche and Robin Wilson 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 ui;

    var FEEDBACK_APP_DATA = "io.highfidelity.feedbackApp.data";
    var FEEDBACK_CURRENT_EVENTNAME = "io.highfidelity.feedbackApp.currentEventName";
    
    var currentEventName;

    var VOTED = "voted";
    var NOT_DONE_VOTING = "notdone"; 

    var AppUi = Script.require('appUi');
    var APP_NAME = "FEEDBACK";
    var APP_URL = "https://hifi-content.s3.amazonaws.com/Experiences/LoadTest/FeedbackApp/AppScripts/feedbackAppWebPage.html?v2";
    
    //Get a reference to the Google Sheets API
    var GOOGLE_API_URL = "https://script.google.com/macros/s/AKfycbyWC4btUmE3LD6_dV2Nfkoc6C9FPKtRwtQRr23dNAMcX2ur-f0u/exec";

    function startup() {
        ui = new AppUi({
            buttonName: APP_NAME,
            home: APP_URL,
            graphicsDirectory: Script.resolvePath("./icons/"),
            onMessage: function (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") {
                    // 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: currentEventName,
                        rating: event.data,
                        isApp: true,
                        UUID: MyAvatar.sessionUUID
                    };
                    sendInput(params);
                }
            }
        });
    }
    
    // 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(FEEDBACK_APP_DATA, {
                    eventName: currentEventName,
                    voted: VOTED
                });

                Script.setTimeout(function () {
                    // do the unload
                    ui.onScriptEnding();
                }, 2000);                
            }
        };
        request.send();
    }
    
    // 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("&");
    }

    function shouldLoadApp () {
        
        var feedbackData = Settings.getValue(FEEDBACK_APP_DATA);
        currentEventName = Settings.getValue(FEEDBACK_CURRENT_EVENTNAME);
        var shouldLoad;

        var voted = false;
    
        // current event data is present
        if (feedbackData && feedbackData.eventName === currentEventName) {
            // voted is true if they voted, not true if they haven't
            voted = feedbackData.voted === VOTED;
        }
    
        // current event data is not present, set the event data to the present event
        if (!feedbackData || feedbackData.eventName !== currentEventName) {
            Settings.setValue(FEEDBACK_APP_DATA, {
                eventName: currentEventName,
                voted: NOT_DONE_VOTING
            });
        }

        // load app only if they have not voted
        shouldLoad = !voted;

        return shouldLoad;
    }
    
    if (shouldLoadApp()) {
        // never loaded feedback app before 
        startup();

    } else {
        // loaded feedback but hasnt voted
        // empty
    }

}());