// ==UserScript==
// @name WaniKani Improve
// @namespace http://www.michaelfrank.com.br/
// @include http://www.wanikani.com/review
// @version 2.1
// @grant GM_addStyle
// @grant GM_getResourceText
// @run-at document-end
// @require http://code.jquery.com/jquery-1.9.1.min.js
// @require http://cdnjs.cloudflare.com/ajax/libs/qtip2/2.1.1/jquery.qtip.min.js
// @resource qtipCSS http://qtip2.com/v/stable/jquery.qtip.min.css
// ==/UserScript==

var qtipCSS = GM_getResourceText("qtipCSS");
GM_addStyle(qtipCSS);

var playAudio = 0;
var timer = 200;
var lastItem = "";
var currentItem = "";
var lastType = "";
var currentType = "";
var url = "";
var isAudioPlaying = 0;
var saved_lastType = "";
var saved_lastItem = "";
var saved_currentItem="";

WhenNewQuestion();
setTimeout(WaitForCorrectAnswer, timer);

$('<li id="option-show-previous"><span><i class="icon-question-sign"></i></span></li>').insertAfter('#option-home').addClass('disabled').attr('title','Previous item unavailable');
$('#hotkeys').text('');
$('<style type="text/css"> .qtip{ max-width: 380px !important; } #reviews nav li { width: 16% !important; }</style>').appendTo('head');

$("ul li").attr("style","width: 16.6%");

function MoveToNextQuestion()
{
    $('button').click();
    isAudioPlaying = 0;
    setTimeout(WaitForCorrectAnswer, timer);
}

function PlayAudioClipThenMove()
{
    if ($(".play")[0] != undefined)
    {
        $(".play")[0].click();
        setTimeout(MoveToNextQuestion, 2000);
    }
    else
    {
        MoveToNextQuestion();
    }
}

function WaitForCorrectAnswer()
{
        if (($('fieldset').attr("class") == "correct") && (isAudioPlaying == 0))
        {
            if ((playAudio == 1) && ($("#option-audio").attr("class") != "disabled"))
            {
                isAudioPlaying = 1;
                setTimeout(PlayAudioClipThenMove, timer);
            }
            else {
                MoveToNextQuestion();
            }
        }
        else
        {
            setTimeout(WaitForCorrectAnswer, timer);
        }
}

function WhenNewQuestion()
{
        currentType = $("#character").attr("class");

        if (currentType == "vocabulary")
        {
                currentItem = $("#character").find("span").text();
        }
        else if (currentType == "kanji")
        {
                currentItem = $("#character").find("span").text();
        }
        else
        {
                /*currentItem = $("#meanings p").text().toLowerCase();
                currentItem = currentItem.replace(" ","-");*/
                currentItem ='';
        }
        if (currentItem != lastItem)
        {
                saved_currentItem = $('#character').children("span").text();
                if(lastItem == '')
                {
                    $('#option-show-previous').addClass('disabled').attr('title', 'Previous item unavailable');
                }
                else
                {
                    saved_lastType = lastType;

                    $('#option-show-previous').removeClass('disabled').attr('title', 'Check more information about the ' + saved_lastType + ' ' + saved_lastItem).html('<span><i class="icon-question-sign"></i> ' + saved_lastItem+'</span>');

                    url = "http://www.wanikani.com/quickview/";
                    if (lastType == "kanji")
                    {
                            url += "kanji\/"+lastItem;
                    }
                    else if (lastType=="vocabulary")
                    {
                            url += "vocabulary\/" + lastItem;
                    }
                    else
                    {
                            url += "radicals\/" + lastItem;
                    }
                }
        }

        $('#hotkeys').text('');

        saved_lastItem = saved_currentItem;

        lastType = currentType;
        lastItem = currentItem;


        $('#option-show-previous').not('.inactive').on('click', function(event) {
             $(this).qtip({
                show: 'click',
                hide: 'unfocus',
                overwrite: true, // Don't overwrite tooltips already bound
                content: {
                    title: 'Previous ' + saved_lastType,
                    text: '<iframe src="' + url + '" frameborder="0" marginheight="0" style="width:350px; height: 250px; overflow-x: hidden; overflow-y: scroll"></iframe>'
                },
                position: {
                    my: 'Top Center',
                    at: 'Bottom Center',
                    viewport: $(window)
                },
                show: {
                    event: event.type, // Use the same event type as above
                    ready: true // Show immediately - important!
                },
                style: 'qtip-bootstrap'
            });
        });

}

$("#question-type").on("DOMNodeInserted", WhenNewQuestion);