// ==UserScript==
// @name         Instantling
// @namespace    http://instaling.pl
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://instaling.pl/*
// @grant        none
// ==/UserScript==

//^\/

(function() {
    'use strict';

    let emptyWords = [];
    let empty = false;
    let lastWord = null;

    function loadStorage() {
        if(localStorage.getItem('instantling') != null) {
            emptyWords = JSON.parse(localStorage.getItem('instantling'));
        }
    }

    function getAnswer() {
        let rawAnswer = document.querySelector('#jp_audio_0').getAttribute('src');
        let lookForMore = false;
        for(let i=0; i<emptyWords.length; i++) {
            if(emptyWords[i].includes(document.querySelector('#answer_translations').innerText)) {
                return emptyWords[i][1]
            }
            if(i==emptyWords.length-1) {
                lookForMore = true;
            }
        }
        if (lookForMore) {
            if (rawAnswer != "/mp3/_empty.mp3" && rawAnswer != lastWord) {
                let answer = rawAnswer.slice(28, rawAnswer.length-4);
                return decodeURI(answer);
            }
            else if (rawAnswer == "/mp3/_empty.mp3" || lastWord == document.querySelector('#jp_audio_0').getAttribute('src')) {
                console.log('findWord()');
                return findWord(document.querySelector('#answer_translations').innerText);
            }
        }
    }

    function findWord(word) {
        if(emptyWords.length != 0) {
        for(let i=0; i<emptyWords.length; i++) {
            if(emptyWords[i].includes(word) == true) {
                return emptyWords[i][1];
            }
        }
    }
    console.error('Nie znaleziono slowka, przejdź dalej i kliknij ] żeby zapisać');
    empty = true;
    }

    function fillWord() {
    if(empty) {
        let translatedAnswer = document.querySelector('#answer_translations').innerText;
        let word = document.querySelector('#word').innerText;
        console.warn(`Zapisano ${translatedAnswer} ${word}`);
        emptyWords.push([translatedAnswer, word]);
        saveToStorage();
        empty = false;
    }

    }

    function saveToStorage() {
        localStorage.setItem('instantling', JSON.stringify(emptyWords));
    }


    loadStorage()

    const input = document.querySelector('#answer');


    document.addEventListener('keyup', (event) => {
       if(event.keyCode == 219) {
           loadStorage();
           input.value = getAnswer();
       }
       if(event.keyCode == 221) {
           if(empty) {
               fillWord();
           }
           else if (document.querySelector('#answer_result_fieldset > h4 > .red') != null) {
            for(let i=0; i<emptyWords.length; i++) {
                if(emptyWords[i].includes(document.querySelector('#answer_translations').innerText)) {
                    emptyWords[i][1] = document.querySelector('#word').innerText;
                    saveToStorage();
                    console.warn("ENTER: fixed answer")
                }
            }
        }
        else if (document.querySelector('#answer_result_fieldset > h4 > .blue') != null) {
             for(let i=0; i<emptyWords.length; i++) {
                 if(emptyWords[i].includes(document.querySelector('#answer_translations').innerText)) {
                     let fixedAnswer = document.querySelector('#word').innerText;
                     emptyWords[i][1] = fixedAnswer.toLowerCase();
                     saveToStorage();
                     console.warn("ENTER: fixed answer [lowercase]");
                 }
             }
        }
       }
       if(event.keyCode == 13) {
           lastWord = document.querySelector('#jp_audio_0').getAttribute('src');
       }
    });


})();