var reponse = "";
var word ="";
const good_letter_color = "#98D98B";
const good_letter_text_color = "#284D32";
const bad_letter_color = "#EB9181";
const bad_letter_text_color = "#52201A";
const mid_letter_color = "#F8EEA0";
const mid_letter_text_color = "#665B26";
const base_letter_color = "#f3d7c7" ;
const base_letter_text_color = "#632D17" ;
var free_box = [1,1];
let arrWords;
readTextFile("words.txt");

aleatoire();
setMyKeyDownListener();

function change_color_good_letter(coord){
    var case_div = document.getElementById(coord);
    case_div.style.color = good_letter_text_color;
    coord = "case".concat(coord)
    console.log(coord)
    case_div = document.getElementById(coord);
    case_div.style.backgroundColor = good_letter_color;
}


function change_color_bad_letter(coord){
    var case_div = document.getElementById(coord);
    case_div.style.color = bad_letter_text_color;
    coord = "case".concat(coord)
    console.log(coord)
    case_div = document.getElementById(coord);
    case_div.style.backgroundColor = bad_letter_color;
}

function change_color_mid_letter(coord){
    var case_div = document.getElementById(coord);
    case_div.style.color = mid_letter_text_color;
    coord = "case".concat(coord)
    console.log(coord)
    case_div = document.getElementById(coord);
    case_div.style.backgroundColor = mid_letter_color;
}

function key_color_good_letter(coord){
    coord = "case".concat(coord)
    console.log(coord)
    var case_div = document.getElementById(coord);
    case_div.style.backgroundColor = good_letter_color;
}

function key_color_bad_letter(coord){
    coord = "case".concat(coord)
    console.log(coord)
    var case_div = document.getElementById(coord);
    case_div.style.backgroundColor = bad_letter_color;
}

function key_color_mid_letter(coord){
    coord = "case".concat(coord)
    console.log(coord)
    var case_div = document.getElementById(coord);
    case_div.style.backgroundColor = mid_letter_color;
}

function update(x) {
    if (free_box[1]==6) {
    }
    else {
        word += x.toLowerCase();
        free = free_box.map(num=>{return String(num)}).join("");
        console.log(free);
        document.getElementById(free).innerHTML = x;
        free_box[1]+=1;
    }
}

function Supprimer() {
    document.getElementById("info").innerHTML="";
    word = word.slice(0,-1);
    if (free_box[1]==1) {
    }
    else {
        free_box[1]+=-1;
    }
    free = free_box.map(num=>{return String(num)}).join("");
    document.getElementById(free).innerHTML = "";
}

function Enter() {
    if (verifWord() && free_box[0]!=6) {
        write_result(verifLettres(word));
        free_box[0]+=1;
        free_box[1]=1;
        word="";
    }
    if (verifWord() && free_box[0]==6) {
        write_result(verifLettres(word));
        if(word != reponse){
            document.getElementById("info").innerHTML=("The correct word was <b> "+ reponse +"</b>. <button style=\"width:100px;\" type=\"button Z\" onclick=\"recommencer()\">Start Over</button>");
        }
    }
}

function verifLettres() {
    let verif = [0,0,0,0,0];
    for(let i=0 ; i<5; i++){
        if(word[i]==reponse[i]){
            verif[i]=2;
        }
        else{
            if(reponse.includes(word[i])){
                verif[i]=1;
            }
        }
    }
        console.log(verif);
        return verif;
}

function write_result(verif){
    let pos = "";
    pos = free_box[0].toString();
    let good_letter = 0;
    for(let i=0; i<5; i++){
        pos = (free_box[0]).toString();
        pos = pos.concat((i+1).toString());
        if (verif[i] == 2){
            change_color_good_letter(pos);
            good_letter += 1;
        }
        else if ( verif[i]===1){
            change_color_mid_letter(pos);
        }
        else{
            change_color_bad_letter(pos);
        }
    }
    if (good_letter == 5){
        document.getElementById("info").innerHTML=("Congratulations! The correct word was <b> "+ reponse +"</b>. <button style=\"width:100px;\" type=\"button Z\" onclick=\"recommencer()\">Start Over</button>");
    }
}

function recommencer (){
    word="";
    let coord;
    for (let i=1; i<6; i++){
        for (let j=1; j<7; j++){
            coord = (j.toString() + i.toString());
            document.getElementById(coord).innerHTML = "";
            var case_div = document.getElementById("case" +coord);
            case_div.style.backgroundColor = base_letter_color;
            case_div = document.getElementById(coord);
            case_div.style.color = base_letter_text_color;
        }
    }
    document.getElementById("info").innerHTML=("");
    aleatoire();
    free_box = [1,1];
}

function readTextFile(file) { //Merci StackOverflow
    var rawFile = new XMLHttpRequest();
    rawFile.open("GET", file, false);
    rawFile.onreadystatechange = function (){
        if(rawFile.readyState === 4){
            if(rawFile.status === 200 || rawFile.status == 0){
                var allText = rawFile.responseText;
                arrWords=allText.split(/\r?\n/);
            }
        }
    }
    rawFile.send(null);
}

function verifWord() {
    let exist = false;
    if (word.length == 5){
        for(let i = 0; i< arrWords.length;i++){
            if(arrWords[i]==word){
                exist = true;
            }
            else {
                document.getElementById("info").innerHTML="NOT A WORD";
            }
        }
    }
    return exist;
}

function aleatoire() {
    let rand = Math.floor(Math.random() * arrWords.length);
    reponse = arrWords[rand];
    console.log(reponse);
}

function setMyKeyDownListener() {
    window.addEventListener("keydown",
    function(event){
        console.log(event.key)
        if (event.key == "Enter"){
            Enter(); 
        }
        else if (event.key == "Backspace") {
            Supprimer();
        }
        else if (event.key != "Control" & event.key != "Fn" & event.key != "Alt" & event.key != "Tab" & event.key != "CapsLock"){
            update(event.key);
        }
    });
}