/**
 * Created by Asher on 5/10/2016.
 */
/*jshint strict: false */

$(document).ready(function(){
    $.ajax({
        url: '/alreadyLoginCheck',
        type: 'GET',
        success: function (data) {
            if(data == 'true') {
                document.getElementById("buttons").style.display = "block";
                document.getElementById('virtual screen').style.display = "none";
            }
        }
    });
});

function doCalc()
{
    document.getElementById("photo").style.display = "none";
    var divHere = document.getElementById("here");

    //remove previous tabs
    while (divHere.firstChild) {
        divHere.removeChild(divHere.firstChild);
    }

    $.ajax({
        url: '/calc/value/',
        type: 'GET',
        success: function (data) {
            console.log(data);
            var num = document.createElement("input");
            num.setAttribute("id","num");
            num.setAttribute("class", "text num");
            num.setAttribute("type", "text");
            num.value = data;
            divHere.appendChild(document.createElement("br"));
            divHere.appendChild(num);
        }
    });

    divHere.appendChild(document.createElement("br"));
    divHere.appendChild(document.createElement("br"));

    createMathButton("appendOne()", "1");
    createMathButton("appendTwo()", "2");
    createMathButton("appendThree()", "3");
    divHere.appendChild(document.createElement("br"));
    createMathButton("appendFour()", "4");
    createMathButton("appendFive()", "5");
    createMathButton("appendSix()", "6");
    divHere.appendChild(document.createElement("br"));
    createMathButton("appendSeven()", "7");
    createMathButton("appendEight()", "8");
    createMathButton("appendNine()", "9");
    divHere.appendChild(document.createElement("br"));
    createMathButton("plusFunc()", "+");
    createMathButton("appendZero()", "0");
    createMathButton("minusFunc()", "-");
    createMathButton("multFunc()", "*");
    divHere.appendChild(document.createElement("br"));
    createMathButton("divFunc()", "/");
    createMathButton("eqFunc()", "=");
    createMathButton("appendPoint()", ".");
    createMathButton("clearFunc()", "Clear");

}
function appendPoint(){
    document.getElementById("num").value += ".";
}
function appendZero(){
    document.getElementById("num").value += 0;
}
function appendOne(){
    document.getElementById("num").value += 1;
}
function appendTwo(){
    document.getElementById("num").value += 2;
}function appendThree(){
    document.getElementById("num").value += 3;
}
function appendFour(){
    document.getElementById("num").value += 4;
}
function appendFive(){
    document.getElementById("num").value += 5;
}
function appendSix(){
    document.getElementById("num").value += 6;
}
function appendSeven(){
    document.getElementById("num").value += 7;
}
function appendEight(){
    document.getElementById("num").value += 8;
}
function appendNine(){
    document.getElementById("num").value += 9;
}
function createMathButton(type, symbol) {
    var mButton = document.createElement("input");
    mButton.setAttribute("class", "math");
    mButton.setAttribute("type", "button");
    mButton.setAttribute("value", symbol);
    mButton.setAttribute("onclick", type);
    var divHere = document.getElementById("here");
    divHere.appendChild(mButton);
    divHere.appendChild(document.createTextNode(" "));
}



var option = [];
function plusFunc(){
    var x = document.getElementById("num").value;
    option.push(Number(x));
    document.getElementById("num").value = "";
    option.push("+");
}
function minusFunc(){
    var x = document.getElementById("num").value;
    option.push(Number(x));
    document.getElementById("num").value = "";
    option.push("-");
}

function multFunc(){
    var x = document.getElementById("num").value;
    option.push(Number(x));
    document.getElementById("num").value = "";
    option.push("*");
}

function divFunc(){
    var x = document.getElementById("num").value;
    option.push(Number(x));
    document.getElementById("num").value = "";
    option.push("/");
}

function eqFunc(){
    option.push(Number(document.getElementById("num").value));
    var total = option[0];

    if(option.length > 3 || option.length === 3 && isNaN(total) === false) {
        for (var i = 1; i < option.length - 1; i += 2) {
            if (option[i] === "+") {
                total += option[i + 1];
            } else if (option[i] === "-") {
                total -= option[i + 1];
            } else if (option[i] === "*") {
                total *= option[i + 1];
            } else if (option[i] === "/") {
                total /= option[i + 1];
            }else{
                alert("Invalid sequence of numbers and operators");
                clearFunc();
                break;
            }
        }
        document.getElementById("num").value = total;
        $.ajax({
            url: '/calc/value/' + total,
            type: 'POST',
            success: function (data) {

            }
        });
        option = [];
    }else{
        alert("Invalid sequence of numbers and operators");
        clearFunc();
    }
}

function clearFunc() {
    option = [];
    document.getElementById("num").value = "";
    $.ajax({
        url: '/calc/value/' + 0,
        type: 'POST',
        success: function (data) {

        }
    });
}

function postToServer() {
    var user = document.getElementById("user").value;
    console.log("in postTo");
    var pass = document.getElementById("pass").value;

    var userInfo = {
        'username' : $('input[id=user]').val(),
        'userPassword' : $('input[id=pass]').val()
    };
    $.ajax({
        url: "/login",
        type: "POST",
        datatype: "json",
        data: userInfo,
        success: function(data){
            if(data.loggedIn === 'true') {
                document.getElementById('virtual screen').style.display = "none"
                document.getElementById('buttons').style.display = "block";
                //in case this isn't the first time the user is trying to login.
                document.getElementById('incorrect').style.display = "none";
            } else {
                document.getElementById('incorrect').style.display = "block";
                console.log("WRONG USERNAME OR PASSWORD");
            }

        }

    });
}

function doProfile(){
    var b = document.getElementById("here");
    while (b.firstChild) {
        b.removeChild(b.firstChild);
    }

    $.ajax({
        url: '/quotes/random',
        type: 'GET',
        success: function (data) {
            $('#here').text(data);
        }
    });
    document.getElementById("photo").style.display = "block";
}


function doReadme(){
    document.getElementById("photo").style.display = "none";
    var b = document.getElementById("here");
    while (b.firstChild) {
        b.removeChild(b.firstChild);
    }
    var  nodeToAppend = document.createElement('P');
    var  nodeToAppend2 = document.createElement('P');
    nodeToAppend.appendChild(document.createTextNode("The hardest part was the calculator"));
    nodeToAppend2.appendChild(document.createTextNode("The nicest part was creating this feature"));
    b.appendChild(nodeToAppend);
    b.appendChild(nodeToAppend2);
}