/************************************************************************************
 FUNCIONALIDADE: ALTO CONTRASTE
 ************************************************************************************/

/* Checa se Alto Constraste está ativo implementa alterações */
if (getCookie("altoContraste") == "true") {
    setHighContrast();
}


/* Define Alto Contraste */
$(".altoContraste").click(function () {
    
    if (getCookie("altoContraste") == "true") {
        removeHighContrast();
    }else {
        setHighContrast();
    }
});

function toogleHC(){

  if (getCookie("altoContraste") == "true") {
        removeHighContrast();
    }else {
        setHighContrast();
    }
}

/* Função que implementa alterações do Alto Contraste */
function setHighContrast() {
    setCookie("altoContraste", "true", 0.5);
    $("body").addClass("contraste");
    $("#hc-estilo").prop('disabled', false);
}

/* Função que remove alterações do Alto Contraste */
function removeHighContrast() {
    setCookie("altoContraste", "false", 0.5);
    $( this )
    $("body").removeClass("contraste");
    $("#hc-estilo").prop('disabled', true);
}

/************************************************************************************
 FUNCIONALIDADE: MANIPULAÇÃO DE COOKIES
 ************************************************************************************/

/* Cookies */
function setCookie(cname, cvalue, exdays) {
    var d = new Date();
    d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
    var expires = "expires=" + d.toUTCString();
    document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}

function getCookie(cname) {
    var name = cname + "=";
    var decodedCookie = decodeURIComponent(document.cookie);
    var ca = decodedCookie.split(';');
    for (var i = 0;i < ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') {
            c = c.substring(1);
        }
        if (c.indexOf(name) == 0) {
            return c.substring(name.length, c.length);
        }
    }
    return "";
}

function checkCookie() {
    var username = getCookie("username");
    if (username != "") {
        alert("Welcome again " + username);
    }
    else {
        username = prompt("Please enter your name:", "");
        if (username != "" && username != null) {
            setCookie("username", username, 365);
        }
    }
}