var keytok, ivtok, key, key1, key2, iv, encpass;

var host;

function storePass(encpass) {
    $.ajax({
        type: 'POST',
        url : 'example.php',
        data: { host: host, save: encpass },
        success: function(data, statuscode) {
                     console.log('Password saved: ' + statuscode);
                 },
        error:   function() {
                     console.log('Unable to save password.');
                 }
    });
}

function startCrypt() {
    var crypt;
    host = document.getElementById("hostfield").value;

    $.ajax({
        type: 'POST',
        url:  'encrypt.php',
        data: { host: host },
        success: function(data, statuscode) {
                     var encpass = '';

                     crypt = data;
                     crypt = JSON.parse(crypt);
                     console.log('crypt is: "' + crypt + '"');
                     crypt.key = crypt.key; //.toString(CryptoJS.enc.Latin1);
                     crypt.iv  = crypt.iv; //.toString(CryptoJS.enc.Latin1);
                     encpass = CryptoJS.AES.encrypt( getPass(), crypt.key, { iv: crypt.iv } );
                     console.log("Key: '" + crypt.key + "'");
                     console.log("IV: '"  + crypt.iv  + "'");
                     console.log("Encrypted Password: '" + encpass + "'");
                     storePass(encpass);
                 },
        error:   function() {
                     console.log('No data returned.');
                     crypt = null;
                 }
    });
}

function decrypt() {
    if(typeof iv === 'undefined' || typeof key === 'undefined') {
        console.log("Error decrypting. IV or Key is undefined.");
        return;
    }

    $.ajax({
        type: 'POST',
        url:  'decrypt.php',
        success: function(data, statuscode) {
                     encpass = (JSON.parse(data)).encpass;

                     var decrypted = CryptoJS.AES.decrypt(
                        encpass,
                        key,
                        { iv: iv }
                     );
                     decrypted = decrypted.toString(CryptoJS.enc.Utf8);
                     console.log("Decrypted Password: '" + decrypted + "'");
                 },
         error:  function() {
                     console.log("Error decrypting. Could not retrieve encrypted password.");
                 }
    });
}

function tokenRequest(type) {
    if(type != "key" && type != "iv") {
        console.log('ffs');
        return;
    }

    $.ajax({
        type: 'POST',
        url:  './api/token/',
        data: { tokType: type, host: host },
        success: function(data, statuscode) {
                     if(type == "key") {
                         keytok = data;
                         console.log(keytok);
                     }
                     else {
                         ivtok = data;
                         console.log(ivtok);
                     }
                 },
        error:   function() {
                     console.log('Something terrible happened.');
                 }
    });
}

function getPass() {
    return document.getElementById("passfield").value;
}

function keyRequest() {
    $.ajax({
        dataType:      'jsonp',
        jsonp:         'keyReq:' + keytok,
        jsonpCallback: host,
        url:           'http://localhost:2343',
    });
}

function ivRequest() {
    $.ajax({
        dataType:      'jsonp',
        jsonp:         'ivReq:' + ivtok,
        jsonpCallback: host,
        url:           'http://localhost:2344',
    });
}

function procKey(data) {
    if('error' in data) {
        console.log(data.error);
    }
    else if('keys' in data) {
        key1 = data.keys[0];
        key2 = data.keys[1];
        key  = makeKeys();
        console.log(key);
    }
    else {
        console.log("Undefined Behaviour");
    }
}

function procIv(data) {
    if('error' in data) {
        console.log(data.error);
    }
    else if('iv' in data) {
        iv = data.iv;
        console.log(iv);
    }
    else {
        console.log("Undefined Behaviour");
    }
}

function makeKeys(type) {
    console.log('making the keys');
    var fullKey = '';

    $.ajax({
        type: 'POST',
        url:  './api/key/',
        data: { key1: key1, key2: key2 },
        success: function(data, statuscode) {
                     fullKey = data;
                     console.log(data);
                 },
        error:   function() {
                     console.log('Something terrible happened.');
                 }
    });

    return fullKey;
}