var waitForAndExecute = function(waitForFun, execFun) {
    (function() {
        function waitForAndExecute(waitForFun, execFun) {
            if (!waitForFun()) {
                setTimeout(function() {
                    waitForAndExecute(waitForFun, execFun);
                }, 100);

                return;
            }

            execFun();
        };

        waitForAndExecute(waitForFun, execFun);
    })();
};

var clickWhenAvailable = function(query, callback) {
    waitForAndExecute(
        function() {
            return document.querySelector(query);
        },
        function() {
            document.querySelector(query).click();

            callback();
        }
    );
};

var setValueWhenAvailable = function(query, value, callback) {
    waitForAndExecute(
        function() {
            return document.querySelector(query);
        },
        function() {
            document.querySelector(query).value = value;

            callback();
        }
    );
};

var yourAccountName = document.querySelector('.Header__userpic a').title;
var toAccountName = window.location.pathname.split('/')[1].substring(1);

document.querySelector('[href="/@' + yourAccountName + '"]').click();

clickWhenAvailable('[href="/@' + yourAccountName + '"]', function() {
    clickWhenAvailable('[href="/@' + yourAccountName + '/transfers"]', function() {
        clickWhenAvailable('.UserWallet__balance:nth-child(4) a', function() {
            clickWhenAvailable('.UserWallet__balance:nth-child(4) li a', function() {
                setValueWhenAvailable('[role="dialog"] input', toAccountName, function() {
                    setTimeout(function() {
                        document.querySelectorAll('[role="dialog"] input')[1].focus();
                    }, 500);
                });
            });
        });
    });
});