$(function(){
    /*User registration*/
    $("#createUser").click(function(){

        var valid = false;

        //Getting formfields and validating
        var validUser = false;
        var validPass = false;
        var validEmail = false;

        var firstName = $("#Users_firstName").val();
        var lastName = $("#Users_lastName").val();
        var username = $("#Users_username").val();
        var password = $("#Users_password").val();
        var email = $("#Users_email").val();

        if(isEmpty(firstName) || isEmpty(lastName) || isEmpty(username) || isEmpty(password) || isEmpty(email)){
            if($("#blankError").css('display')=='none')
                $("#blankError").slideToggle();
            valid = false;
        }
        else if(!(isEmpty(firstName) && isEmpty(lastName) && isEmpty(username) && isEmpty(password) && isEmpty(email))){
            validPass = true;
            if(validUsername(username)){
                validUser = true;
                if($("#usernameError").css('display')=='block')
                    $("#usernameError").slideToggle();
            }
            else{
                if($("#usernameError").css('display')=='none')
                    $("#usernameError").slideToggle();
            }
            if($("#blankError").css('display')=='block')
                $("#blankError").slideToggle();
            if(validMail(email)){
                validEmail = true;
                if($("#emailError").css('display')=='block')
                    $("#emailError").slideToggle();
            }
            else{
                if($("#emailError").css('display')=='none')
                    $("#emailError").slideToggle();
            }
            if(validPass && validUser && validEmail)
                valid = true;
        }
        if(valid)
            insertUser();

    });
    /*User registration*/

    /*User settings*/
    $("#editUser").click(function(){

        var data = $("#edit-user-form").serialize();
        var action = $("#edit-user-form").attr('action');
        var type = "POST";

        $.ajax({
            type: type,
            url: action,
            data: data,
            success: function() {
            //Handle useredit
            }
        });
        return false;
    });
    /*User settings*/


    /*User interations*/
    $("#addFriend").click(function(){

        var data = $("#add-friend-form").serialize();
        var action = $("#add-friend-form").attr('action');
        var type = "POST"

        $.ajax({
            type: type,
            url: action,
            data: data,
            success: function() {
                $("#addFriend").attr('disabled', 'true');
                $("#addFriend").html('Aguardando Resposta');
            }
        });
        return false;
    });

    $("#removeFriend").click(function(){
        var data = $("#remove-friend-form").serialize();
        var action = $("#remove-friend-form").attr('action');
        var type = "POST"

        $.ajax({
            type: type,
            url: action,
            data: data,
            success: function() {
                $("#removeFriend").attr('disabled', 'true');
                $("#removeFriend").html('Removido');
            }
        });
        return false;
    });

    $("#changeAvatar").click(function(){
        if($("#Users_profilePicture").val()!=''){
            $("#change-avatar-user-form").submit();
        }
    });
    /*User interations*/


    /*Validation functions*/
    function insertUser(){
        var data = $("#create-user-form").serialize();
        var action = $("#create-user-form").attr('action');
        var type = "POST";

        $.ajax({
            type: type,
            url: action,
            data: data,
            success: function() {

            }
        });
        return false;
    }

    function validMail(e){
        var atCount = 0;
        var dotCount = 0;
        if(!isEmpty(e)){
            for(var i = 0;i<e.length;i++){
                if(e.charAt(i)=='@'){
                    atCount++;
                }
                else if(e.charAt(i)=='.'){
                    dotCount++;
                }
            }
            if(dotCount < 1 || atCount!= 1){
                return false;
            }
            else{
                return true;
            }
        }
        else return false;
    }

    function validUsername(username){
        if(!isEmpty(username)){
            for(var i = 0;i<username.length;i++){
                if(isntPermitted(username.charAt(i))){
                    return false;
                }
            }
            return true;
        }
        else return false;
    }


    function isEmpty(s){
        return s.length == 0;
    }


    function isntPermitted(a){
        return (a==' '|| a==';' || a==',');
    }
/*Validation functions*/
});