(function () {
    "use strict";

    var newsletterFormConfig = {
        masterDataAcronym: "NL",
        formID: "formNewsletter",
        formMessagesContainerClass: "formMessages",

        nameInputName: "txtName",
        nameInputRequiredText: "Por favor ingresa tu nombre",
        nameInputText: "Por favor ingresa un nombre valido",

        emailInputName: "txtEmail",
        emailInputRequiredText: "Por favor ingresa tu correo",
        emailInputEmailText: "Por favor ingresa un email valido",

        userRegisteredSuccessfullyText: "Sus datos fueron enviados con éxito",
        userRegisteredAlreadyExist: "Lo sentimos, el correo ya está registrado",
        userRegisterErrorText: "Hubo un error al enviar sus datos, inténtelo más tarde"
    };

    function init() {
        initNewsletterForm();
    }

    function initNewsletterForm(){
        var validationConfig = {};
        var form = $("#"+newsletterFormConfig.formID);

        if(!form.length){return;}

        validationConfig.errorPlacement = errorPlacement;
        validationConfig.submitHandler = newsletterFormSubmitHandler;

        form.validate(validationConfig);
        addNewsletterFormRules(form);
    }

    function newsletterFormSubmitHandler(form) {
        var formMessagesContainer = $("." + newsletterFormConfig.formMessagesContainerClass);

        form = $(form);

        var payload = {
            email: form.find("[name="+newsletterFormConfig.emailInputName+"]").val(),
            name: form.find("[name="+newsletterFormConfig.nameInputName+"]").val()
        };

        var success = function () {
            submitNewsletterForm(payload, form);
        };

        var error = function () {
            showMessage(newsletterFormConfig.userRegisteredAlreadyExist, formMessagesContainer);
        };

        validateEmail(payload.email, newsletterFormConfig, success, error);


    }

    function validateEmail(email, formConfig, success, error){
        var masterDataAcronym = formConfig.masterDataAcronym;
        var url = "/polipapel/dataentities/"+masterDataAcronym+"/search?_where=email="+email;

        var request = {
            url : url,
            contentType : 'application/json; charset=utf-8',
            type : "GET",
            success : function (data) {
                if(!data.length){
                    success();
                }
                else {
                    error();
                }
            },
            error : success
        };
        $.ajax(request);
    }

    function submitNewsletterForm(payload, form) {
        var formMessagesContainer = $("." + newsletterFormConfig.formMessagesContainerClass);
        var submitButton = form.find(':input[type="submit"]');
        var buttonText = submitButton.html();

        submitButton.html("Enviando..");
        submitButton.prop('disabled', true);

        var resetForm = function () {
            submitButton.prop('disabled', false);
            submitButton.html(buttonText);
            form.trigger("reset");
        };

        var success = function () {
            showMessage(newsletterFormConfig.userRegisteredSuccessfullyText, formMessagesContainer);
            resetForm();
        };

        var error = function () {
            $('.formMessages').empty();
            showMessage(newsletterFormConfig.userRegisterErrorText, formMessagesContainer);
            resetForm();
        };

        registerData(payload, newsletterFormConfig.masterDataAcronym, success, error);
    }

    function addNewsletterFormRules(form) {
        form.find("[name="+newsletterFormConfig.nameInputName+"]").rules("add", {
            required: true,
            messages: {
                required: newsletterFormConfig.nameInputRequiredText
            }
        });

        form.find("[name="+newsletterFormConfig.emailInputName+"]").rules("add", {
            required: true,
            email: true,
            messages: {
                required: newsletterFormConfig.emailInputRequiredText,
                email: newsletterFormConfig.emailInputEmailText
            }
        });
    }

    function errorPlacement(error) {
        error.appendTo(".formMessages");
    }

    function registerData(payload, masterDataAcronym, success, error) {
        var request = {
            url : "/api/ds/pub/documents/"+masterDataAcronym,
            contentType : 'application/json; charset=utf-8',
            data: JSON.stringify(payload),
            type : "POST",
            success : success,
            error : error
        };
        $.ajax(request);
    }

    function showMessage(message, messagesContainer) {
        messagesContainer.html(message);
        messagesContainer.show();
        setTimeout(function(){
           messagesContainer.fadeOut("fast");
        },10000);
    }

    $(document).ready(init);

})();