(function () {

    "use strict";

    angular
        .module("app.helpers")
        .factory("helpers.internalMessages", internalMessages);

    function internalMessages(uiNotifications, $translate, localizationHelper) {

        var translationObject = {};        

        var loadTranslation = function(){
            $translate(['AdminHasBeenCreated', 'ClientHasBeenCreated', 'AdminHasBeenUpdated', 'UserHasBeenUpdated', 'UserPasswordHasBeenUpdated',
            'Info', 'Warning']).then(function (tr) {
                translationObject = tr;
            });
        };

        localizationHelper.eventEmitter.subscribe('onLanguageChangedEvent', function (lang) {
            loadTranslation();
        });
        loadTranslation();

        return {
            "ADMIN_CREATED": adminCreated,
            "ADMIN_UPDATED": adminUpdated,
            "USER_CREATED": userCreated,
            "USER_UPDATED": userUpdated,
            "USER_PASSWORD_UPDATED": userPasswordUpdated,
            "messageAfterRequest": messageAfterRequest
        };

        /**
         * Generate message when a new admin was created.
         * @param {string} email
         * @returns {string}
         */
        function adminCreated(email) {
            return translationObject["AdminHasBeenCreated"].replace("{0}", email);
        }

        /**
         * Generate message when a new user was created.
         * @param {string} email
         * @returns {string}
         */
        function userCreated(email) {
            return translationObject["ClientHasBeenCreated"].replace("{0}", email);
        }

        /**
         * Generate message when admin was updated.
         * @param {string} email
         * @returns {string}
         */
        function adminUpdated(email) {
            return translationObject["AdminHasBeenUpdated"].replace("{0}", email);
        }

        /**
         * Generate message when user was updated.
         * @param {string} email
         * @returns {string}
         */
        function userUpdated(email) {
            return translationObject["UserHasBeenUpdated"].replace("{0}", email);
        }

        /**
         * Generate message when user password was modified.
         * @returns {string}
         */
        function userPasswordUpdated() {
            return translationObject["UserPasswordHasBeenUpdated"];
        }

        /**
         * Obtain the response and display standard exception or internal message on successful result.
         * @param {string|number} message
         * @param {object} response
         */
        function messageAfterRequest(message, response) {
            if (response.success) {
                uiNotifications.inform(message, 'info');
            } else {
                uiNotifications.inform(response.message, 'warning');
            }
        }

    }

    // IoC container.
    internalMessages.$inject = [
        "appUtils.uiNotifications",
        "$translate",
        "helpers.localization"
    ];

})();