var Notice_overlay = function(){

    return {

        /**
         * Notice properties
         */
        title                           : '',
        subtitle                        : '',
        details                         : '',
        debug                           : '',
        showDebug                       : false,
        footer                          : '',

        /**
         * Sets default notice messages to use if no message is passed to function
         */
        defaultSuccessMsg               : 'Completed successfully',
        defaultErrorMsg                 : 'An error has occurred',
        defaultWarningMsg               : 'Warning',
        defaultDebuggingMsg             : 'Debugging',

        interval                        : 0,
        timeout                         : 15, // in seconds
        defaultTimeout                  : 15,

        /**
         * Options for modal dialog
         */
        MODAL_OPTIONS : {
            opacity                     : 60,
            overlayId                   : 'notice-overlay',
            containerId                 : 'notice-overlay-container',
            position                    : ['30%',],
            closeClass                  : 'close'
        },

        /**
         * Options for modal dialog in debug mode
         */
        MODAL_DEBUG_OPTIONS : {
            opacity                     : 60,
            overlayId                   : 'notice-overlay',
            containerId                 : 'notice-overlay-container-debug',
            position                    : ['5%',],
            closeClass                  : 'close'
        },

        /**
         * Displays success notice
         *
         * @param string message The success message to display
         */
        success : function(title){

            /* Use default message if none is specified */
            if (title != undefined){
                this.title              = title;
            }
            else if (isEmpty(this.title)){
                this.title              = this.defaultSuccessMsg;
            }
            this.show('success');
        },

        /**
         * Displays error notice
         *
         * @param string message The error message to display
         */
        error : function(title){

            /* Use default message if none is specified */
            if (title != undefined){
                this.title              = title;
            }
            else if (isEmpty(this.title)){
                this.title              = this.defaultErrorMsg;
            }
            this.show('error');
        },

        /**
         * Displays info notice
         *
         * @param string message The info message to display
         */
        info : function(title){

            /* Don't show message if none is specified */
            if (title != undefined){
                this.title              = title;
            }
            else if (isEmpty(this.title)){
                return;
            }
            this.show('info');
        },

        /**
         * Displays warning notice
         *
         * @param string message The warning message to display
         */
        warning : function(title){

            /* Use default message if none is specified */
            if (title != undefined){
                this.title              = title;
            }
            else if (isEmpty(this.title)){
                this.title              = this.defaultWarningMsg;
            }
            this.show('warning');
        },

        /**
         * Displays help notice
         *
         * @param string message The help message to display
         */
        help : function(title){

            /* Don't show message if none is specified */
            if (title != undefined){
                this.title              = title;
            }
            else if (isEmpty(this.title)){
                return;
            }
            this.show('help');
        },

        /**
         * Displays debug notice
         *
         * @param string message The debug message to display
         */
        debugging : function(title){

            /* Use default message if none is specified */
            if (title != undefined){
                this.title              = title;
            }
            else if (isEmpty(this.title)){
                this.title              = this.defaultDebuggingMsg;
            }
            this.show('debug');
        },

        /**
         * Shows notice
         *
         * @param string mode The mode the notice is being displayed in (i.e. success, error, debug)
         */
        show : function(mode) {

            /* Reset timer and overlay */
            clearTimeout(this.interval);
            this.interval       = 0;
            $.modal.close();

            /* Style notice */
            $('#notice').attr('class',mode);

            /* Add title */
            $('#notice-title').html(this.title);

            /* Add subtitle and display if it has content */
            $('#notice-subtitle').html(this.subtitle);

            if (this.subtitle.length > 0){
                $('#notice-subtitle').show();
            }

            /* Check whether details is an object. If so, convert to unordered list */
            if (this.details.length > 0 && typeof(this.details) == 'object') {

                if (this.details.length == 1) {
                    var details = "<p>"+decodeURIComponent(this.details[0])+"</p>";
                } else {
                    /* Start list */
                    var details = "<ul>";

                    /* Loop through details and add as list items */
                    for (detail in this.details) {
                        if (this.details[detail] != "" && this.details[detail] != undefined) {
                            details += "<li>" + decodeURIComponent(this.details[detail]) + "</li>";
                        }
                    }
                    /* End list */
                    details += "</ul>";
                }

                /* Show details */
                $('#notice-details').html(details);
                $('#notice-details').show();

            }
            /* If details isn't an object, but does have content, display it */
            else if (this.details.length > 0) {
                $('#notice-details').html(this.details);
                $('#notice-details').show();
            }

            /* If debugging is turned on, show the debug console */
            if (this.showDebug == true || mode == 'debug') {

                /* Check whether debug is an object. If so, convert to unordered list */
                if (this.debug.length > 0 && typeof(this.debug) == 'object') {

                    /* Start list */
                    var debug = "<ul>";

                    /* Loop through debug items and add as list items */
                    for (thisDebug in this.debug) {
                        if (!isEmpty(this.debug[thisDebug])) {
                            debug += "<li>" + decodeURIComponent(this.debug[thisDebug]) + "</li>";
                        }
                    }
                    /* End list */
                    debug += "</ul>";

                    /* Show debug */
                    $('#notice-debug').html(debug);
                    $('#notice-view-debug-link').show();
                }
                /* If debug isn't an object, but does have content, display it */
                else if (this.debug.length > 0) {
                    $('#notice-debug').html(this.debug);
                    $('#notice-view-debug-link').show();
                }
                /* Otherwise, hide debug */
                else {
                    $('#notice-debug-container fieldset').hide();
                    $('#notice-view-debug-link').hide();
                }
            }
            /* Otherwise, hide debug */
            else {
                $('#notice-debug-container fieldset').hide();
                $('#notice-view-debug-link').hide();
            }

            /* Make debug window larger and show by default */
            if (mode == 'debug'){
                $('#notice-debug-container fieldset').show();
                $('#notice-view-debug-link').hide();
            }
            
            /* Add footer and display if it has content */
            $('#notice-footer').html(this.footer);

            if (this.footer.length > 0){
                $('#notice-footer').show();
            }

            /* Show modal overlay */
            if (mode == 'debug') {
                $('#notice').modal(this.MODAL_DEBUG_OPTIONS);
            } else {
                $('#notice').modal(this.MODAL_OPTIONS);
            }

            /* Set timer to close it, unless debugging */
            if (this.showDebug == false && mode != 'debug') {
                this.hide(this.timeout);
            }
        },

        /**
         * Hides notice
         *
         * @param integer timeout The number of seconds to delay before hiding notice
         */
        hide : function(timeout) {

            /* If a timeout has been specified, convert to milliseconds and set timeout */
            if (timeout != undefined){
                var milliseconds    = timeout * 1000;
                this.interval       = setTimeout("$.modal.close();Notice_overlay.interval = 0;",milliseconds);
            }
            /* If no timeout has been specified, close modal dialog immediately */
            else {
                clearTimeout(this.interval);
                this.interval       = 0;
                $.modal.close();
            }
        },

        /**
         * Clears any previous notice content and hides everything but the title.
         * 
         * Also resets default timeout.
         */
        clear : function(){

            this.title              = '';
            this.subtitle           = '';
            this.details            = '';
            this.debug              = '';
            this.showDebug          = false;
            this.footer             = '';

            this.timeout            = this.defaultTimeout;

            $('#notice-title').html('');
            $('#notice-subtitle').html('');
            $('#notice-details').html('');
            $('#notice-debug').html('');

            $('#notice-subtitle').hide();
            $('#notice-details').hide();
            $('#notice-debug-container fieldset').hide();
            $('#notice-view-debug-link').hide();
            $('#notice-footer').hide();
        },

        /**
         * INIT
         */
        init : function(){

            // "View Debug" onclick
            $('#notice-view-debug-link').click(function(){
                $('#notice-debug-container fieldset').toggle();
            });
        }
    }
}();
$(document).ready(Notice_overlay.init);