/**
 * Message Class
 * Handles displaying of messages
 * @author Danilo Bargen <gezuru@gmail.com>
 * @param string type Type of message (ok, info, alert, error)
 * @param string dest ID of destination DOM element
 * @param string message Message to be displayed
 * @param string bold Optional bold text preceding the error message
 */
function Message (type, dest, message, bold) {
    this.id = new Date().getTime();
    this.type = type;
    this.dest = dest;
    if ( bold === undefined) {
        this.bold = '';
    }
    else {
        this.bold = bold;
    }
    this.message = message;
    this.showMessage = showMessage;
    this.hideMessage = hideMessage;
    this.clearAllMessages = clearAllMessages;
}

/**
 * Displays Message in previously defined DOM element
 * @author Danilo Bargen <gezuru@gmail.com>
 * @return false if invalid type was passed previously
 */
function showMessage() {
    switch (this.type)
    {
    case 'ok':
        this.icon = 'check';
        this.classname = 'ok';
        break;
    case 'info':
        this.icon = 'info';
        this.classname = 'ok';
        break;
    case 'alert':
        this.icon = 'alert';
        this.classname = 'highlight';
        break;
    case 'error':
        this.icon = 'closethick';
        this.classname = 'error';
        break;
    default:
        return false;
    }
    this.msgHtml = '<div id="' + this.id + '" class="ui-state-' + this.classname + ' ui-corner-all" style="padding: 0em 0.6em;">';
    this.msgHtml = this.msgHtml +   '<p><span class="ui-icon ui-icon-' + this.icon + '" style="float: left; margin-right: .3em;"></span>';
    this.msgHtml = this.msgHtml +   '<strong>' + this.bold + '</strong> ' + this.message + '</p></div><br />';
    $('#'+this.id).remove();
    $('#'+this.dest).append(this.msgHtml);
}

/**
 * Removes Message from previously defined DOM element
 * @author Danilo Bargen <gezuru@gmail.com>
 */
function hideMessage() {
    $('#'+this.id).remove();
}

/**
 * Removes all Messages from previously defined DOM element
 * @author Danilo Bargen <gezuru@gmail.com>
 */
function clearAllMessages() {
    $('#'+this.dest).empty();
}