/* ========================================================================
 * Copyright (c) 2005-2020 The OPC Foundation, Inc. All rights reserved.
 *
 * OPC Foundation MIT License 1.00
 * 
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * The complete license agreement can be found here:
 * http://opcfoundation.org/License/MIT/1.00/
 * ======================================================================*/

using System.Threading.Tasks;
using Opc.Ua.Configuration;
using System.Windows.Forms;

namespace Opc.Ua.Server.Controls
{
    public class ApplicationMessageDlg : IApplicationMessageDlg
    {
        private string message = string.Empty;
        private MessageBoxButtons buttons = MessageBoxButtons.OK;

        public override void Message(string text, bool ask)
        {
            message = text;

            if (ask)
            {
                buttons = MessageBoxButtons.YesNo;
            }
            else
            {
                buttons = MessageBoxButtons.OK;
            }
        }

        public override async Task<bool> ShowAsync()
        {
            DialogResult result = MessageBox.Show(message, "OPC UA", buttons);
            return await Task.FromResult((result == DialogResult.OK) || (result == DialogResult.Yes));
        }
    }
}