using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows;

namespace Szmedi.AIScriptRunner.ProgressBarCtrl
{
    /// <summary>
    /// 
    /// </summary>
    public class LoadingManager
    {

        private Type m_ProgressBarViewType;
        private ProgressBarInfo m_ProgressBarInfo = new ProgressBarInfo();

        //public static LoadingCtrl LoadingWindow { get; set; }
        private Window m_ProgressBarForm;

        public Window ProgressBarView { get { return m_ProgressBarForm; } }

        public ProgressBarInfo ProgressBarInfo { get { return m_ProgressBarInfo; } }

        public string LoadingMessage { get; set; }


        public LoadingManager()
        {
        }
        public LoadingManager(string msg)
        {
            m_ProgressBarInfo.Message = msg;
            m_ProgressBarInfo.TipMessage = msg+":";
        }

        /// <summary>
        /// 
        /// </summary>
        public void ShowProgressBar(Type progressBarViewType=null)
        {
            m_ProgressBarViewType = progressBarViewType;
            Thread thread = new Thread(ProgressBarStart);
            thread.SetApartmentState(ApartmentState.STA);
            thread.Start();
        }
       
        /// <summary>
        /// 
        /// </summary>
        public void CloseProgressBar()
        {
            if (m_ProgressBarForm == null) return;

            m_ProgressBarForm.Dispatcher.Invoke(new Action(() =>
            {
                m_ProgressBarForm.Close();
                m_ProgressBarForm = null;
            }));
        }

        private void ProgressBarStart()
        {
            if (m_ProgressBarForm == null)
            {
                if (m_ProgressBarViewType != null)
                {
                    m_ProgressBarForm = (Window)Activator.CreateInstance(m_ProgressBarViewType);
                }
                else
                {
                    m_ProgressBarForm = new ProgressBarCtrl();
                }
                m_ProgressBarForm.DataContext = m_ProgressBarInfo;
            }
            //load.Topmost = true;
            m_ProgressBarForm.ShowDialog();
            
            //load.Show();
        }
    }
}