using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using Aitex.Core.RT.Log;
using OpenSEMI.Ctrlib.Controls;
using MECF.Framework.Common.OperationCenter;

using OpenSEMI.ClientBase;
using Aitex.Core.Util;

namespace VirgoUI.Client
{
    public class MenuElement 
    {
        public string Name { get; set; }
        public string Invoke { get; set; }
        public bool IsSeparator  { get; set; }
    }

    public class ContextMenuManager
    {

        #region single Instance
        private static ContextMenuManager m_Instance = null;
        public static ContextMenuManager Instance
        {
            get
            {
                if (m_Instance == null)
                {
                    m_Instance = new ContextMenuManager();
                }
                return m_Instance;
            }
        }
        #endregion

        private ContextMenu _slotMenus;
        public ContextMenu SlotMenus
        {
            get { return _slotMenus; }
        }

        public ContextMenuManager()
        {
            _slotMenus = InitMenus(_SlotMenuElements);
        }


        private readonly List<MenuElement> _SlotMenuElements = new List<MenuElement>() {
            new MenuElement(){ Name="Create Wafer", Invoke="CreateWafer"},
            new MenuElement(){ Name="Delete Wafer", Invoke="DeleteWafer"},
            new MenuElement(){ Name="-", IsSeparator = true},
            new MenuElement(){ Name="Return Wafer", Invoke="ReturnWafer"}
        };

        public void OnContextMenuClick(object sender, RoutedEventArgs args)
        {
            try
            {
                MenuItem m_menu = sender as MenuItem;
                Slot CurrentSlot = ContextMenuService.GetPlacementTarget(LogicalTreeHelper.GetParent(m_menu)) as Slot;
                if (CurrentSlot == null)
                    return;

                MenuElement ele = m_menu.Tag as MenuElement;
                string m_modID = CurrentSlot.ModuleID;
                int slotId = CurrentSlot.SlotID;

                InvokeClient.Instance.Service.DoOperation(ele.Invoke, CurrentSlot.ModuleID, CurrentSlot.SlotID);
            }
            catch (Exception ex)
            {
                LOG.Write(ex);
            }
        }

        private ContextMenu InitMenus(List<MenuElement> menus)
        {
            ContextMenu cm = new ContextMenu();

            foreach (MenuElement element in menus)
            {
                if (element.IsSeparator)
                {
                    cm.Items.Add(new Separator());
                }
                else
                {
                    MenuItem m_item = new MenuItem();
                    m_item.Header = element.Name;
                    m_item.Tag = element;
                    m_item.Click += new RoutedEventHandler(OnContextMenuClick);
                    m_item.IsEnabled = true;
                    cm.Items.Add(m_item);
                }

            }
            return cm;
        }

        
        public bool IsAutoMode { get; set; }

        public bool EnableAuto
        {
            get { return !IsAutoMode; }
        }

        public ContextMenu GetSlotMenus(Slot slot)
        {
            if (slot != null)
            {
                MenuItem createWafer = _slotMenus.Items.GetItemAt(0) as MenuItem;
                MenuItem deleteWafer = _slotMenus.Items.GetItemAt(1) as MenuItem;
                MenuItem returnWafer = _slotMenus.Items.GetItemAt(3) as MenuItem;

                createWafer.IsEnabled = ((WaferStatus)slot.WaferStatus == WaferStatus.Empty ? true : false)&& EnableAuto;
                deleteWafer.IsEnabled = ((WaferStatus)slot.WaferStatus == WaferStatus.Empty ? false : true) && EnableAuto;
                returnWafer.IsEnabled = (WaferStatus)slot.WaferStatus != WaferStatus.Empty  && !slot.ModuleID.StartsWith("LP");
            }
            return _slotMenus;
        }
    }
}