using MainShell.HeightMeasure.ViewModel;
using MainShell.Models;
using MaxwellFramework.Core.Interfaces;
using Stylet;
using StyletIoC;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MainShell.ParaSetting.ViewModel
{
    internal class ParaSettingViewModel : BaseScreen, IPage
    {
        public string Name => "PageSettings";
        private const string DEVICEPOSITION = "设备点位参数";
        private const string DEVICERUNSETTING = "设备运行参数";
        private const string DEVICESAFESETTING = "设备安全参数";
        private const string DEVICEBASESETTING = "设备基础参数";
        private readonly Dictionary<string, Screen> _viewModelDict = new Dictionary<string, Screen>();
        public ObservableCollection<MenuItemWrap> MenuItemWraps { get; private set; }

        private MenuItemWrap _selectedMenuItem;

        public MenuItemWrap SelectedMenuItem
        {
            get { return _selectedMenuItem; }
            set
            {
                if (SetAndNotify(ref _selectedMenuItem, value))
                {
                    CurrentScreen = _viewModelDict[value.Header];
                }
            }
        }
        private Screen _currentScreen;

        public Screen CurrentScreen
        {
            get { return _currentScreen; }
            set { SetAndNotify(ref _currentScreen, value); }
        }

        private DeviceRunSettingViewModel _deviceRunSettingViewModel;
        [Inject]
        public DeviceRunSettingViewModel DeviceRunSettingViewModel
        {
            get { return _deviceRunSettingViewModel; }
            set { _deviceRunSettingViewModel = value; }
        }

        private DevicePositionViewModel _devicePositionViewModel;
        [Inject]
        public DevicePositionViewModel DevicePositionViewModel
        {
            get { return _devicePositionViewModel; }
            set { _devicePositionViewModel = value; }
        }

        private DeviceFoundationViewModel _deviceFoundationViewModel;
        [Inject]
        public DeviceFoundationViewModel DeviceFoundationViewModel
        {
            get { return _deviceFoundationViewModel; }
            set { _deviceFoundationViewModel = value; }
        }

        private DeviceSafetyViewModel _deviceSafetyViewModel;
        [Inject]
        public DeviceSafetyViewModel DeviceSafetyViewModel
        {
            get { return _deviceSafetyViewModel; }
            set { _deviceSafetyViewModel = value; }
        }

        public ParaSettingViewModel()
        {
            InitMenuItems();
        }

        protected override void OnViewLoaded()
        {
            base.OnViewLoaded();
            if (_viewModelDict.Count == 0)
            {
                InitViewModelDict();
            }
            if (SelectedMenuItem == null)
                SelectedMenuItem = MenuItemWraps[0];
        }
        private void InitMenuItems()
        {
            MenuItemWraps = new ObservableCollection<MenuItemWrap>
            {
                new MenuItemWrap() { Header=DEVICEPOSITION,Tag=DEVICEPOSITION },

                new MenuItemWrap() { Header=DEVICERUNSETTING,Tag=DEVICERUNSETTING },

                new MenuItemWrap() { Header=DEVICESAFESETTING,Tag=DEVICESAFESETTING },

                new MenuItemWrap() { Header=DEVICEBASESETTING,Tag=DEVICEBASESETTING },
            };
        }
        private void InitViewModelDict()
        {
            _viewModelDict.Clear();
            _viewModelDict.Add(DEVICEPOSITION, DevicePositionViewModel);
            _viewModelDict.Add(DEVICERUNSETTING, DeviceRunSettingViewModel);
            _viewModelDict.Add(DEVICESAFESETTING, DeviceSafetyViewModel);
            _viewModelDict.Add(DEVICEBASESETTING, DeviceFoundationViewModel);
        }
    }
}