using DM_Weight.Finger;
using DM_Weight.Port;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Xml;

namespace DM_Weight.ViewModels
{
    public class BeforeLoginViewModel : BindableBase, IRegionMemberLifetime, IConfirmNavigationRequest
    {
        public bool KeepAlive => false;
        IRegionManager _regionManager;
        IEventAggregator _eventAggregator;
        public BeforeLoginViewModel(IRegionManager regionManager, IEventAggregator eventAggregator, PortUtil portUtil)
        {
            _regionManager = regionManager;
            _eventAggregator = eventAggregator;
        }
        private NavigationParameters keys = new NavigationParameters();
        /// <summary>
        /// 值班柜柜登录
        /// </summary>
        public DelegateCommand DutyCommand
        {
            get => new DelegateCommand(() =>
            {

                //_loginWindowViewModel.SingleLogin = true;
                //_loginWindowViewModel.MultiLogin = false;

                keys.Add("SingleLogin", true);
                App.SingleModel = true;
                _regionManager.RequestNavigate("MainRegion", "LoginWindow",keys);
            });
        }
        /// <summary>
        /// 周转柜登录
        /// </summary>
        public DelegateCommand OtherCommand
        {
            get => new DelegateCommand(() =>
            {
                //_loginWindowViewModel.SingleLogin = false;
                //_loginWindowViewModel.MultiLogin = true;

                keys.Add("SingleLogin", false);
                App.SingleModel = false;
                _regionManager.RequestNavigate("MainRegion", "LoginWindow", keys);
            });
        }

        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        { 
        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
        }
        //手动实现调用配置的逻辑 规避修改配置文件后不起作用的问题
        public string ReadAppSetting(string key)
        {
            string xPath = $"/configuration/appSettings//add[@key='{key}']";
            XmlDocument doc = new XmlDocument();
            string exeFileName = System.Reflection.Assembly.GetExecutingAssembly().GetName().Name;
            doc.Load(exeFileName + ".dll.config");
            XmlNode node = doc.SelectSingleNode(xPath);
            return node.Attributes["value"].Value.ToString();
        }
    }
}