using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using DM_Weight.select;
using System.Xml;

namespace DM_Weight.ViewModels
{
    public class SettingWindowViewModel : BindableBase, IRegionMemberLifetime
    {
        public bool KeepAlive => false;
        public static List<OrderTakeSelect> defaultKeyValuePairs = new()
        {
            new OrderTakeSelect() { Code = "operator", Name = "操作人" },
            new OrderTakeSelect() { Code = "reviewer", Name = "审核人" }
        };

        public List<OrderTakeSelect> keyValuePairs
        {
            get { return defaultKeyValuePairs; }
        }

        public static string _defaultLoginMode = string.Empty;// ConfigurationManager.AppSettings["loginMode"]??"1";

        public static string _defaultFirstLogin = string.Empty;//ConfigurationManager.AppSettings["firstLogin"] ?? "operator";

        private bool _loginMode = false;// _defaultLoginMode.Equals("2");
        public bool LoginMode { get => _loginMode; set => SetProperty(ref _loginMode, value); }

        private string _firstLogin = _defaultFirstLogin;
        public string FirstLogin
        {
            get => _firstLogin; set => SetProperty(ref _firstLogin, value);
        }

         
        public SettingWindowViewModel()
        {
            FirstLogin = ReadAppSetting("firstLogin"); //ConfigurationManager.AppSettings["firstLogin"] ?? "operator";
            _defaultLoginMode = ReadAppSetting("loginMode");
            _defaultFirstLogin = ReadAppSetting("firstLogin");
            _loginMode= _defaultLoginMode.Equals("2");
        }

        public DelegateCommand ResetConfigCommand
        {
            get => new DelegateCommand(() =>
            {
                var l = LoginMode ? "2" : "1";
                if (!l.Equals(_defaultLoginMode))
                {
                    Configuration _configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
                    _configuration.AppSettings.Settings["loginMode"].Value = l;
                    _configuration.Save();
                    ConfigurationManager.RefreshSection("loginMode");
                }
                if (LoginMode && !FirstLogin.Equals(_defaultFirstLogin))
                {
                    Configuration _configuration = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
                    _configuration.AppSettings.Settings["firstLogin"].Value = FirstLogin;
                    _configuration.Save();
                    ConfigurationManager.RefreshSection("firstLogin");
                }
            });
        }
        //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();
        }
    }
}