using BPASmart.Model;
using BPASmart.Model;
using BPASmartClient.Helper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace BPASmart.UserManagement.ViewModel
{
    [INotifyPropertyChanged]
    partial class AddNewUserViewModel
    {
        /// <summary>
        /// 用户名
        /// </summary>
        [ObservableProperty]
        private string? _userName;
        /// <summary>
        /// 用户密码
        /// </summary>
        [ObservableProperty]
        private string? _userPassword;
        /// <summary>
        /// 确认密码
        /// </summary>
        [ObservableProperty]
        private string? _confirmPassword;

        /// <summary>
        /// 提示消息
        /// </summary>
        [ObservableProperty]
        private string? _errorMessage;

        [ObservableProperty]
        private Visibility _errorVisibility = Visibility.Collapsed;

        [RelayCommand]
        private void ResgisterUser()
        {
            if(UserName == null || UserName == string.Empty)
            {
                ErrorVisibility = Visibility.Visible;
                ErrorMessage = "请输入用户名";
                return;
            }
            if(UserPassword == null || UserPassword == string.Empty)
            {
                ErrorVisibility = Visibility.Visible;
                ErrorMessage = "请输入密码";
                return;
            }
            if (UserPassword != ConfirmPassword) 
            {
                ErrorVisibility = Visibility.Visible;
                ErrorMessage = "两次密码不一致";
                return;
            }
            if(Json<LocalUser>.Data.UserManagers!= null)
            {
                var res = Json<LocalUser>.Data.UserManagers.FirstOrDefault(p => p.UserName == UserName);
                {
                    if(res != null)
                    {
                        ErrorVisibility = Visibility.Visible;
                        ErrorMessage = "用户名已存在";
                        return;
                    }
                    else
                    {
                        Json<LocalUser>.Data.UserManagers.Add(new UserManager 
                        { 
                            UserID = Guid.NewGuid().ToString(), 
                            UserName = UserName,
                            Password = AESHelper.Encrypt(UserPassword),
                        });
                    }
                }

            }
            else
            {
                Json<LocalUser>.Data.UserManagers.Add(new UserManager
                {
                    UserID = Guid.NewGuid().ToString(),
                    UserName = UserName,
                    Password = AESHelper.Encrypt(UserPassword)
                });
            }
            Json<LocalUser>.Save();
            UserName = String.Empty;
            UserPassword = String.Empty;
            ConfirmPassword = String.Empty;
            MessageBox.ShowDialog("注册成功");

        }

        [RelayCommand]
        private void Exit()
        {
            ActionManage.GetInstance.Send("ChangeMianContent",string.Empty);
        }

        
    }
}