using BPASmart.UserManagement.Globle;
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 ChangeUserViewModel
    {
        /// <summary>
        /// 用户名
        /// </summary>
        [ObservableProperty]
        private string? _userName;
        /// <summary>
        /// 原始密码
        /// </summary>
        [ObservableProperty]
        private string? _lastPassword;
        /// <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 SaveUser()
        {
            if (LastPassword == null|| LastPassword == string.Empty)
            {
                ErrorVisibility = Visibility.Visible;
                ErrorMessage = "请输入原始密码";
                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(AESHelper.Decrypt(GlobleData.ChangeUser.Password) != LastPassword)
            {
                ErrorVisibility = Visibility.Visible;
                ErrorMessage = "原始密码错误";
                return;
            }
            var res = Json<LocalUser>.Data.UserManagers.FirstOrDefault(x => x.UserID == GlobleData.ChangeUser.UserID);
            if (res != null)
            {
                res.Password = AESHelper.Encrypt(UserPassword);
            }
            else
            {
                ErrorVisibility = Visibility.Visible;
                ErrorMessage = "该员工不存在";
                return;
            }
            Json<LocalUser>.Save();
            GlobleData.ChangeUser = null;
            ActionManage.GetInstance.Send("ChangeMianContent", string.Empty);
            MessageBox.ShowDialog("修改成功");
        }

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

        public ChangeUserViewModel()
        {
            if (GlobleData.ChangeUser != null) 
            {
                UserName = GlobleData.ChangeUser.UserName;
            }
        }

    }
}