using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using BLL;
using BLL.Dto;
using BLL.Dto.UserDto;
using Helper;
using HZY.Framework.DependencyInjection;
using Sunny.UI;

namespace Scada.Page
{
    public partial class PageUserManage : UIPage, ISingletonSelfDependency
    {
        private readonly UserManager _userManager;
        public PageUserManage(UserManager userManager)
        {
            InitializeComponent();
            _userManager = userManager;

            this.cb_Auth.Items.AddRange(Enum.GetNames(typeof(SystemEnums.UserRole)));
            this.cb_Auth.SelectedIndex = -1; // 默认不选择
            dgv_User.AutoGenerateColumns = false;

            this.Load += PageUserManage_Load;
        }

        private async void PageUserManage_Load(object sender, EventArgs e)
        {
            await LoadData();
        }

        private void PageUserManage_Initialize(object sender, EventArgs e)
        {

        }

        private bool VaildInput()
        {
            if (this.txt_UserName.Text.IsNullOrEmpty())
            {
                UIMessageTip.ShowWarning("用户名不能为空!");
                return false;
            }
            if (this.txt_Password.Text.IsNullOrEmpty())
            {
                UIMessageTip.ShowWarning("密码不能为空!");
                return false;
            }
            if (this.txt_EnterPassword.Text.IsNullOrEmpty())
            {
                UIMessageTip.ShowWarning("确认密码不能为空!");
                return false;
            }
            if (this.txt_Password.Text != this.txt_EnterPassword.Text)
            {
                UIMessageTip.ShowWarning("两次密码输入不一致!");
                return false;
            }
            if (this.cb_Auth.SelectedIndex == -1)
            {
                UIMessageTip.ShowWarning("请选择用户权限!");
                return false;
            }
            return true;
        }

        private async void btn_AddUser_Click(object sender, EventArgs e)
        {
            if (!VaildInput())
            {
                return;
            }

            UserAddDto userAddDto = new UserAddDto()
            {
                UserName = this.txt_UserName.Text.Trim(),
                UserPassword = this.txt_Password.Text.Trim(),
                Role = this.cb_Auth.SelectedItem.ToString() // 修复类型转换问题
            };

            var result = await _userManager.AddUserAsync(userAddDto);
            if (result.Result == SystemEnums.Result.Success)
            {
                UIMessageTip.ShowOk("添加成功");
                LogExtension.ShowMessage("添加用户成功", Microsoft.Extensions.Logging.LogLevel.Information);

                await LoadData();
            }
            else
            {
                UIMessageTip.ShowOk("添加失败");
                LogExtension.ShowMessage("添加用户失败", Microsoft.Extensions.Logging.LogLevel.Information);
            }
        }

        private async Task LoadData()
        {

            var res = await _userManager.GetUserListAsync();
            if (res.Result == SystemEnums.Result.Success)
            {
                this.dgv_User.DataSource = res.Data;
                this.dgv_User.Refresh();
            }
        }

        private void dgv_User_SelectIndexChange(object sender, int index)
        {
            var rows = this.dgv_User.Rows[index];
            this.txt_UserName.Text = rows.Cells["UserName"].Value.ToString();
            this.txt_Password.Text = rows.Cells["UserPassword"].Value.ToString();
            this.txt_EnterPassword.Text = rows.Cells["UserPassword"].Value.ToString(); // 确认密码与密码一致
            this.cb_Auth.SelectedItem = rows.Cells["Role"].Value.ToString(); // 修复类型转换问题
        }

        private async void btn_Update_Click(object sender, EventArgs e)
        {
            if (!VaildInput())
            {
                return;
            }

            UserUpdateDto userUpdateDto = new UserUpdateDto()
            {
                Id = int.Parse(this.dgv_User.CurrentRow.Cells["Id"].Value.ToString()),
                UserName = this.txt_UserName.Text.Trim(),
                UserPassword = this.txt_Password.Text.Trim(),
                Role = this.cb_Auth.SelectedItem.ToString() // 修复类型转换问题
            };

            var result = await _userManager.UpdateUserAsync(userUpdateDto);
            if (result.Result == SystemEnums.Result.Success)
            {
                UIMessageTip.ShowOk("更新成功");
                LogExtension.ShowMessage("更新用户成功", Microsoft.Extensions.Logging.LogLevel.Information);
                await LoadData();
            }
            else
            {
                UIMessageTip.ShowError("更新失败");
                LogExtension.ShowMessage("更新用户失败", Microsoft.Extensions.Logging.LogLevel.Information);
            }
        }

        private async void btn_Delete_Click(object sender, EventArgs e)
        {
            if(this.dgv_User.CurrentRow == null)
            {
                UIMessageTip.ShowWarning("请选择要删除的用户");
                return;
            }

            UserDeleteDto userDeleteDto = new UserDeleteDto()
            {
                Id = int.Parse(this.dgv_User.CurrentRow.Cells["Id"].Value.ToString())
            };

            var result = await _userManager.DeleteUserAsync(userDeleteDto);
            if(result.Result==SystemEnums.Result.Success)
            {
                UIMessageTip.ShowOk("删除成功");
                LogExtension.ShowMessage("删除用户成功", Microsoft.Extensions.Logging.LogLevel.Information);
                await LoadData();
            }
            else
            {
                UIMessageTip.ShowError("删除失败");
                LogExtension.ShowMessage("删除用户失败", Microsoft.Extensions.Logging.LogLevel.Information);
            }
        }
    }
}