using Sinvo.EplanHpD.Plugin.Service;
using Sinvo.EplanHpD.Plugin.WPFUI.ViewModel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace Sinvo.EplanHpD.Plugin.WPFUI.View
{
    /// <summary>
    /// LoginWindow.xaml 的交互逻辑
    /// </summary>
    public partial class LoginWindow : Window
    {
      /// <summary>
      /// 展开更多的时候，窗口的高度增加的固定值
      /// </summary>
        private double expandFixedHeight = 100;

        private LoginViewModel viewModel;

        public LoginWindow()
        {
            InitializeComponent();
            this.DataContext = viewModel = new LoginViewModel(); 
        }

        /// <summary>
        /// 强制显示为模态窗口
        /// </summary>
        public new void Show()
        {
            this.ShowDialog();
        }

        #region 事件处理
        private void Expander_Expanded(object sender, RoutedEventArgs e)
        {
            if (sender is Expander expander)
            { 
                this.Height += expandFixedHeight;
            }
        }

        private void Expander_Collapsed(object sender, RoutedEventArgs e)
        {
            if (sender is Expander expander)
            { 
                this.Height -= expandFixedHeight;

            }
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        { 
           _ = LoadData();

        }

        private async Task LoadData()
        {
            //if (viewModel.User != null)
            //{
            //    viewModel.GetGroup();
            //}
            //if (viewModel.IsRemember)
            //{
            //    var groupIndex = viewModel.Groups.IndexOf(viewModel.Groups.FirstOrDefault(x => x.ID == viewModel.User.UserGroupId));
            //    this.groupCbx.SelectedIndex = groupIndex;
            //    var roleIndex = viewModel.Roles.IndexOf(viewModel.Roles.FirstOrDefault(x => x.ID == viewModel.User.UserRoleId));
            //    this.roleCbx.SelectedIndex = roleIndex;
            //}
            //if (EplSession.Current.Config != null)
            //{
            //    var serverIndex = viewModel.Servers.IndexOf(viewModel.Servers.FirstOrDefault(x => x.ServerUrl == EplSession.Current.Config.CurrentServer.ServerUrl));
            //    this.serverCbx.SelectedIndex = serverIndex;
            //}
        }

        private void loginBtn_Click(object sender, RoutedEventArgs e)
        {
            this.viewModel.User.UserPassword = PasswordTxt.Password;
            if (string.IsNullOrWhiteSpace(this.viewModel.User.UserName))
            {
                this.msgTxt.Text = "请输入用户名!";
                this.msgTxt.Foreground = System.Windows.Media.Brushes.Red;
                return;
            }
            if (string.IsNullOrWhiteSpace(this.viewModel.User.UserPassword))
            {
                this.msgTxt.Text = "请输入密码!";
                this.msgTxt.Foreground = System.Windows.Media.Brushes.Red;
                return;
            }
            if (string.IsNullOrWhiteSpace(this.groupCbx.SelectedValue as string))
            {
                this.msgTxt.Text = "请选择部门!";
                this.msgTxt.Foreground = System.Windows.Media.Brushes.Red;
                return;
            }
            if (string.IsNullOrWhiteSpace(this.roleCbx.SelectedValue as string))
            {
                this.msgTxt.Text = "请选择角色!";
                this.msgTxt.Foreground = System.Windows.Media.Brushes.Red;
                return;
            }
            viewModel.User.UserGroup = this.groupCbx.SelectedValue as string;
            viewModel.User.UserRole = this.roleCbx.SelectedValue as string;

            //try
            //{
            var result = viewModel.Login();
            if(result != null && !string.IsNullOrEmpty(result.GUID))
            {
                PluginServices.user = new Service.Model.UserInfo
                {
                    Group = viewModel.User.UserGroup,
                    Role = viewModel.User.UserRole,
                    //ServerUrl = viewModel.User.ServerUrl,
                    GUID = result.GUID,
                    ID = result.ID,
                    Name = result.Name
                };
                this.DialogResult = true;
                this.Close();
            }
            else
            {
                 MessageBox.Show("登录失败，请检查用户名和密码是否正确！");
            }
            //    if (result)
            //    {
            //        //MessageBox.Show("")
            //        var serverItem = this.serverCbx.SelectedItem as ServerItemModel;
            //        //new UserInfo().ShowInfo(viewModel.User.userNickName, serverItem);
            //        //EplSession.Current.CurServer = serverItem;
            //        EplSession.Current.SetUser(viewModel.User);
            //        EplSession.Current.Config.CurrentServer = serverItem;
            //        EplSession.Current.Config.RememberAccount = this.rememberChk.IsChecked ?? false;

            //        if (this.rememberChk.IsChecked ?? false)
            //        {
            //            viewModel.RememberUser();
            //        }
            //        else
            //        {
            //            viewModel.ForgetUser();
            //        }
            //        // 登录成功,弹出用户信息小窗口
            //        WindowRouter.ShowWindow("UserInfo", keepAlive: true);
            //        this.DialogResult = true;
            //        this.Close();
            //    }
            //}
            //catch (System.Exception ex)
            //{
            //    // ERROR 是扩展方法，用于输出错误信息
            //    ex.ToString().Error();
            //    //MessageBox.Show(ex.Message);
            //    msgTxt.Text = ex.Message;
            //}
        }

        private void UsernameTxt_LostFocus(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrWhiteSpace(UsernameTxt.Text))
            {
                return;
            }
            viewModel.User.UserName = UsernameTxt.Text;
            LoadGroupAndRole();
        }

        private void cancelBtn_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        private async void groupCbx_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            try
            {
                viewModel.User.UserGroup = this.groupCbx.SelectedValue as string;
                await viewModel.GetRolesByCurrentSelect();
                if (viewModel.Roles?.Count > 0)
                {
                   await this.Dispatcher.BeginInvoke(() =>
                    {
                        this.roleCbx.SelectedIndex = 0;
                    });
                }
            }
            catch (System.Exception ex)
            { 
                MessageBox.Show(ex.Message);
            }

        }
        #endregion

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {

        }

        private void serverCbx_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            //var serverItem = this.serverCbx.SelectedItem as ServerItemModel;
            //if (serverItem != null)
            //{
            //    viewModel.ChangeService(serverItem);
            //    LoadGroupAndRole();
            //}
        }

        private void LoadGroupAndRole()
        {
            var task = viewModel.GetUserGroup();
            task.ContinueWith(x =>
            {
                this.Dispatcher.InvokeAsync(() =>
                {
                    this.groupCbx.SelectedIndex = 0;
                });

            });

        }
    }
}