using DeviceCenter.model;
using DeviceCenter.utils;
using System;
using System.Collections.Generic;
using System.Windows;

namespace DeviceCenter
{
    /// <summary>
    /// Login.xaml 的交互逻辑
    /// </summary>
    public partial class Login : Window
    {
        private Config config = Config.getInstance();

        public Login()
        {
            InitializeComponent();
            this.MouseDown += delegate { DragMove(); };

            if (!string.IsNullOrEmpty(config.url))
            {
                tb_server_url.Text = config.url;
            }
            if (!string.IsNullOrEmpty(config.url))
            {
                tb_username.Text = config.username;
            }
            if (!string.IsNullOrEmpty(config.url))
            {
                tb_passowrd.Password = config.password;
            }
        }

        private void btn_login_Click(object sender, RoutedEventArgs e)
        {
            if (string.IsNullOrWhiteSpace(tb_server_url.Text))
            {
                MessageBox.Show("请输入服务器地址");
                return;
            }
            if (string.IsNullOrWhiteSpace(tb_username.Text))
            {
                MessageBox.Show("请输入用户名");
                return;
            }
            if (string.IsNullOrWhiteSpace(tb_passowrd.Password))
            {
                MessageBox.Show("请输入密码");
                return;
            }
            btns.Visibility = Visibility.Collapsed;
            loading.Visibility = Visibility.Visible;
            login();
        }

        private void btn_quit_Click(object sender, RoutedEventArgs e)
        {
            Environment.Exit(0);
        }

        async void login()
        {
            config.username = tb_username.Text;
            config.password = tb_passowrd.Password;
            config.url = tb_server_url.Text;
            config.save();

            http.post<string>("auth/login", new Dictionary<string, string>
            {
                ["username"] = tb_username.Text,
                ["password"] = tb_passowrd.Password
            })
                .Then(token =>
                {
                    config.token = token;
                    MainWindow mainWindow = new MainWindow();
                    mainWindow.Show();
                    Close();
                })
                .Catch(e =>
                {
                    btns.Visibility = Visibility.Visible;
                    loading.Visibility = Visibility.Collapsed;
                    MessageBox.Show(e.Message);
                });
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            if (!string.IsNullOrWhiteSpace(config.username) && !string.IsNullOrWhiteSpace(config.password))
            {
                btn_login_Click(null, null);
            }
        }
    }
}