using ButcherFactory.BO.Utils;
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 WinFormControl;

namespace ButcherFactory.Login
{
  public partial class Login : Form
  {
    public Login()
    {
      InitializeComponent();
      userNameBox.Text = AppContext.User.Name;
      pwdBox.Text = "123";
      if (!string.IsNullOrEmpty(AppContext.User.Name))
        pwdBox.Focus();
    }

    private Point mousePoint = new Point();
    private void Login_MouseDown(object sender, MouseEventArgs e)
    {
      this.mousePoint.X = e.X;
      this.mousePoint.Y = e.Y;
    }

    private void Login_MouseMove(object sender, MouseEventArgs e)
    {
      if (e.Button == MouseButtons.Left)
      {
        this.Top = Control.MousePosition.Y - mousePoint.Y;
        this.Left = Control.MousePosition.X - mousePoint.X;
      }
    }

    private async void loginBtn_Click(object sender, EventArgs e)
    {
      var username = userNameBox.Text.Trim();
      var pwd = pwdBox.Text;
      if (string.IsNullOrEmpty(username))
        throw new Exception("请输入用户名");
      if (LoginUtil.TestConnection(1000))
      {
        LoginUtil.InitRpcFacade();
        await Task.Factory.StartNew(() => LoginUtil.Login(username, pwd));
      }
      else
      {
        if (AppContext.User.Name != username && LoginUtil.EncodePwd(pwd) != AppContext.User.Password)
          throw new Exception("请输入用户名");
      }


      var form = FormUtil.CreateFrom();
      if (form == null)
        throw new Exception("权限不符");
      form.FormClosing += delegate
      {
        SubFormClosing();
        LoginUtil.LoginOut();
      };
      form.Show();
      Hide();
    }

    void SubFormClosing()
    {
      foreach (Form form in Application.OpenForms)
      {
        if (form is Login)
        {
          form.Show();
          return;
        }
      }
    }

    private void exitBtn_Click(object sender, EventArgs e)
    {
      Application.Exit();
    }

    private void pictureBox1_Click(object sender, EventArgs e)
    {
      if (new SettingForm().ShowDialog() == DialogResult.OK)
        LoginUtil.ReInitRpcFacade();
    }

    private void userNameBox_Click(object sender, EventArgs e)
    {
      LoginUtil.InitRpcFacade();
      var keyBoard = new NumberPad();
      if (keyBoard.ShowDialog() == true)
      {
        string errorInfo;
        userNameBox.Text = LoginUtil.GetUserNameByCode(keyBoard.Result, out errorInfo);
        if (string.IsNullOrEmpty(userNameBox.Text))
          throw new Exception("工号输入错误");
        if (!string.IsNullOrEmpty(errorInfo))
          MessageBox.Show(errorInfo);
      }
    }
  }
}