using System;
using System.Windows.Forms;
using Tanshu.Accounts.Entities.Auth;
using Tanshu.Accounts.Repository;
using Tanshu.Common.KeyboardControl;

namespace Tanshu.Accounts.PointOfSale
{
    public partial class LoginForm : Form
    {
        private User user;
        private IKeyboardControl keyboardControl;
        public LoginForm(IKeyboardControl keyboardControl)
        {
            InitializeComponent();
            user = null;
            this.keyboardControl = keyboardControl;

            var control = keyboardControl as UserControl;
            if (control != null)
            {
                control.Location = new System.Drawing.Point(6, 87);
                var border = (this.Width - this.ClientSize.Width) / 2;
                var titlebarHeight = this.Height - this.ClientSize.Height - (2 * border);
                this.Controls.Add(control);
                this.Width = 6 + control.Width + 6 + (border * 2);
                this.Height = titlebarHeight + 87 + control.Height + 6 + (border * 2);
            }
        }

        private void txtUserName_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Return)
                txtPassword.Focus();
        }

        private void txtPassword_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Return)
                btnLogin_Click(sender, e);
        }

        private void btnLogin_Click(object sender, EventArgs e)
        {
            user = UserBI.ValidateUser(txtUserName.Text.Trim(), Tanshu.Common.Md5.Hash(txtPassword.Text, "v2"));
            if (user != null)
                this.Close();
            else
                MessageBox.Show("Username or password is not valid");
        }

        public bool UserName(out string userName)
        {
            userName = this.user == null ? "" : this.user.Name;
            return this.user != null;
        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}