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

namespace Tanshu.Accounts.PointOfSale
{
    public partial class UserForm : Form
    {
        User _user;
        public UserForm(Guid? userID)
        {
            InitializeComponent();
            if (userID.HasValue)
                using (var bi = new UserBI())
                    _user = bi.Get(x => x.UserID == userID.Value);
        }

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

        private void btnDelete_Click(object sender, EventArgs e)
        {
            using (var bi = new UserBI())
            {
                bi.Delete(x => x.UserID == _user.UserID);
                bi.SaveChanges();
            }
            btnCancel_Click(sender, e);
        }

        private void UserForm_Load(object sender, EventArgs e)
        {
            if (_user == null)
                return;
            txtUsername.Text = _user.Name;
            txtPassword.Text = _user.Password;
            txtRetype.Text = _user.Password;
            chkLocked.Checked = _user.LockedOut;
        }

        private void Save()
        {
            using (var bi = new UserBI())
            {
                if (_user == null)
                    _user = new User();
                else
                    _user = bi.Get(x => x.UserID == _user.UserID);

                _user.Name = txtUsername.Text.Trim();
                if (_user.Password != txtPassword.Text.Trim())
                    _user.Password = Common.Md5.Hash(txtPassword.Text.Trim(), "v2");
                _user.LockedOut = (chkLocked.Checked == true ? true : false);

                if (_user.UserID == Guid.Empty)
                    bi.Insert(_user);
                else
                    bi.Update(_user);
                bi.SaveChanges();
            }
        }

        private void btnSave_Click(object sender, EventArgs e)
        {
            if (txtUsername.Text.Trim() == "")
            {
                MessageBox.Show("Username cannot be blank.");
                txtUsername.Focus();
            }
            else if (txtPassword.Text.Trim() != txtRetype.Text.Trim())
            {
                MessageBox.Show("Passwords do not match.");
                txtPassword.Focus();
            }
            else if (string.IsNullOrEmpty(txtPassword.Text.Trim()))
            {
                MessageBox.Show("Password cannot be empty.");
                txtPassword.Focus();
            }
            else
            {
                Save();
                btnCancel_Click(sender, e);
            }
        }
    }
}