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

namespace Tanshu.Accounts.PointOfSale
{
    public partial class TableForm : Form
    {
        private Guid? _tableID;
        public TableForm()
        {
            InitializeComponent();
        }

        public TableForm(Guid tableID)
            : this()
        {
            _tableID = tableID;
        }

        private void TableForm_Load(object sender, EventArgs e)
        {
            if (_tableID.HasValue)
            {
                FoodTable foodTable;
                using (var bi = new FoodTableBI())
                    foodTable = bi.Get(x => x.FoodTableID == _tableID.Value);

                txtName.Text = foodTable.Name;
                txtLocation.Text = foodTable.Location;
                chkIsActive.Checked = foodTable.IsActive;
            }
            else
            {
                txtName.Focus();
            }
        }

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

        private void btnOk_Click(object sender, EventArgs e)
        {
            if (IsFormValid())
            {
                using (var bi = new FoodTableBI())
                {
                    FoodTable foodTable;
                    if (_tableID.HasValue)
                    {
                        foodTable = bi.Get(x => x.FoodTableID == _tableID.Value);
                        if (foodTable.IsActive && chkIsActive.Checked == false && (foodTable.Status != null || foodTable.VoucherID.HasValue))
                        {
                            MessageBox.Show("Cannot deactivate a table with running bill");
                            return;
                        }
                    }
                    else
                        foodTable = new FoodTable();
                    foodTable.Name = txtName.Text.Trim();
                    foodTable.IsActive = chkIsActive.Checked;
                    foodTable.Location = txtLocation.Text.Trim();

                    if (_tableID.HasValue)
                        bi.Update(foodTable);
                    else
                        bi.Insert(foodTable);
                    bi.SaveChanges();
                }
                MessageBox.Show("Update / Save Successful");
                this.Close();
            }
            else
                MessageBox.Show("The form is not valid");
        }
        private bool IsFormValid()
        {
            if (string.IsNullOrEmpty(txtName.Text.Trim()))
                return false;
            return true;
        }
    }
}