using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows.Forms;
using Tanshu.Accounts.Helpers;
using Tanshu.Accounts.Repository;
using Tanshu.Accounts.Contracts;
using Tanshu.Accounts.Entities;
using Tanshu.Accounts.Entities.Auth;

namespace Tanshu.Accounts.PointOfSale
{
    public partial class CustomersForm : Form
    {
        private int? customerID;
        private Customer customer;
        private string phone;
        #region Form Load
        public CustomersForm(int? customerID, string phone)
        {
            InitializeComponent();
            this.customerID = customerID;
            this.phone = phone;
        }
        private void CustomersForm_Load(object sender, EventArgs e)
        {
            if (customerID.HasValue)
            {
                using (var bi = new CustomerBI(false))
                    customer = bi.Get(x => x.CustomerID == customerID.Value);
                btnDelete.Enabled = true;
                txtName.Text = customer.Name;
                txtPhone.Text = customer.Phone;
                txtAddress.Text = customer.Address;
                txtRemarks.Text = customer.Remarks;
                chkImportant.Checked = customer.Important;
            }
            else
                txtPhone.Text = phone;

            btnSave.Text = customerID.HasValue ? "&Update" : "&Save";
        }
        #endregion

        #region Buttons
        private void btnSave_Click(object sender, EventArgs e)
        {
            if (!ValidateValues())
            {
                MessageBox.Show("Missing Information: Please check the form.");
                txtName.Focus();
            }
            else
            {
                Save();
                btnCancel_Click(sender, e);
            }
        }
        private void btnDelete_Click(object sender, EventArgs e)
        {
            using (var bi = new CustomerBI())
                bi.Delete(x => x.CustomerID == customer.CustomerID);
            btnCancel_Click(sender, e);
        }
        private void btnCancel_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        #endregion

        #region Add / Edit / Delete
        private bool ValidateValues()
        {
            bool returnType = true;
            if (txtName.Text.Trim().Length == 0)
                return false;
            return returnType;
        }
        private void Save()
        {
            if (customer == null)
                customer = new Customer();
            User user = Session.User;
            customer.Name = txtName.Text;
            customer.Phone = txtPhone.Text;
            customer.Address = txtAddress.Text;
            customer.Remarks = txtRemarks.Text;
            customer.Important = chkImportant.Checked;
            using (var bi = new CustomerBI())
                if (customer.CustomerID == 0)
                    bi.Insert(customer);
                else
                    bi.Update(customer);
        }
        private void Delete(int customerID)
        {
            using (var bi = new CustomerBI())
                bi.Delete(x => x.CustomerID == customerID);
        }
        #endregion

        public Customer Customer
        {
            get { return customer; }
        }
    }
}