using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows.Forms;
using Tanshu.Accounts.Helpers;
using Tanshu.Accounts.BI;
using Tanshu.Accounts.Contracts;

namespace Tanshu.Accounts.PointOfSale
{
    public partial class CustomersForm : Form
    {
        private Guid? customerID;
        private CustomerBO customer;
        private string phone;
        #region Form Load
        public CustomersForm(Guid? customerID, string phone)
        {
            InitializeComponent();
            this.customerID = customerID;
            this.phone = phone;
        }
        private void CustomersForm_Load(object sender, EventArgs e)
        {
            bsLedgers.DataSource = new CustomerBI().GetCustomerLedgers();
            if (customerID.HasValue)
            {
                customer = new CustomerBI().GetCustomer(customerID.Value);
                btnDelete.Enabled = true;
                txtName.Text = customer.Name;
                cmbLedger.SelectedValue = customer.LedgerID;
                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)
        {
            new CustomerBI().Delete(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)
            {
                if (cmbLedger.SelectedValue == null)
                    return false;
            }
            else
                return false;
            return returnType;
        }
        private void Save()
        {
            if (customer == null)
                customer = new CustomerBO();
            UserBO user = CurrentUser.user;
            customer.Name = txtName.Text;
            customer.LedgerID = (Guid)cmbLedger.SelectedValue;
            customer.Phone = txtPhone.Text;
            customer.Address = txtAddress.Text;
            customer.Remarks = txtRemarks.Text;
            customer.Important = chkImportant.Checked;
            if (customer.CustomerID == new Guid())
                new CustomerBI().Insert(customer);
            else
                new CustomerBI().Update(customer);
        }
        private bool Delete(Guid customerID)
        {
            return new CustomerBI().Delete(customerID);
        }
        #endregion

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