using System;
using System.Windows.Forms;
using Accounts.Proxy;

namespace Accounts.PointOfSale
{
    public partial class CustomerForm : Form
    {
        Nullable<Guid> customerID;
        FormMode formMode;
        FormMode editMode;
        public CustomerForm(FormMode mode, Nullable<Guid> customerID)
        {
            InitializeComponent();
            formMode = mode;
            this.customerID = customerID;
            bsLedger.DataSource = DataAccess.GetCustomerLedgers();
            if (formMode == FormMode.Edit)
                bsMain.DataSource = CustomerProxy.GetSingleCustomerList(customerID.Value);
            else
                bsMain.DataSource = CustomerProxy.GetCustomers(null);
        }

        private void CustomerForm_Load(object sender, EventArgs e)
        {
            SetFormMode();
            SetNavigation(editMode);
        }
        private void SetFormMode()
        {
            if (formMode == FormMode.Edit)
            {
                bsMain.Position = 0;
                bindingNavigatorSaveItem.Enabled = true;
                editMode = formMode;
            }
            else if (formMode == FormMode.AddNew)
            {
                bsMain.AddNew();
                bindingNavigatorEditItem.Enabled = false;
                editMode = formMode;
            }
            else
            {
                editMode = FormMode.Normal;
            }
        }

        private void SetNavigation(FormMode mode)
        {
            bool enableEdit;
            if (mode == FormMode.Normal)
                enableEdit = false;
            else //FormMode.AddNew || FormMode.Edit
                enableEdit = true;
            // Controls
            txtName.ReadOnly = !enableEdit;
            cmbLedger.Enabled = enableEdit;
            txtPhone.ReadOnly = !enableEdit;
            txtAddress.ReadOnly = !enableEdit;
            txtRemarks.ReadOnly = !enableEdit;
            chkImportant.Enabled = enableEdit;
            // Other Controls
            bnMain.AddNewItem.Enabled = !enableEdit;
            bindingNavigatorDeleteItem.Enabled = !enableEdit;
            bindingNavigatorSaveItem.Visible = enableEdit;
            bindingNavigatorCancelItem.Visible = enableEdit;
            bindingNavigatorEditItem.Visible = !enableEdit;
            // Move Controls
            bnMain.MoveFirstItem.Enabled = !enableEdit;
            bnMain.MoveLastItem.Enabled = !enableEdit;
            bnMain.MoveNextItem.Enabled = !enableEdit;
            bnMain.MovePreviousItem.Enabled = !enableEdit;
            bnMain.PositionItem.Enabled = !enableEdit;
        }

        private void bindingNavigatorSaveItem_Click(object sender, EventArgs e)
        {
            this.Validate();
            Customer customer = new Customer();
            if (formMode == FormMode.AddNew)
                customer.CustomerID = Guid.NewGuid();
            else
                customer.CustomerID = customerID.Value;
            customer.Name = txtName.Text;
            customer.LedgerID = ((Ledger)bsLedger.Current).LedgerID;
            customer.Phone = txtPhone.Text;
            customer.Address = txtAddress.Text;
            customer.Remarks = txtRemarks.Text;
            customer.Important = chkImportant.Checked;
            customer.CompanyID = Accounts.Security.CurrentUser.user.CompanyID;
            if (formMode == FormMode.AddNew)
            {
                customer.Code = CustomerProxy.MaxCode;
                CustomerProxy.AddCustomer(customer);
                MessageBox.Show("Record Saved");
            }
            else
            {
                CustomerProxy.UpdateCustomer(customer);
                MessageBox.Show("Record updated");
            }
            txtName.Text = "";
            txtAddress.Text = "";
            txtRemarks.Text = "";
            txtPhone.Text = "";
            chkImportant.Checked = false;
            this.Dispose();
        }

        private void bindingNavigatorAddNewItem_Click(object sender, EventArgs e)
        {

        }

        private void bindingNavigatorCancelItem_Click(object sender, EventArgs e)
        {
            if (formMode != FormMode.Normal)
                this.Close();
        }

        private void bindingNavigatorEditItem_Click(object sender, EventArgs e)
        {
            Customer customer = new Customer();
            customer.Name = txtName.Text;
            customer.CustomerID = (Guid)customerID;
            customer.LedgerID = ((Ledger)bsLedger.Current).LedgerID;
            customer.Phone = txtPhone.Text;
            customer.Address = txtAddress.Text;
            customer.Remarks = txtRemarks.Text;
            customer.Important = chkImportant.Checked;
            customer.CompanyID = Accounts.Security.CurrentUser.user.CompanyID;
            CustomerProxy.UpdateCustomer(customer);
            MessageBox.Show("Record Updated");
        }

    }
}