using System;
using System.Windows.Forms;


namespace WindowsFormsApp4
{
    public partial class AddressEditForm : Form
    {
        private int? addressId;
        private bool isEditMode;

        public AddressEditForm()
        {
            InitializeComponent();
            isEditMode = false;
            lblTitle.Text = "Добавление адреса";
            AttachEventHandlers();
        }

        public AddressEditForm(int id, string city, string street, string house, string building, string apartment)
        {
            InitializeComponent();
            isEditMode = true;
            addressId = id;
            lblTitle.Text = "Редактирование адреса";
            txtCity.Text = city;
            txtStreet.Text = street;
            txtHouse.Text = house;
            txtBuilding.Text = building;
            txtApartment.Text = apartment;
            AttachEventHandlers();
        }

        private void AttachEventHandlers()
        {
            btnSave.Click += BtnSave_Click;
            btnCancel.Click += BtnCancel_Click;
        }

        private bool ValidateFields()
        {
            if (string.IsNullOrWhiteSpace(txtCity.Text))
            {
                MessageBox.Show("Введите город", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                txtCity.Focus();
                return false;
            }

            if (string.IsNullOrWhiteSpace(txtStreet.Text))
            {
                MessageBox.Show("Введите улицу", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                txtStreet.Focus();
                return false;
            }

            if (string.IsNullOrWhiteSpace(txtHouse.Text))
            {
                MessageBox.Show("Введите номер дома", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                txtHouse.Focus();
                return false;
            }

            if (cmbAddressType.SelectedItem == null)
            {
                MessageBox.Show("Выберите тип адреса", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                cmbAddressType.Focus();
                return false;
            }

            return true;
        }

        private void BtnSave_Click(object sender, EventArgs e)
        {
            if (!ValidateFields())
                return;

            bool result;
            if (isEditMode && addressId.HasValue)
            {
                result = DatabaseHelper.UpdateAddress(
                    addressId.Value,
                    txtCity.Text.Trim(),
                    txtStreet.Text.Trim(),
                    txtHouse.Text.Trim(),
                    txtBuilding.Text.Trim(),
                    txtApartment.Text.Trim()
                );
            }
            else
            {
                int newAddressId = DatabaseHelper.AddAddress(
                    txtCity.Text.Trim(),
                    txtStreet.Text.Trim(),
                    txtHouse.Text.Trim(),
                    txtBuilding.Text.Trim(),
                    txtApartment.Text.Trim()
                );
                result = newAddressId > 0;
                if (result && Session.CurrentUser.ClientId.HasValue)
                {
                    result = DatabaseHelper.AddClientAddress(
                        Session.CurrentUser.ClientId.Value,
                        newAddressId,
                        cmbAddressType.SelectedItem.ToString(),
                        10  
                    );
                }
            }

            if (result)
            {
                this.DialogResult = DialogResult.OK;
                this.Close();
            }
            else
            {
                MessageBox.Show("Ошибка при сохранении", "Ошибка",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void BtnCancel_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }
    }
}