using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using SewingDressesContracts.BusinessLogicsContracts;
using SewingDressesContracts.ViewModels;
using SewingDressesDataModels.Models;

namespace SewingDressesView
{
    public partial class SellForm : Form
    {
        private readonly List<DressViewModel>? _dressList;
        IShopLogic _shopLogic;
        IDressLogic _dressLogic;
        public SellForm(IDressLogic dressLogic, IShopLogic shopLogic)
        {
            InitializeComponent();
            _shopLogic = shopLogic;
            _dressLogic = dressLogic;
            _dressList = dressLogic.ReadList(null);
            if (_dressList != null)
            {
                comboBoxDress.DisplayMember = "DressName";
                comboBoxDress.ValueMember = "Id";
                comboBoxDress.DataSource = _dressList;
                comboBoxDress.SelectedItem = null;
            }
        }
        public int DressId
        {
            get
            {
                return Convert.ToInt32(comboBoxDress.SelectedValue);
            }
            set
            {
                comboBoxDress.SelectedValue = value;
            }
        }

        public IDressModel? IceCreamModel
        {
            get
            {
                if (_dressList == null)
                {
                    return null;
                }
                foreach (var elem in _dressList)
                {
                    if (elem.Id == DressId)
                    {
                        return elem;
                    }
                }
                return null;
            }
        }


        public int Count
        {
            get { return Convert.ToInt32(textBoxCount.Text); }
            set
            { textBoxCount.Text = value.ToString(); }
        }

        private void buttonSave_Click(object sender, EventArgs e)
        {
            if (string.IsNullOrEmpty(textBoxCount.Text))
            {
                MessageBox.Show("Заполните поле Количество", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (comboBoxDress.SelectedValue == null)
            {
                MessageBox.Show("Выберите мороженное", "Ошибка",
               MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }

            try
            {
                int count = Convert.ToInt32(textBoxCount.Text);

                bool res = _shopLogic.MakeSell(
                    _dressLogic.ReadElement(new() { Id = Convert.ToInt32(comboBoxDress.SelectedValue) }),
                    count
                );

                if (!res)
                {
                    throw new Exception("Ошибка при продаже.");
                }

                MessageBox.Show("Продажа прошла успешно");
                DialogResult = DialogResult.OK;
                Close();

            }
            catch (Exception err)
            {
                MessageBox.Show("Ошибка продажи");
                return;
            }
        }

        private void buttonCancel_Click(object sender, EventArgs e)
        {
            Close();
        }
    }
}