using ComputersShopContracts.BusinessLogicContracts;
using ComputersShopContracts.ViewModels;
using Microsoft.Extensions.Logging;
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;

namespace ComputersShopView
{
    public partial class FormSellComputers : Form
    {
        private readonly ILogger _logger;
        private readonly IShopLogic _shopLogic;
        private readonly IComputerLogic _computerLogic;
        private readonly List<ComputerViewModel>? _listComputer;
        public FormSellComputers(ILogger<FormSellComputers> logger, IShopLogic shopLogic, IComputerLogic computerLogic)
        {
            InitializeComponent();
            _logger = logger;
            _shopLogic = shopLogic;
            _computerLogic = computerLogic;
            _listComputer = computerLogic.ReadList(null);
            if (_listComputer != null)
            {
                comboBoxDocuments.DisplayMember = "ComputerName";
                comboBoxDocuments.ValueMember = "Id";
                comboBoxDocuments.DataSource = _listComputer;
                comboBoxDocuments.SelectedItem = null;
            }
        }

        private void ButtonSave_Click(object sender, EventArgs e)
        {
            if (comboBoxDocuments.SelectedValue == null)
            {
                MessageBox.Show("Выберите корабль", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (string.IsNullOrEmpty(numericUpDownCount.Text))
            {
                MessageBox.Show("Заполните количество", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _logger.LogInformation("Продажа поездок");
            try
            {
                var comp = _computerLogic.ReadElement(new()
                {
                    Id = (int)comboBoxDocuments.SelectedValue
                });
                if (comp == null)
                {
                    throw new Exception("Компьютер не найден. Дополнительная информация в логах.");
                }
                var operationResult = _shopLogic.SellComputers(
                    computer: comp,
                    quantity: (int)numericUpDownCount.Value
                );
                if (!operationResult)
                {
                    throw new Exception("Ошибка при продаже компьютера. Дополнительная информация в логах.");
                }
                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
                DialogResult = DialogResult.OK;
                Close();
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Ошибка сохранения компьютера");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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