using SoftwareInstallationContracts.BindingModels;
using SoftwareInstallationContracts.BusinessLogicsContracts;
using SoftwareInstallationContracts.ViewModels;
using Microsoft.Extensions.Logging;
using System;
using System.Collections;
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 SoftwareInstallationView
{
    public partial class FormAddPackageInShop : Form
    {
        private readonly ILogger _logger;
        private readonly IShopLogic _shopLogic;
        private readonly IPackageLogic _packageLogic;
        private readonly List<ShopViewModel>? _listShops;
        private readonly List<PackageViewModel>? _listPackages;

        public FormAddPackageInShop(ILogger<FormAddPackageInShop> logger, IShopLogic shopLogic, IPackageLogic packageLogic)
        {
            InitializeComponent();
            _shopLogic = shopLogic;
            _packageLogic = packageLogic;
            _logger = logger;
            _listShops = shopLogic.ReadList(null);
            if (_listShops != null)
            {
                textBoxShop.DisplayMember = "Name";
                textBoxShop.ValueMember = "Id";
                textBoxShop.DataSource = _listShops;
                textBoxShop.SelectedItem = null;
            }

            _listPackages = packageLogic.ReadList(null);
            if (_listPackages != null)
            {
                textBoxPackage.DisplayMember = "PackageName";
                textBoxPackage.ValueMember= "Id";
                textBoxPackage.DataSource = _listPackages;
                textBoxPackage.SelectedItem = null;
            }
        }

        private void ButtonSave_Click(object sender, EventArgs e)
        {
            if (textBoxShop.SelectedValue == null)
            {
                MessageBox.Show("Выберите магазин", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            if (textBoxPackage.SelectedValue == null)
            {
                MessageBox.Show("Выберите изделие", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                return;
            }
            _logger.LogInformation("Добавление изделия в магазин");
            try
            {
                var package = _packageLogic.ReadElement(new() 
                { 
                    Id = (int)textBoxPackage.SelectedValue 
                });
                if (package == null) 
                {
                    throw new Exception("Не найдено изделие. Дополнительная информация в логах.");
                }
                var resultOperation = _shopLogic.AddPackage(
                     model: new() { Id = (int)textBoxShop.SelectedValue },
                    package: package,
                     count: (int)numericUpDownCount.Value
                );
                if (!resultOperation)
                {
                    throw new Exception("Ошибка при добавлении. 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 изделия");
                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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