using Contracts.BindingModels;
using Contracts.BusinessLogicContracts;
using Contracts.ViewModels;
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 Forms
{
    public partial class CategoryForm : Form
    {
        private readonly ICategoryLogic _categoryLogic;

        public CategoryForm(ICategoryLogic categoryLogic)
        {
            InitializeComponent();
            _categoryLogic = categoryLogic;
            LoadCategories();
        }

        private void LoadCategories()
        {
            var categories = _categoryLogic.ReadList().ToList();
            dataGridViewCategories.DataSource = categories;
        }

        private void dataGridViewCategories_CellValueChanged(object sender, DataGridViewCellEventArgs e)
        {
            if (e.RowIndex >= 0)
            {
                var category = dataGridViewCategories.Rows[e.RowIndex].DataBoundItem as CategoryViewModel;
                if (category != null)
                {
                    var model = new CategoryBindingModel
                    {
                        Id = category.Id,
                        Name = category.Name
                    };
                    _categoryLogic.Update(model);
                }
            }
        }

        private void dataGridViewCategories_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
        {
            var category = e.Row.DataBoundItem as CategoryViewModel;
            if (category != null)
            {
                if (MessageBox.Show("Вы уверены, что хотите удалить выбранную категорию?", "Да", MessageBoxButtons.YesNo) == DialogResult.Yes)
                {
                    _categoryLogic.Delete(new CategoryBindingModel { Id = category.Id });
                }
                else
                {
                    e.Cancel = true;
                }
            }
        }

        private void dataGridViewCategories_UserAddedRow(object sender, DataGridViewRowEventArgs e)
        {
            var category = new CategoryViewModel { Name = "" };
            var model = new CategoryBindingModel
            {
                Name = category.Name
            };
            _categoryLogic.Create(model);
            LoadCategories();
        }

        private void dataGridViewCategories_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Insert)
            {
                var category = new CategoryViewModel { Name = "" };
                var model = new CategoryBindingModel
                {
                    Name = category.Name
                };
                _categoryLogic.Create(model);
                LoadCategories();
            }
            else if (e.KeyCode == Keys.Delete)
            {
                if (dataGridViewCategories.SelectedRows.Count > 0)
                {
                    var selectedCategory = dataGridViewCategories.SelectedRows[0].DataBoundItem as CategoryViewModel;
                    if (selectedCategory != null)
                    {
                        if (MessageBox.Show("Вы уверены, что хотите удалить выбранную категорию?", "Да", MessageBoxButtons.YesNo) == DialogResult.Yes)
                        {
                            _categoryLogic.Delete(new CategoryBindingModel { Id = selectedCategory.Id });
                            LoadCategories();
                        }
                    }
                }
            }
        }
    }
}