using ForumContracts.BindingModels;
using ForumContracts.BusinessLogicContracts;
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 Forum
{
    public partial class FormCategories : Form
    {
        private readonly ICategoryLogic _categoryLogic;
        public FormCategories(ICategoryLogic categoryLogic)
        {
            InitializeComponent();
            _categoryLogic = categoryLogic;
        }


        private void buttonCreate_Click(object sender, EventArgs e)
        {
            var service = Program.ServiceProvider?.GetService(typeof(FormCategory));

            if (service is FormCategory form)
            {
                if (form.ShowDialog() == DialogResult.OK)
                {
                    LoadData();
                }
            }
        }

        private void LoadData()
        {
            try
            {
                var list = _categoryLogic.ReadList(null);

                if (list != null)
                {
                    dataGridView.DataSource = list;
                    dataGridView.Columns["Id"].Visible = false;
                    dataGridView.Columns["Name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
                }
            }
            catch (Exception)
            { }
        }

        private void FormCategories_Load(object sender, EventArgs e)
        {
            LoadData();
        }

        private void buttonDelete_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                if (MessageBox.Show("Удалить запись?", "Вопрос", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    int id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);

                    try
                    {
                        if (!_categoryLogic.Delete(new CategoryBindingModel
                        {
                            Id = id
                        }))
                        {
                            throw new Exception("Ошибка при удалении.");
                        }

                        LoadData();
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
        }

        private void buttonChange_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                var service = Program.ServiceProvider?.GetService(typeof(FormCategory));

                if (service is FormCategory form)
                {
                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);

                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        LoadData();
                    }
                }
            }
        }

        private void buttonUpdate_Click(object sender, EventArgs e)
        {
            LoadData();
        }

        private void buttonAddTopicInCategory_Click(object sender, EventArgs e)
        {
            if (dataGridView.SelectedRows.Count == 1)
            {
                var service = Program.ServiceProvider?.GetService(typeof(FormAddTopics));

                if (service is FormAddTopics form)
                {
                    form.Id = Convert.ToInt32(dataGridView.SelectedRows[0].Cells["Id"].Value);

                    if (form.ShowDialog() == DialogResult.OK)
                    {
                        LoadData();
                    }
                }
            }
        }
    }
}