using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.Common;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace megadem
{
    public partial class MaterialForm : Form
    {
        private MySqlDataAdapter dataAdapter;
        private DataTable prodTable;
        private BindingSource bindingSource = new BindingSource();

        public MaterialForm()
        {
            InitializeComponent();
            LoadProdData();
        }

        private void LoadProdData() // загрузка данных в дгв
        {
            try
            {
                DB db = new DB();
                using (MySqlConnection connection = db.getConnection())
                {
                    connection.Open();
                    string query = "SELECT Product_name AS `Название продукта`, Material_name AS `Название материала`, Quantity_of_material AS `Количество материала` FROM ProductMaterial LEFT JOIN Product ON Product.idProduct = ProductMaterial.ProductID LEFT JOIN Material ON Material.Material_name = ProductMaterial.MaterialID";

                    dataAdapter = new MySqlDataAdapter(query, connection);
                    prodTable = new DataTable();
                    dataAdapter.Fill(prodTable);
                    dataGridViewMaterial.RowTemplate.Height = 60;
                    bindingSource.DataSource = prodTable;
                    dataGridViewMaterial.DataSource = bindingSource;
                    dataGridViewMaterial.AllowUserToAddRows = false;
                    dataGridViewMaterial.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.DisplayedCells;
                    dataGridViewMaterial.ReadOnly = true; // настройки дгв

                }
            }
            catch (MySqlException ex)
            {
                MessageBox.Show("Ошибка при подключении к базе данных или выполнении запроса: " + ex.Message);
            }
            catch (Exception ex)
            {
                MessageBox.Show("Произошла общая ошибка: " + ex.Message);
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            MainForm form = new MainForm();
            form.Show();
        }
    }

}