using MySql.Data.MySqlClient;
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 NeshinaPolina07_11
{
    public partial class _3Menu : Form
    {
        public _3Menu()
        {
            InitializeComponent();
            this.Text = "Пользователь";
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void _3Menu_Load(object sender, EventArgs e)
        {
            try
            {
                var db = DB.GetInstance();
                var connection = db.GetConnection();

                string query = @"
                    SELECT 
                        p.product_id,
                        p.product_article,
                        p.product_name,
                        p.unit,
                        p.price,
                        p.discount,
                        p.quantity_in_stock,
                        p.description,
                        p.photo,
                        c.category_name AS category,
                        m.manufacturer_name AS manufacturer,
                        s.supplier_name AS supplier
                    FROM products p
                    LEFT JOIN categories c ON p.category_id = c.category_id
                    LEFT JOIN manufacturers m ON p.manufacturer_id = m.manufacturer_id
                    LEFT JOIN suppliers s ON p.supplier_id = s.supplier_id;";

                using (MySqlCommand cmd = new MySqlCommand(query, connection))
                using (MySqlDataAdapter adapter = new MySqlDataAdapter(cmd))
                {
                    DataTable dt = new DataTable();
                    adapter.Fill(dt);

                    dgvProducts.DataSource = dt;
                }

                dgvProducts.AutoResizeColumns();
            }
            catch (Exception ex)
            {
                MessageBox.Show("Ошибка загрузки данных: " + ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

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

        private void _3Menu_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
            this.Hide();
            MainForm form1 = new MainForm();
            form1.Show();
        }
    }
}