using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace Supermarket
{
    public partial class CategoriesForm : Form
    {
        public CategoriesForm()
        {
            InitializeComponent();
        }

        private void ProductButton3_Click(object sender, EventArgs e)
        {
            this.Hide();
            ProductForm log = new ProductForm();
            log.Show();
        }

        private void CategoryButton3_Click(object sender, EventArgs e)
        {
            this.Hide();
            CategoriesForm log = new CategoriesForm();
            log.Show();
        }

        private void SellerButton3_Click(object sender, EventArgs e)
        {
            this.Hide();
            SellerForm log = new SellerForm();
            log.Show();
        }

        private void populate()
        {
            Con.Open();
            string query = "SELECT * FROM CategoryData";
            SqlDataAdapter sda = new SqlDataAdapter(query, Con);
            SqlCommandBuilder builder = new SqlCommandBuilder(sda);
            var ds = new DataSet();
            sda.Fill(ds);
            CategoryDatagrid.DataSource = ds.Tables[0];
            Con.Close();
        }

        SqlConnection Con = new SqlConnection(@"[Your Data Location]");
        private void AddButton3_Click(object sender, EventArgs e)
        {
            try
            {
                Con.Open();
                string query = "INSERT INTO CategoryData VALUES(" + CategoryId.Text + ", '" + CategoryName.Text+ "', '" + CategoryDescription.Text+ "')";
                SqlCommand cmd = new SqlCommand(query, Con);
                cmd.ExecuteNonQuery();
                MessageBox.Show("Category Added Successfully");
                Con.Close();
                populate();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void EditButton3_Click(object sender, EventArgs e)
        {
            try
            {
                Con.Open();
                string query = "UPDATE CategoryData SET CategoryName='" + CategoryName.Text+ "', CategoryDescription='" + CategoryDescription.Text+ "' WHERE CategoryId='" + CategoryId.Text+ "'";
                SqlCommand cmd = new SqlCommand(query, Con);
                cmd.ExecuteNonQuery();
                MessageBox.Show("Category Updated Successfully");
                Con.Close();
                populate();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void DeleteButton3_Click(object sender, EventArgs e)
        {
            try
            {
                Con.Open();
                string query = "DELETE FROM CategoryData WHERE CategoryId = " + CategoryId.Text+ "";
                SqlCommand cmd = new SqlCommand(query, Con);
                cmd.ExecuteNonQuery();
                MessageBox.Show("Category Deleted Successfully");
                Con.Close();
                populate();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void CategoryDatagrid_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
                CategoryId.Text = CategoryDatagrid.SelectedRows[0].Cells[0].Value.ToString();
                CategoryName.Text = CategoryDatagrid.SelectedRows[0].Cells[1].Value.ToString();
                CategoryDescription.Text = CategoryDatagrid.SelectedRows[0].Cells[2].Value.ToString();
        }

        private void panel5_Paint(object sender, PaintEventArgs e)
        {
            populate();
        }

        private void Logout3_Click(object sender, EventArgs e)
        {
            this.Hide();
            Login log = new Login();
            log.Show();
        }

        private void outbutton3_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
    }
}