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 SellerForm : Form
    {
        public SellerForm()
        {
            InitializeComponent();
        }

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

        private void SellerForm_Load(object sender, EventArgs e)
        {
            populate();
        }

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

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

        SqlConnection Con = new SqlConnection(@"[Your Data Location]");

        private void AddButton1_Click(object sender, EventArgs e)
        {
            try
            {
                Con.Open();
                string query = "INSERT INTO SellerData VALUES("+SellerId.Text+", '"+SellerName.Text+"', '"+SellerAge.Text+"', '"+SellerPassword.Text+"', '"+SellerPhone.Text+"')";
                SqlCommand cmd = new SqlCommand(query, Con);
                cmd.ExecuteNonQuery();
                MessageBox.Show("New Seller Data Added Successfully");
                Con.Close();
                populate();
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void EditButton1_Click(object sender, EventArgs e)
        {
            try
            {
                Con.Open();
                string query = "UPDATE SellerData SET SellerName='" + SellerName.Text + "', SellerAge='" + SellerAge.Text + "', SellerPass='" + SellerPassword.Text + "', SellerPhone='" + SellerPhone.Text+"' WHERE SellerId='" + SellerId.Text + "'";
                SqlCommand cmd = new SqlCommand(query, Con);
                cmd.ExecuteNonQuery();
                MessageBox.Show("Seller Data Updated Successfully");
                Con.Close();
                populate();
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void DeleteButton1_Click(object sender, EventArgs e)
        {
            try
            {
                Con.Open();
                string query = "DELETE FROM SellerData WHERE SellerId = " + SellerId.Text + "";
                SqlCommand cmd = new SqlCommand(query, Con);
                cmd.ExecuteNonQuery();
                MessageBox.Show("Seller Data Deleted Successfully");
                Con.Close();
                populate();
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

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

        private void SellerDataGrid_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            SellerId.Text = SellerDataGrid.SelectedRows[0].Cells[0].Value.ToString();
            SellerName.Text = SellerDataGrid.SelectedRows[0].Cells[1].Value.ToString();
            SellerAge.Text = SellerDataGrid.SelectedRows[0].Cells[2].Value.ToString();
            SellerPassword.Text = SellerDataGrid.SelectedRows[0].Cells[3].Value.ToString();
            SellerPhone.Text = SellerDataGrid.SelectedRows[0].Cells[4].Value.ToString();
        }

        private void Logout1_Click(object sender, EventArgs e)
        {
            this.Hide();
            Login log = new Login();
            log.Show();
        }

        private void outbutton1_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
    }
}