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;
using Npgsql;

namespace demo25052026
{
    public partial class Form2 : Form
    {
        static string connS = "Server=localhost;Port=5432;Database=newdemo26;Username=postgres;Password=Swa2sWA13;";
        int ID_pr { get; set; }
        public Form2(int ID)
        {
            InitializeComponent();
            ID_pr = ID;
            if (ID != 0)
            {
                NpgsqlConnection npgsqlConnection = new NpgsqlConnection(connS);
                npgsqlConnection.Open();
                NpgsqlCommand command = new NpgsqlCommand(@$"SELECT ""Naimenov_ID"", ""Tip_ID"", ""Ed_izm"", ""Cena"", ""Postav_ID"", ""Proizv_ID"", ""Skidka"", ""Kolichestvo"", ""Opisanie"", ""Photo"", ""Articul"" FROM public.""Tovar"" WHERE ""ID_Tovar"" = {ID};", npgsqlConnection);
                DataTable data = new DataTable();
                data.Load(command.ExecuteReader());
                comboBox2.SelectedIndex = int.Parse(data.Rows[0].ItemArray[0].ToString()) - 1;
                comboBox1.SelectedIndex = int.Parse(data.Rows[0].ItemArray[1].ToString()) - 1;
                comboBox5.SelectedIndex = 0;
                textBox5.Text = data.Rows[0].ItemArray[3].ToString();
                comboBox4.SelectedIndex = int.Parse(data.Rows[0].ItemArray[4].ToString()) - 1;
                comboBox3.SelectedIndex = int.Parse(data.Rows[0].ItemArray[5].ToString()) - 1;

                Skidka.Text = data.Rows[0].ItemArray[6].ToString();

                textBox7.Text = data.Rows[0].ItemArray[7].ToString();
                textBox2.Text = data.Rows[0].ItemArray[8].ToString();
                if (data.Rows[0].ItemArray[9].ToString() != "")
                {
                    Photo.Image = Image.FromFile(data.Rows[0].ItemArray[9].ToString());
                    PhotoPath = data.Rows[0].ItemArray[9].ToString();
                }
                else
                {
                    Photo.Image = Image.FromFile("picture.png");
                }

                textBox1.Text = data.Rows[0].ItemArray[10].ToString();


                npgsqlConnection.Close();
            }

        }

        string PhotoPath { get; set; }
        private void button2_Click(object sender, EventArgs e)
        {
            if (ID_pr == 0)
            {
                NpgsqlConnection npgsqlConnection = new NpgsqlConnection(connS);
                npgsqlConnection.Open();
                NpgsqlCommand command = new NpgsqlCommand(@$"INSERT INTO public.""Tovar""(""Articul"", ""Naimenov_ID"", ""Ed_izm"", ""Cena"", ""Postav_ID"", ""Proizv_ID"", ""Tip_ID"", ""Skidka"", ""Kolichestvo"", ""Opisanie"", ""Photo"") VALUES ('{textBox1.Text}', {comboBox2.SelectedIndex + 1}, '{comboBox5.SelectedItem.ToString()}', {textBox5.Text}, {comboBox4.SelectedIndex + 1}, {comboBox3.SelectedIndex + 1}, {comboBox1.SelectedIndex + 1}, {Skidka.Text}, {textBox7.Text}, {textBox2.Text}, {PhotoPath});", npgsqlConnection);
                command.ExecuteNonQuery();

                npgsqlConnection.Close();
            }
            else
            {
                NpgsqlConnection npgsqlConnection = new NpgsqlConnection(connS);
                npgsqlConnection.Open();
                NpgsqlCommand command = new NpgsqlCommand(@$"UPDATE public.""Tovar"" SET  ""Articul""='{textBox1.Text}', ""Naimenov_ID""={comboBox2.SelectedIndex + 1}, ""Ed_izm""='{comboBox5.SelectedItem.ToString()}', ""Cena""= {textBox5.Text}, ""Postav_ID""={comboBox4.SelectedIndex + 1}, ""Proizv_ID""={comboBox3.SelectedIndex + 1}, ""Tip_ID""={comboBox1.SelectedIndex + 1}, ""Skidka""={Skidka.Text}, ""Kolichestvo""={textBox7.Text}, ""Opisanie""='{textBox2.Text}', ""Photo""= '{PhotoPath}' WHERE ""ID_Tovar""= {ID_pr};", npgsqlConnection);
                command.ExecuteNonQuery();

                npgsqlConnection.Close();
                
            }

        }

        private void comboBox2_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void Photo_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFile = new OpenFileDialog(); 
            if (openFile.ShowDialog() == DialogResult.OK)
            {
                PhotoPath = openFile.FileName;
                Photo.Image = Image.FromFile(PhotoPath);
            }

        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.Hide();
            Form1 form = new Form1();
            form.Hide();
        }

        private void button4_Click(object sender, EventArgs e)
        {
            NpgsqlConnection npgsqlConnection = new NpgsqlConnection(connS);
            npgsqlConnection.Open();
            NpgsqlCommand command = new NpgsqlCommand(@$"DELETE FROM public.""Tovar"" WHERE ""ID_Tovar"" = {ID_pr};", npgsqlConnection);
            command.ExecuteNonQuery();

            npgsqlConnection.Close();
        }
    }
}