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 Mip
{
    public partial class frmPrijemDoSkladu : Form
    {
        Int32 intIDSkladOperacia = 0;
        public frmPrijemDoSkladu(Int32 _intIDSkladOperacia)
        {
            intIDSkladOperacia = _intIDSkladOperacia;
            InitializeComponent();
        }

        DataTable tblForGridView = new DataTable();
        private void frmPrijemDoSkladu_Load(object sender, EventArgs e)
        {
            comboBox1.Items.Clear();
            classGlobal.FillCBSklad(comboBox1, "tabpomocnychudajov", "Hodnota", "Kategoria", "Pridať krabicu");
            
            string cmd = "";
            cmd = "SELECT * FROM `tabskladvyrobkov` WHERE `IDOperacia` = " + intIDSkladOperacia + ";";
            DataTable PrijemDoSkladu = new DataTable();
            classSQL.SQL(cmd, out PrijemDoSkladu);
            DataRow dr0 = PrijemDoSkladu.Rows[0];

            Int32 idnajdivyrobok = Convert.ToInt32(dr0["IDvyr"].ToString());
            string cmd2 = "";
            cmd2 = "SELECT * FROM `tabvyrobok` WHERE `IDVyrobok` = " + idnajdivyrobok + ";";
            DataTable tblnajdivyrobok = new DataTable();
            classSQL.SQL(cmd2, out tblnajdivyrobok);
            DataRow rownajdivyrobok = tblnajdivyrobok.Rows[0];

            label2.Text = rownajdivyrobok["NazovVyrobku"].ToString();
            label3.Text = dr0["Pocet"].ToString();
            label4.Text = dr0["Pocet"].ToString();
            label5.Text = "0";
            label9.Text = dr0["MaterialSUpravouMat"].ToString();

            if (tblForGridView.Columns.Contains("Krabica") == false)
            {
                DataColumn tblColumn = new DataColumn("Krabica", typeof(string));
                tblForGridView.Columns.Add(tblColumn);
            }
            else tblForGridView.Clear();
            if (tblForGridView.Columns.Contains("Počet kusov") == false)
            {
                DataColumn tblColumn2 = new DataColumn("Počet kusov", typeof(string));
                tblForGridView.Columns.Add(tblColumn2);
            }
            else tblForGridView.Clear();

            tblForGridView.AcceptChanges();
            dataGridView1.DataSource = tblForGridView;
            dataGridView1.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
            dataGridView1.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
            dataGridView1.AutoResizeColumns();
                        
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Form Add = new frmAddPomUdaje();
            Add.Text = "Pridať krabicu";
            DialogResult dr = Add.ShowDialog();
            if (dr == DialogResult.OK)
            {
                comboBox1.Items.Clear();
                classGlobal.FillCBSklad(comboBox1, "tabpomocnychudajov", "Hodnota", "Kategoria", "Pridať krabicu");
                comboBox1.Text = classGlobal.strNovyPomocnyUdaj;
            }
        }

        private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
        {
            int intResult;
            if (!(int.TryParse(textBox1.Text + e.KeyChar, out intResult)) && (int)e.KeyChar != 8) e.KeyChar = '\0';
            
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            if (textBox1.Text != "")
            {
                if (Convert.ToInt32(textBox1.Text.ToString()) > Convert.ToInt32(label3.Text.ToString())) textBox1.Text = textBox1.Text.Remove(textBox1.Text.Length - 1);
                textBox1.Select(textBox1.Text.Length, 0);

                if (comboBox1.Text != "" && textBox1.Text != "") button2.Enabled = true;
                else button2.Enabled = false;
            }
            else button2.Enabled = false;
        }

        private void button5_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void comboBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            if (comboBox1.Text != "" && textBox1.Text != "") button2.Enabled = true;
            else button2.Enabled = false;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            DataRow dr = tblForGridView.NewRow();
            dr["Krabica"] = comboBox1.Text;
            dr["Počet kusov"] = textBox1.Text;
            label3.Text = (Convert.ToInt32(label3.Text) - Convert.ToInt32(textBox1.Text)).ToString();
            label5.Text = (Convert.ToInt32(label5.Text) + Convert.ToInt32(textBox1.Text)).ToString();
            if (label3.Text == "0")
            {
                button2.Enabled = false;
                button3.Enabled = true;
                textBox1.Enabled = false;
                comboBox1.Enabled = false;
            }
            comboBox1.Items.RemoveAt(comboBox1.SelectedIndex);
            textBox1.Text = "";
            tblForGridView.Rows.Add(dr);
            tblForGridView.AcceptChanges();
            dataGridView1.DataSource = tblForGridView;
            label12.Text = tblForGridView.Rows.Count.ToString();
            label13.Text = label5.Text;
            if (label5.Text == "0") button4.Enabled = false;
            else button4.Enabled = true;
        }

        private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
        {
            DataRow dr; 
            dr = tblForGridView.Rows[dataGridView1.CurrentRow.Index];
                     
            label3.Text = (Convert.ToInt32(label3.Text) + Convert.ToInt32(dr["Počet kusov"].ToString())).ToString();
            label5.Text = (Convert.ToInt32(label5.Text) - Convert.ToInt32(dr["Počet kusov"].ToString())).ToString();
            comboBox1.Items.Add(dr["Krabica"].ToString());
            tblForGridView.Rows.RemoveAt(dataGridView1.CurrentRow.Index);
            dataGridView1.DataSource = tblForGridView;
            button2.Enabled = true;
            button3.Enabled = false;
            textBox1.Enabled = true;
            comboBox1.Enabled = true;
            
        }

        private void button3_Click(object sender, EventArgs e)
        {
            string cmd = "UPDATE `mip`.`tabskladvyrobkov` SET `StatusSkladOperacie`= 'Vybavený', `DatumVykonania`= DATE(NOW()) WHERE  `IDOperacia`=" + intIDSkladOperacia.ToString() + ";";
            classSQL.SQL(cmd);

            for (int i = 0; i < tblForGridView.Rows.Count ; i++)
            {
                cmd = @"INSERT INTO `mip`.`tabskladkrabice` (`CisloKrabice`, `IDSkladovaOperacia`, `PocetKusov`) VALUES ("
                    + tblForGridView.Rows[i].ItemArray[0].ToString() + ", "
                    + intIDSkladOperacia.ToString() + ", "
                    + tblForGridView.Rows[i].ItemArray[1].ToString() + ");";
                classSQL.SQL(cmd);
                
            }
            tblForGridView.Rows.Clear();
            dataGridView1.DataSource = tblForGridView;
            MessageBox.Show("Všetky kusy úspešne prijaté do skladu!");
            this.Close();
        }

        private void button4_Click(object sender, EventArgs e)
        {

            label12.Text = "0";
            label13.Text = "0";
            frmPrijemDoSkladu_Load(null,null);
            comboBox1.Enabled = true;
            textBox1.Enabled = true;
            button3.Enabled = false;
            button4.Enabled = false;
        }

    }
}