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 frmVydajZoSkladu : Form
    {
        Int32 intIDSkladOperacia = 0;
        public frmVydajZoSkladu(Int32 _intIDSkladOperacia)
        {
            intIDSkladOperacia = _intIDSkladOperacia;
            InitializeComponent();
        }

        private void button2_Click(object sender, EventArgs e)
        {

            DataRow newdr = tblForGridView.NewRow();
            newdr["Krabica"] = comboBox1.Text;
            newdr["Počet kusov"] = textBox1.Text;
            newdr["Typ"] = "Výdaj";
            label3.Text = (Convert.ToInt32(label3.Text) - Convert.ToInt32(textBox1.Text)).ToString();
            label5.Text = (Convert.ToInt32(label5.Text) + Convert.ToInt32(textBox1.Text)).ToString();
            label15.Text = (Convert.ToInt32(label15.Text) - Convert.ToInt32(textBox1.Text)).ToString();
            if (label3.Text == "0")
            {
                button2.Enabled = false;
                button3.Enabled = true;
                textBox1.Enabled = false;
                comboBox1.Enabled = false;
            }
            if(Convert.ToInt32(label15.Text) == 0) comboBox1.Items.RemoveAt(comboBox1.SelectedIndex);
            tblForGridView.Rows.Add(newdr);
            tblForGridView.AcceptChanges();
            dataGridView1.DataSource = tblForGridView;
            label13.Text = (Convert.ToInt32(label13.Text) - Convert.ToInt32(textBox1.Text)).ToString();
            textBox1.Text = "";
            if (label5.Text == "0") button4.Enabled = false;
            else button4.Enabled = true;

        }

        DataTable tblForGridView = new DataTable();
        Int32 idnajdivyrobok;
        private void frmVydajZoSkladu_Load(object sender, EventArgs e)
        {
            string cmd = "";
            cmd = "SELECT * FROM `tabskladvyrobkov` WHERE `IDOperacia` = " + intIDSkladOperacia + ";";
            DataTable VydajZoSkladu = new DataTable();
            classSQL.SQL(cmd, out VydajZoSkladu);
            DataRow dr0 = VydajZoSkladu.Rows[0];

            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();
            if (tblForGridView.Columns.Contains("Typ") == false)
            {
                DataColumn tblColumn3 = new DataColumn("Typ", typeof(string));
                tblForGridView.Columns.Add(tblColumn3);
            }
            else tblForGridView.Clear();

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

            DataTable tblVsetkyKrabicoveOperacie = new DataTable();
            string cmd3 = "";
            cmd3 = "SELECT * FROM `pohladkrabiceskop` WHERE `IDvyr` = " + idnajdivyrobok.ToString() + ";";
            classSQL.SQL(cmd3, out tblVsetkyKrabicoveOperacie);
            
            DataTable tblCBHodnoty = new DataTable();
            string cmd4 = "";
            cmd4 = "SELECT DISTINCT `CisloKrabice` FROM `pohladkrabiceskop` WHERE `IDvyr` = " + idnajdivyrobok.ToString() + ";";
            classSQL.SQL(cmd4, out tblCBHodnoty);
            comboBox1.Items.Clear();

            //DataTable tblPocetVKrabici = new DataTable();
            string strPocetVKrabici;
            foreach (DataRow CBRow in tblCBHodnoty.Rows)
            {
                
                string cmd5 = @"SELECT DISTINCT 
                                    (IFNULL((SELECT SUM(`PocetKusov`)  
                                                FROM `pohladkrabiceskop` 
                                                WHERE (`IDvyr` = " + idnajdivyrobok.ToString() +
                                                        @" AND (`SkladOperacia` = 'Príjem' OR `SkladOperacia` = 'Inventárny príjem') 
                                                           AND `StatusSkladOperacie` = 'Vybavený' 
                                                           AND `CisloKrabice` = " + CBRow["CisloKrabice"].ToString() + @")),0)
		 			                -
			  	                     IFNULL((SELECT SUM(`PocetKusov`)  
                                                FROM `pohladkrabiceskop` 
                                                WHERE (`IDvyr` = " + idnajdivyrobok.ToString() +
                                                        @" AND (`SkladOperacia` = 'Výdaj' OR `SkladOperacia` = 'Inventárny výdaj')
                                                           AND `CisloKrabice` = " + CBRow["CisloKrabice"].ToString() + @")),0)
  		 			                ) as `PocKus`
                                    FROM `pohladkrabiceskop`";
                classSQL.SQL(cmd5, out strPocetVKrabici);

                if (Convert.ToInt32(strPocetVKrabici) != 0)
                {
                    DataRow dr = tblForGridView.NewRow();
                    dr["Krabica"] = CBRow["CisloKrabice"].ToString();
                    dr["Počet kusov"] = strPocetVKrabici;
                    dr["Typ"] = "Celkový počet";
                    tblForGridView.Rows.Add(dr);
                    tblForGridView.AcceptChanges();
                    dataGridView1.DataSource = tblForGridView;
                    label12.Text = tblForGridView.Rows.Count.ToString();
                    label13.Text = (Convert.ToInt32(label13.Text) + Convert.ToInt32(strPocetVKrabici)).ToString();
                    comboBox1.Items.Add(CBRow["CisloKrabice"].ToString());
                }
            }

        }

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

        private void dataGridView1_Paint(object sender, PaintEventArgs e)
        {
            dataGridView1.DefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
            dataGridView1.ColumnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleCenter;
            dataGridView1.AutoResizeColumns();
        }

        private void comboBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            string searchValue = comboBox1.Text;
            
            dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
            foreach (DataGridViewRow row in dataGridView1.Rows) if (row.Cells["Krabica"].Value.ToString().Equals(searchValue)) label15.Text = row.Cells["Počet kusov"].Value.ToString();
            
            if (comboBox1.Text != "" && textBox1.Text != "") button2.Enabled = true;
            else button2.Enabled = false;

        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            if (textBox1.Text != "")
            {
                if (Convert.ToInt32(textBox1.Text.ToString()) > Convert.ToInt32(label15.Text.ToString())
                    || 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 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 button4_Click(object sender, EventArgs e)
        {
            label15.Text = "0";
            label12.Text = "0";
            label13.Text = "0";
            frmVydajZoSkladu_Load(null, null);
            comboBox1.Enabled = true;
            textBox1.Enabled = true;
            button3.Enabled = false;
            button4.Enabled = false;

        }

        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++)
            {
                if (tblForGridView.Rows[i].ItemArray[2].ToString() == "Výdaj")
                {
                    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 vydané zo skladu!");
            this.Close();
        }
    }
}