using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Xml.Linq;
using Excel = Microsoft.Office.Interop.Excel;


namespace Fuel01
{
    public partial class f_presta : Form
    {
        DataSet1.tb_prestaDataTable tb_presta = new DataSet1.tb_prestaDataTable();
        DataSet1.tb_venteDataTable tb_vente = new DataSet1.tb_venteDataTable();
        DataSet1.tb_stationDataTable tb_station = new DataSet1.tb_stationDataTable();

        DataSet1.tb_stationRow current_sta = null;
        List<produit> lproduit = new List<produit>();

        DataGridViewRow myrow = null;
        float oldqtt = 0;
        static ProdEqualityComparer prodEqC = new ProdEqualityComparer();
        Dictionary<id_prod, vente_tot> lvente_tot = new Dictionary<id_prod, vente_tot>(prodEqC);
        Dictionary<decimal, vente_tva> lvente_tva = new Dictionary<decimal, vente_tva>();


        string id_sta = "";
        public f_presta(TextBox key_sta)
        {
            InitializeComponent();
            
            if (File.Exists(Program.subfolder + @"\station.json"))
                tb_station = DbUtil.LoadFromJson<DataSet1.tb_stationDataTable>(Program.subfolder + @"\station.json", tb_station);

            if (File.Exists(Program.folder + @"\param\produit.xml"))
                init_list_produit();

            if (File.Exists(Program.subfolder + @"\presta_base.json"))
                tb_presta = DbUtil.LoadFromJson<DataSet1.tb_prestaDataTable>(Program.subfolder + @"\presta_base.json", tb_presta);
            tb_presta.AcceptChanges();
            tbprestaBindingSource.DataSource = tb_presta;

            if (File.Exists(Program.subfolder + @"\vente.json"))
                tb_vente = DbUtil.LoadFromJson<DataSet1.tb_venteDataTable>(Program.subfolder + @"\vente.json", tb_vente);
            tb_vente.AcceptChanges();
            tbventeBindingSource.DataSource = tb_vente;
            
            id_sta = key_sta.Text;
            tbprestaBindingSource.Filter = " sta_pr='" + id_sta + "'";
            tbventeBindingSource.Filter = " station_vt='" + id_sta + "'";

            tbprestaBindingSource.Sort = "sta_pr,kind_pr,prod_pr";
            key_sta.TextChanged += key_sta_TextChanged;

            key_sta_TextChanged(key_sta, null);

            t_facture.Enabled = Program.isExcel;

        }

        private void f_presta_Load(object sender, EventArgs e)
        {
            
        }


        void key_sta_TextChanged(object sender, EventArgs e)
        {
            TextBox mytxtb = sender as TextBox;
            id_sta = mytxtb.Text;
            tbprestaBindingSource.Filter = " sta_pr='" + id_sta + "'";
            tbventeBindingSource.Filter = " station_vt='" + id_sta + "'";

            current_sta = tb_station.FindBykey_sta(id_sta);
        }

        private void f_presta_FormClosing(object sender, FormClosingEventArgs e)
        {
            DbUtil.SaveToJson<DataSet1.tb_prestaDataTable>(Program.subfolder + @"\presta_base.json", tb_presta);

            DbUtil.SaveToJson<DataSet1.tb_venteDataTable>(Program.subfolder + @"\presta_base.json", tb_vente);

            tbprestaBindingSource.Filter = "";
            tbprestaBindingSource.Sort = "sta_pr,kind_pr,prod_pr";
            tbprestaBindingSource.MoveFirst();
            int i = 0;
            while (tbprestaBindingSource.Position<tbprestaBindingSource.Count-1)
            {
                DataSet1.tb_prestaRow myNewRow = tb_presta.Rows[i++] as DataSet1.tb_prestaRow;
                string a=i.ToString()+"-"+myNewRow["sta_pr"].ToString()+"-"+myNewRow["kind_pr"].ToString()+"-"+myNewRow["prod_pr"].ToString(); 
                Console.WriteLine(a);
                tbprestaBindingSource.MoveNext();
            }
        }

        private void init_list_produit()
        {

            XDocument xRoot = XDocument.Load(Program.folder + @"\param\produit.xml");
            var data = from item in xRoot.Descendants("tb_prod")
                       orderby item.Element("type_prod").Value, item.Element("lib_prod").Value
                       select new produit()
                       {
                           key_prod = item.Element("key_prod").Value,
                           lib_prod = item.Element("lib_prod").Value,
                           type_prod = item.Element("type_prod").Value
                       };
            lproduit = data.ToList();

            dg_presta_prod.Items.Clear();
            dg_presta_prod.DataSource = lproduit;
            dg_presta_prod.DisplayMember ="lib_prod" ;
            dg_presta_prod.ValueMember = "key_prod";

        }

        private void dg_presta_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
        {
            if (e.RowIndex > 0)
            {
                if (dg_presta.Rows[e.RowIndex - 1].Cells[0].Value is System.DBNull)
                {
                    dg_presta.Rows[e.RowIndex - 1].Cells[0].Value = id_sta;
                }
                if (dg_presta.Rows[e.RowIndex - 1].Cells[0].Value == null)
                {
                    dg_presta.Rows[e.RowIndex - 1].Cells[0].Value = id_sta;
                }
            }
        }

        private void bt_ajCarbu_Click(object sender, EventArgs e)
        {
            foreach (produit p in lproduit.Where(p => p.type_prod == "Carburant"))
            {
                bool ok = false;
                for (int i = 0; i < dg_presta.RowCount - 1 && !ok; i++)
                    if (dg_presta.Rows[i].Cells[1].Value.ToString() == p.key_prod)
                        ok = true;
                if (!ok)
                {
                    DataSet1.tb_prestaRow myNewRow = tb_presta.Newtb_prestaRow();
                    myNewRow["sta_pr"] = id_sta;
                    myNewRow["prod_pr"] = p.key_prod;
                    myNewRow["kind_pr"] = p.type_prod;
                    myNewRow["unite_pr"] = "L";
                    myNewRow["pu_pr"] = 1;
                    myNewRow["tva_pr"] = 20;
                    myNewRow["ttc_pr"] = 1.2;
                    tb_presta.Addtb_prestaRow(myNewRow);
                }
            }

        }

        private void bt_ajProd_Click(object sender, EventArgs e)
        {
            foreach (produit p in lproduit)
            {
                bool ok = false;
                for (int i = 0; i < dg_presta.RowCount - 1 && !ok; i++)
                    if (dg_presta.Rows[i].Cells[1].Value.ToString() == p.key_prod)
                        ok = true;
                if (!ok)
                {
                    DataSet1.tb_prestaRow myNewRow = tb_presta.Newtb_prestaRow();
                    myNewRow["sta_pr"] = id_sta;
                    myNewRow["prod_pr"] = p.key_prod;
                    myNewRow["kind_pr"] = p.type_prod;
                    myNewRow["unite_pr"] = p.type_prod == "Carburant" ? "L" : "U";
                    myNewRow["pu_pr"] = 1;
                    myNewRow["tva_pr"] = 20;
                    myNewRow["ttc_pr"] = 1.2;
                    tb_presta.Addtb_prestaRow(myNewRow);
                }
            }
        }

        private void bt_calcHT_Click(object sender, EventArgs e)
        {
            foreach (DataSet1.tb_prestaRow p in tb_presta.Rows)
            {
                if (p["ttc_pr"].ToString() != "" && p["tva_pr"].ToString() != "")
                {
                    Decimal ttc = (Decimal)p["ttc_pr"];
                    Decimal tva = 1 + (Decimal)p["tva_pr"] / 100;
                    Decimal ht = ttc / tva;
                    ht = Math.Round(ht, 3);
                    p["pu_pr"] = ht;
                }
            }
        }

        private void bt_calcTTC_Click(object sender, EventArgs e)
        {
            foreach (DataSet1.tb_prestaRow p in tb_presta.Rows)
            {

                Console.WriteLine(p["sta_pr"].ToString());
                Console.WriteLine(p["prod_pr"].ToString());
                Console.WriteLine(p["kind_pr"].ToString());
                Console.WriteLine(p["unite_pr"].ToString());
                Console.WriteLine(p["pu_pr"].ToString());
                Console.WriteLine(p["tva_pr"].ToString());
                Console.WriteLine(p["ttc_pr"].ToString());
                if (p["pu_pr"].ToString() != "" && p["tva_pr"].ToString() != "")
                {
                    Decimal ht = (Decimal)p["pu_pr"];
                    Decimal tva = 1 + (Decimal)p["tva_pr"] / 100;
                    Decimal ttc = ht * tva;
                    ttc = Math.Round(ttc, 3);
                    p["ttc_pr"] = ttc;
                }
            }
        }

      
        private void dg_vente_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
        {
            if (e.RowIndex > 0)
            {
                if (dg_vente.Rows[e.RowIndex - 1].Cells[0].Value is System.DBNull)
                {
                    dg_vente.Rows[e.RowIndex - 1].Cells[0].Value = Program.key_ope;
                    dg_vente.Rows[e.RowIndex - 1].Cells[1].Value = id_sta;
                }

                if (dg_vente.Rows[e.RowIndex - 1].Cells[0].Value == null)
                {
                    dg_vente.Rows[e.RowIndex - 1].Cells[0].Value = Program.key_ope;
                    dg_vente.Rows[e.RowIndex - 1].Cells[1].Value = id_sta;
                }
            }
        }

        private void dg_presta_CellEndEdit(object sender, DataGridViewCellEventArgs e)
        {
            if (e.ColumnIndex != 1) return;
            string typeProd="";
            string prod = dg_presta.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString();
            if (lproduit.Exists(xx => xx.key_prod == prod))
                typeProd = lproduit.Find(xx => xx.key_prod == prod).type_prod;
            dg_presta.Rows[e.RowIndex].Cells[2].Value = typeProd;

        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                string filter = tbprestaBindingSource.Filter;
                tbprestaBindingSource.Filter = "";
                tbprestaBindingSource.Sort = "sta_pr,kind_pr,prod_pr";
                tbprestaBindingSource.MoveFirst();
                int size = tbprestaBindingSource.Count;
                System.Data.DataRowView[] arr = new System.Data.DataRowView[8192];
                tbprestaBindingSource.CopyTo(arr, 0);
                int id_sta = 9999;
                string kind_carbu = "####";
                XElement station = null;
                XElement prod = null;
                XElement detail = null;
                XElement presta = new XElement("tb_prestas", null);
                for (int i = 0; i < tbprestaBindingSource.Count; i++)
                {
                    string a = i.ToString() + "-" + arr[i].Row["sta_pr"].ToString() + "-" + arr[i].Row["kind_pr"].ToString() + "-" + arr[i].Row["prod_pr"].ToString();
                    Console.WriteLine(a);
                    if (id_sta != Convert.ToInt32(arr[i].Row["sta_pr"]))
                    {
                        station = new XElement("tb_presta", new XElement("sta_pr", arr[i].Row["sta_pr"].ToString()));
                        presta.Add(station);
                        id_sta = Convert.ToInt32(arr[i].Row["sta_pr"]);
                        kind_carbu = "####";
                    }
                    if (kind_carbu != arr[i].Row["kind_pr"].ToString())
                    {
                        prod = new XElement(arr[i].Row["kind_pr"].ToString() == "Carburant" ? "carburants" : "autres", null);
                        station.Add(prod);
                        kind_carbu = arr[i].Row["kind_pr"].ToString();
                    }
                    if (lproduit.Find(xx => xx.key_prod == arr[i].Row["prod_pr"].ToString()) != null)
                    {

                        detail = new XElement(arr[i].Row["kind_pr"].ToString() == "Carburant" ? "carburant" : "autre",
                                    new XElement("prod_pr", arr[i].Row["prod_pr"].ToString()),
                                    new XElement("lib_prod", lproduit.Find(xx => xx.key_prod == arr[i].Row["prod_pr"].ToString()).lib_prod),
                                    new XElement("unite_pr", arr[i].Row["unite_pr"].ToString()),
                                    new XElement("pu_pr", arr[i].Row["pu_pr"].ToString()),
                                    new XElement("tva_pr", arr[i].Row["ttc_pr"].ToString()),
                                    new XElement("ttc_pr", arr[i].Row["ttc_pr"].ToString()));
                        prod.Add(detail);
                    }
                    else
                    {
                        MessageBox.Show(arr[i].Row["prod_pr"].ToString() + " Produit supprimé !!","Attention",MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
                    }
                }
                presta.Save(Program.subfolder + @"\presta.xml");

                DbUtil.SaveToJson<DataSet1.tb_prestaDataTable>(Program.subfolder + @"\presta_base.json", tb_presta);

                tbprestaBindingSource.Filter = filter;
                MessageBox.Show("Sauvegarde effectuée, il faut maintenant envoyer les fichiers !!","Terminé", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            catch (Exception ex)
            {
                MessageBox.Show("Sauvegarde non effectuée!!!!"+"\r\n"+ex.Message, "Erreur", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }

        private void t_facture_Click(object sender, EventArgs e)
        {
            f_facture ffac = new f_facture(current_sta["key_sta"].ToString());
            ffac.ShowDialog();        

        }

        private void dg_vente_CellEndEdit(object sender, DataGridViewCellEventArgs e)
        {
            Console.WriteLine("EN EDIT ");
            bool ok = true;
            if (myrow != null)
            {
                Console.WriteLine("EN EDIT OK1");
                float qtt = 0;
                float puttc = 0;
                float tva = 0;
                float ttc = 0;
                float ht = 0;
                ok = float.TryParse(myrow.Cells[5].Value.ToString(), out qtt);
                if (ok) ok = float.TryParse(myrow.Cells[6].Value.ToString(), out puttc);
                if (ok) ok = float.TryParse(myrow.Cells[7].Value.ToString(), out tva);
                if (ok) ok = float.TryParse(myrow.Cells[8].Value.ToString(), out ht);
                if (ok) ok = float.TryParse(myrow.Cells[9].Value.ToString(), out ttc);

                if (!ok)
                {
                    MessageBox.Show("Erreur de saisie");                    
                    dg_vente.Rows[e.RowIndex].Cells[5].Value = oldqtt;
                    return;
                }
                dg_vente.Rows[e.RowIndex].Cells[9].Value = qtt * puttc;
                dg_vente.Rows[e.RowIndex].Cells[8].Value = ( qtt * puttc) / ( 1 + (tva/100));
            }
            myrow = null;
            oldqtt = 0;
            Console.WriteLine("ENd EDIT OUt");
        }

        private void dg_vente_CellBeginEdit(object sender, DataGridViewCellCancelEventArgs e)
        {
            Console.WriteLine("BEGIN  EDIT");
            myrow = dg_vente.Rows[e.RowIndex];
            if ( !float.TryParse(myrow.Cells[5].Value.ToString(), out oldqtt))
                e.Cancel = true;
            
        }

        private void dg_vente_CellLeave(object sender, DataGridViewCellEventArgs e)
        {
          
        }

        private void dg_vente_DataError(object sender, DataGridViewDataErrorEventArgs e)
        {
            if (myrow != null)
            {
                MessageBox.Show("Appuyez sur la touche Echappe (ESC Escape) \r\n dans la grille de saisie pour Abndonner l'opération","Erreur de saisie");
                dg_vente.Rows[e.RowIndex].Cells[5].Value = oldqtt;
                myrow = null;
                oldqtt = 0;
            }
        }

        private void chk_modif_CheckedChanged(object sender, EventArgs e)
        {
            dg_vt_qtt.ReadOnly = !chk_modif.Checked;
            for (int i=0; i<dg_vente.ColumnCount;i++)
            {
                if (i==5)
                    dg_vente.Columns[i].DefaultCellStyle.BackColor =    chk_modif.Checked? Color.LimeGreen: Color.Empty;
                else
                    dg_vente.Columns[i].DefaultCellStyle.BackColor = chk_modif.Checked ? Color.OrangeRed : Color.Empty;
            }
        }

        
    }
   
}