using Fuel01.Models;
using Newtonsoft.Json;
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.Security.Cryptography.X509Certificates;
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;
        
        string id_sta;
        public f_presta(TextBox key_sta)
        {
            InitializeComponent();

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

            if (File.Exists(Program.subfolder + @"\presta.json"))
            {
                tb_presta = DbUtil.LoadPrestaFromJson(Program.subfolder + @"\presta.json", lproduit);
                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;

        }

        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)
        {
            SavePresta();
        }

        private void init_list_produit()
        {
           lproduit=DbUtil.GetProduits();

            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 SavePresta()
        {
            List<PrestaSta> prestaStas = new List<PrestaSta>();
            tb_presta.AcceptChanges();
            string filter = tbprestaBindingSource.Filter;
            tbprestaBindingSource.Filter = "";
            tbprestaBindingSource.Sort = "sta_pr,kind_pr,prod_pr";
            bool isEmpty = tb_presta.Count == 0;

            var result0 = isEmpty ? "[]" : JsonConvert.SerializeObject(tb_presta);
            var result1 = isEmpty ? new List<Presta>() : JsonConvert.DeserializeObject<List<Presta>>(result0);
            var oldPr = "*";
            Prod prod;
            PrestaSta newPresta=new PrestaSta() ;
            foreach (var presta in result1)
            {
                var l_pr = lproduit.FirstOrDefault(x => x.key_prod == presta.prod_pr);
                if (l_pr == null)
                {
                    continue;
                }

                var idSta = presta.sta_pr;
                var kind = presta.kind_pr;
                if (idSta != oldPr)
                {
                    newPresta = new PrestaSta();
                    newPresta.sta_pr = presta.sta_pr ;                    
                    prestaStas.Add(newPresta);
                    oldPr = idSta;
                }

                prod = new Prod
                {
                    lib_prod = l_pr.lib_prod,
                    prod_pr = presta.prod_pr,
                    unite_pr = presta.unite_pr,
                    pu_pr = presta.pu_pr.ToString("0.000"),
                    tva_pr = presta.tva_pr.ToString("0.000"),
                    ttc_pr = presta.ttc_pr.ToString("0.000")
                };

                if (newPresta != null)
                {
                    if (kind == "Carburant")
                    {
                        newPresta.carburants.Add(prod);
                    }
                    else
                    {
                        newPresta.autres.Add(prod);
                    }
                }
            }
            tbprestaBindingSource.Filter = filter;

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

            DbUtil.SaveToJson(prestaStas, Program.subfolder + @"\presta.json");

        }

        private void button1_Click(object sender, EventArgs e)
        {
            SavePresta();         
        }

        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_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;
            }
        }


    }

}