using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Ionic.Utils.Zip;

namespace Fuel01
{
    public partial class f_epreuve : Form
    {
        DataSet1.tb_epreuveDataTable tb_epr = new DataSet1.tb_epreuveDataTable();
        private bool hasChanged = false;
        string key_new = "";    //initilalisé en création uniquement
        public f_epreuve(DataSet1.tb_epreuveDataTable tb_epr)
        {
            InitializeComponent();
            this.tb_epr = tb_epr;
        }

        private void f_epreuve_Load(object sender, EventArgs e)
        {
            tb_epr.AcceptChanges();
            tbepreuveBindingSource.DataSource = tb_epr;
            turn_txt(false);
            turn_bt(false);
            if (Program.key_ope != "" && Program.key_ope !=null )
            {
                tbepreuveBindingSource.MoveFirst();
                DataRowView myRow = tbepreuveBindingSource.Current as DataRowView;
                if ( myRow != null )
                    while (myRow.Row["key_epr"].ToString() != Program.key_ope)
                    {
                        int i = tbepreuveBindingSource.Position;
                        tbepreuveBindingSource.MoveNext();
                        myRow = tbepreuveBindingSource.Current as DataRowView;
                        if (i == tbepreuveBindingSource.Position)
                            break;
                    }
            }
            this.tbepreuveBindingSource.CurrentChanged += new System.EventHandler(this.tbepreuveBindingSource_CurrentItemChanged);
            this.tbepreuveBindingSource.CurrentItemChanged += new System.EventHandler(this.tbepreuveBindingSource_CurrentItemChanged);
            

        }
        #region affichage

        private void turn_txt(bool act)
        {
            text_nom_epr.Enabled = act;
            dt_deb_epr.Enabled = act;
            dt_fin_epr.Enabled = act;
            text_abrev_epr.Enabled = act;
        }

        private void turn_bt(bool act)
        {
            Bt_Abort.Enabled = act;
            bt_Valid.Enabled = act;
            bt_Mod.Enabled = !act;
            bt_Aj.Enabled = !act;
            bt_Sup.Enabled = !act;
        }

        #endregion

        #region Boutons

        private void bt_Mod_Click(object sender, EventArgs e)
        {
            turn_txt(true);
            turn_bt(true);

        }

        private void bt_Aj_Click(object sender, EventArgs e)
        {
            turn_txt(true);
            turn_bt(true);
            string key = findNewkey();
            key_new = key;
            tb_epr.Addtb_epreuveRow(key, "", DateTime.Now, DateTime.Now, "");
            tbepreuveBindingSource.MoveFirst();
            DataRowView myRow = tbepreuveBindingSource.Current as DataRowView;
            while (myRow.Row["key_epr"].ToString() != key)
            {
                tbepreuveBindingSource.MoveNext();
                myRow = tbepreuveBindingSource.Current as DataRowView;
            }
            //DirectoryInfo di = new DirectoryInfo(Program.folder);
            //di.CreateSubdirectory(key);
            Program.subfolder = Program.folder + @"\" + key;
            //File.Copy(Program.folder + @"\param\facture_carbu.xlsx", Program.subfolder + @"\facture_carbu.xlsx");


        }

        private void bt_Sup_Click(object sender, EventArgs e)
        {
            DataRowView myRow = tbepreuveBindingSource.Current as DataRowView;
            if (myRow == null) return;
            string msg = string.Format("Opération {0}\nEtes-vous certain de vouloir supprimer \n{1}\n\rUne archive de sauvegarde sera créée.", myRow.Row["abrev_epr"].ToString(), myRow.Row["nom_epr"].ToString());
            string caption = "Suppression définitive";
            if (MessageBox.Show(msg, caption, MessageBoxButtons.YesNo, MessageBoxIcon.Question) == System.Windows.Forms.DialogResult.Yes)
            {
                string key = myRow.Row["key_epr"].ToString();
                DataSet1.tb_epreuveRow eprRow = tb_epr.FindBykey_epr(key);
                if (eprRow != null)
                {
                    string path_epr= Program.folder + @"\" + key;
                    string filename = Program.folder + @"\traces_archivage_" + key+".txt";
                    StreamWriter writer = File.CreateText(filename);
                    writer.Write("Suppression de l'opération " + eprRow.nom_epr + "\r\n");
                    var zip = new ZipFile(Program.folder + @"\"+ key+"_"+DateTime.Now.ToString("yy_MM_dd_hh_mm_ss") + ".zip", writer);
                    zip.AddDirectory(path_epr, key);
                    zip.AddFile(Program.folder + @"\epreuve.json","");
                    zip.Save();
                    writer.Close();
                    f_result res = new f_result(filename, zip.Name);
                    res.ShowDialog();
                    Directory.Delete(path_epr,true);
                    tb_epr.Removetb_epreuveRow(eprRow);
                }

                hasChanged = true;
            }
        }

        private void bt_Valid_Click(object sender, EventArgs e)
        {
            tb_epr.AcceptChanges();
            turn_txt(false);
            turn_bt(false);
            hasChanged = true;

            if (key_new != "") // Mode création
            {
                DirectoryInfo di = new DirectoryInfo(Program.folder);
                di.CreateSubdirectory(key_new);
                Program.subfolder = Program.folder + @"\" + key_new;
                File.Copy(Program.folder + @"\param\facture_carbu.xlsx", Program.subfolder + @"\facture_carbu.xlsx");
                key_new = "";
            }
        }

        private void Bt_Abort_Click(object sender, EventArgs e)
        {
            tb_epr.RejectChanges();
            turn_txt(false);
            turn_bt(false);
            key_new = "";
        }
        #endregion

        #region fonctions

        private string findNewkey()
        {
            Random rand1 = new Random();
            string key = rand1.Next(99999).ToString();
            while (tb_epr.FindBykey_epr(key) != null)
            {
                MessageBox.Show(key);
                key = rand1.Next(99999).ToString();
            }
            return key;
        }

        #endregion

        private void f_epreuve_FormClosing(object sender, FormClosingEventArgs e)
        {
            DataSet1.tb_epreuveRow mydata = null;
            DataRowView myrow = tbepreuveBindingSource.Current as DataRowView;
            if (myrow != null)
            {
                mydata = myrow.Row as DataSet1.tb_epreuveRow;
                Program.nom_ope = mydata.nom_epr;
                Program.key_ope = mydata.key_epr;
                Program.abrev_ope = mydata.abrev_epr;
            }

            if (hasChanged) saveData();
            DataTable tb_epr_change = tb_epr.GetChanges();
            while (tb_epr_change != null)
            {
                if (MessageBox.Show("Voulez-vous Valider Oui ou Non les modifications apportées ?", "Modifications en cours!!!", MessageBoxButtons.YesNoCancel,  MessageBoxIcon.Exclamation) == DialogResult.Yes)
                {
                    tb_epr.AcceptChanges();
                    saveData();
                    tb_epr_change = tb_epr.GetChanges();
                }
                else
                {
                    tb_epr.RejectChanges();
                    tb_epr_change = tb_epr.GetChanges();
                }
                e.Cancel = (tb_epr_change != null);
            }
        }

        private void saveData()
        {
            DbUtil.SaveToJson<DataSet1.tb_epreuveDataTable>(Program.folder + @"\epreuve.json", tb_epr);
        }


        private void tbepreuveBindingSource_CurrentItemChanged(object sender, EventArgs e)
        {
            DataRowView myRow = tbepreuveBindingSource.Current as DataRowView;
            if (myRow == null) return;
            Program.key_ope = myRow.Row["key_epr"].ToString();
            Program.nom_ope = myRow.Row["nom_epr"].ToString();
            Program.abrev_ope = myRow.Row["abrev_epr"].ToString();
            StatusLabel1.Text = Program.key_ope + "-" + Program.abrev_ope + "-" + Program.nom_ope;
        }

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

        private void f_epreuve_FormClosed(object sender, FormClosedEventArgs e)
        {
            tb_epr.Dispose();
            this.Dispose();
        }
    }
}