using ICSharpCode.SharpZipLib.Zip;
using System;
using System.Collections.Generic;
using System.IO;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using DataAccessLayer;
using System.Data;
using System.Data.Common;

namespace GestoreTrimestrale.Test
{
    public static class Utils
    {

        public static void Decompress(FileInfo fi, string workDir)
        {
            using (FileStream inFile = fi.OpenRead())
            {
                using (ZipInputStream s = new ZipInputStream(inFile))
                {
                    ZipEntry theEntry;
                    while ((theEntry = s.GetNextEntry()) != null)
                    {
                        string directoryName = workDir;
                        string fileName = Path.GetFileName(theEntry.Name);

                        // create directory
                        if (directoryName.Length > 0)
                        {
                            Directory.CreateDirectory(directoryName);
                        }

                        if (fileName != String.Empty)
                        {
                            using (FileStream streamWriter = File.Create(directoryName + theEntry.Name))
                            {

                                int size = 2048;
                                byte[] data = new byte[2048];
                                while (true)
                                {
                                    size = s.Read(data, 0, data.Length);
                                    if (size > 0)
                                    {
                                        streamWriter.Write(data, 0, size);
                                    }
                                    else
                                    {
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }

        public static void DeleteFiles(string folder)
        {
            DirectoryInfo di = new DirectoryInfo(folder);
            FileInfo[] files = di.GetFiles();
            foreach (FileInfo f in files)
                f.Delete();
        }

        public static int CountFiles(string folder, string extension)
        {
            DirectoryInfo di = new DirectoryInfo(folder);
            FileInfo[] files = di.GetFiles("*." + extension);
            return files.Length;
        }

        public static int CountSubFolders(string folder)
        {
            DirectoryInfo di = new DirectoryInfo(folder);
            DirectoryInfo[] sdis = di.GetDirectories();
            return sdis.Length;
        }

        public static SmartZip.Logic.ZipConfiguration CreateZipConfiguration()
        {
            SmartZip.Logic.ZipConfiguration conf = new SmartZip.Logic.ZipConfiguration();
            return conf;
        }

        public static int LinesInFile(string folder, string file)
        {
            int ctr = 0;
            FileInfo fi = new FileInfo(folder + @"\" + file);
            TextReader tx = fi.OpenText();
            string line;
            while ((line = tx.ReadLine()) != null)
            {
                ctr++;
            }
            return ctr;
        }

        public static bool ProduceTestSamples(string[,] ids)
        {
            bool res = false;
            DataAccessDE dataAccess = null;
            try
            {
                DbParameter[] p;
                using (dataAccess = new DataAccessDE(DBProvider.SqlServerStampeC6))
                {
                    string param = string.Empty;
                    for (int i = 0; i < ids.GetLength(0); i++)
                    {
                        p = new DbParameter[2];
                        p[0] = new SqlParameter();
                        p[0].Value = ids[i,0];
                        p[0].ParameterName = "CODE_FISCALE";
                        p[1] = new SqlParameter();
                        p[1].Value = ids[i, 1];
                        p[1].ParameterName = "RETE";
                        dataAccess.ExecuteNonQuery(CommandType.StoredProcedure, "test.[GESTIONE_PDF_PREPARE_TEST_SAMPLE]", p);
                    }
                }
                res = true;
            }
            catch (Exception ex)
            {
                string z = ex.Message;
                res = false;
            }
            finally
            {
                if (dataAccess != null) dataAccess.Dispose();
            }
            return res;
        }
    }
}