using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Linq;

namespace PoEco.Net.DB
{
    internal class ClassGen
    {
        public static MySqlConnection MxPoEDB()
        {
            MySqlConnection conn;
            string myConnectionString;

            myConnectionString = $"server={JSON.Settings.GetdbHost()};port={JSON.Settings.GetdbPort()};uid={JSON.Settings.GetdbUser()};pwd={JSON.Settings.GetdbPass()};database={JSON.Settings.GetdbName()};";
            conn = new MySqlConnection();
            conn.ConnectionString = myConnectionString;
            return conn;
        }

        public static void AddClass(int id, string name)
        {
            MySqlConnection con = MxPoEDB();
            string cmdText = $"INSERT INTO poeco_classes(cid, name) VALUES ('{id}','{name}')";
            MySqlCommand cmd = new MySqlCommand(cmdText, con);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }

        public static void AddBase(string querycmd)
        {
            MySqlConnection con = MxPoEDB();
            //string cmdText = $"INSERT INTO poeco_bases(bid, cid, name) VALUES ('{bid}', '{cid}', '{MySql.Data.MySqlClient.MySqlHelper.EscapeString(name)}')";
            string cmdText = querycmd;
            MySqlCommand cmd = new MySqlCommand(cmdText, con);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }

        public static void AddImplicit(string querycmd)
        {
            MySqlConnection con = MxPoEDB();
            //string cmdText = $"INSERT INTO poeco_implicit(bid, imp) VALUES ('{bid}', '{MySql.Data.MySqlClient.MySqlHelper.EscapeString(imp)}')";
            string cmdText = querycmd;
            MySqlCommand cmd = new MySqlCommand(cmdText, con);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }

        public static void DeleteClass()
        {
            MySqlConnection con = MxPoEDB();
            string cmdText = $"DELETE FROM poeco_classes";
            MySqlCommand cmd = new MySqlCommand(cmdText, con);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }

        public static void DeleteBase()
        {
            MySqlConnection con = MxPoEDB();
            string cmdText = $"DELETE FROM poeco_bases";
            MySqlCommand cmd = new MySqlCommand(cmdText, con);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }

        public static void DeleteImplicit()
        {
            MySqlConnection con = MxPoEDB();
            string cmdText = $"DELETE FROM poeco_implicit";
            MySqlCommand cmd = new MySqlCommand(cmdText, con);
            con.Open();
            cmd.ExecuteNonQuery();
            con.Close();
        }

        public static void GenClass()
        {
            DeleteClass();
            DeleteBase();
            DeleteImplicit();
            DirectoryInfo dir = new DirectoryInfo("data/lua");
            int cid = 1;
            int bid = 1;
            StringBuilder sCommandBase = new StringBuilder("INSERT INTO poeco_bases(bid, cid, name) VALUES ");
            List<string> RowsBase = new List<string>();
            StringBuilder sCommandImp = new StringBuilder("INSERT INTO poeco_implicit(bid, imp) VALUES ");
            List<string> RowsImp = new List<string>();
            foreach (var f in dir.GetFiles())
            {
                var fnp = Path.GetFileNameWithoutExtension(f.FullName);
                var fnpUp = char.ToUpper(f.Name[0]) + fnp.Substring(1);
                AddClass(cid, fnpUp);
                Utilities.Message.drawProgress(cid, dir.EnumerateFiles().Count());
                foreach (var l in File.ReadLines(@"data/lua/" + f.Name))
                {
                    int ll = l.Length;
                    
                    if (l.Contains("itemBases["))
                    {
                        RowsBase.Add($"('{bid}','{cid}','{MySql.Data.MySqlClient.MySqlHelper.EscapeString(l.Split('"', '"')[1])}')");                       
                    }
                    if (l.Contains("\timplicit = \""))
                    {
                        RowsImp.Add($"('{bid}','{MySql.Data.MySqlClient.MySqlHelper.EscapeString(l.Split('"', '"')[1])}')");
                        bid++;
                    }
                }
                cid++;
            }
            sCommandBase.Append(string.Join(",", RowsBase));
            sCommandBase.Append(";");
            AddBase(sCommandBase.ToString());
            sCommandImp.Append(string.Join(",", RowsImp));
            sCommandImp.Append(";");
            AddImplicit(sCommandImp.ToString());
            sCommandBase.Clear();
            sCommandImp.Clear();
        }
    }
}