// Copyright (c) 2004-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as published by
// the Free Software Foundation
//
// There are special exceptions to the terms and conditions of the GPL 
// as it is applied to this software. View the full text of the 
// exception in file EXCEPTIONS in the directory of this software 
// distribution.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 

using System;
using System.Data;
using System.IO;
using System.Globalization;
using System.Threading;
using NUnit.Framework;

namespace MySql.Data.MySqlClient.Tests
{
    [TestFixture]
    public class LanguageTests : BaseTest
    {
        [Test]
        public void Unicode()
        {
            if (Version < new Version(4, 1)) return;

            execSQL("CREATE TABLE Test (u2 varchar(255) CHARACTER SET ucs2)");

            using (MySqlConnection c = new MySqlConnection(conn.ConnectionString + ";charset=utf8"))
            {
                c.Open();

                MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES ( CONVERT('困巫忘否役' using ucs2))", c);
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT * FROM Test";
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    string s1 = reader.GetString(0);
                    Assert.AreEqual("困巫忘否役", s1);
                }
            }
        }

        /// <summary>
        /// Bug #13806  	Does not support Code Page 932
        /// </summary>
        [Test]
        public void CP932()
        {
            using (MySqlConnection c = new MySqlConnection(GetConnectionString(true) + ";charset=cp932"))
            {
                c.Open();

                MySqlCommand cmd = new MySqlCommand("SELECT '涯割晦叶角'", c);
                string s = (string)cmd.ExecuteScalar();
                Assert.AreEqual("涯割晦叶角", s);
            }
        }

        [Test]
        public void UTF8()
        {
            if (Version < new Version(4, 1)) return;

            execSQL("CREATE TABLE Test (id int, name VARCHAR(200) CHAR SET utf8)");

            using (MySqlConnection c = new MySqlConnection(conn.ConnectionString + ";charset=utf8"))
            {
                c.Open();

                MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES(1, 'ЁЄЉҖҚ')", c); //russian
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(2, '兣冘凥凷冋')";	// simplified Chinese
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(3, '困巫忘否役')";	// traditional Chinese
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(4, '涯割晦叶角')";	// Japanese
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(5, 'ברחפע')";		// Hebrew
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(6, 'ψόβΩΞ')";		// Greek
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(7, 'þðüçöÝÞÐÜÇÖ')";	// Turkish
                cmd.ExecuteNonQuery();

                cmd.CommandText = "INSERT INTO Test VALUES(8, 'ฅๆษ')";			// Thai
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT * FROM Test";
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    Assert.AreEqual("ЁЄЉҖҚ", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("兣冘凥凷冋", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("困巫忘否役", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("涯割晦叶角", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("ברחפע", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("ψόβΩΞ", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("þðüçöÝÞÐÜÇÖ", reader.GetString(1));
                    reader.Read();
                    Assert.AreEqual("ฅๆษ", reader.GetString(1));
                }
            }
        }

        [Test]
        public void UTF8PreparedAndUsingParameters()
        {
            if (Version < new Version(4, 1)) return;

            execSQL("CREATE TABLE Test (name VARCHAR(200) CHAR SET utf8)");

            using (MySqlConnection c = new MySqlConnection(conn.ConnectionString + ";charset=utf8"))
            {
                c.Open();

                MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES(?val)", c);
                cmd.Parameters.Add("?val", MySqlDbType.VarChar);
                cmd.Prepare();

                cmd.Parameters[0].Value = "ЁЄЉҖҚ";			// Russian
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "兣冘凥凷冋";		// simplified Chinese
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "困巫忘否役";		// traditional Chinese
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "涯割晦叶角";		// Japanese
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "ברחפע";			// Hebrew
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "ψόβΩΞ";			// Greek
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "þðüçöÝÞÐÜÇÖ";	// Turkish
                cmd.ExecuteNonQuery();

                cmd.Parameters[0].Value = "ฅๆษ";				// Thai
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT * FROM Test";
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    Assert.AreEqual("ЁЄЉҖҚ", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("兣冘凥凷冋", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("困巫忘否役", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("涯割晦叶角", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("ברחפע", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("ψόβΩΞ", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("þðüçöÝÞÐÜÇÖ", reader.GetString(0));
                    reader.Read();
                    Assert.AreEqual("ฅๆษ", reader.GetString(0));
                }
            }
        }

        [Test]
        public void Chinese()
        {
            if (Version < new Version(4, 1)) return;

            using (MySqlConnection c = new MySqlConnection(conn.ConnectionString + ";charset=utf8"))
            {
                c.Open();

                execSQL("CREATE TABLE Test (id int, name VARCHAR(200) CHAR SET big5, name2 VARCHAR(200) CHAR SET gb2312)");

                MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES(1, '困巫忘否役', '涝搞谷侪魍' )", c);
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT * FROM Test";
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    Assert.AreEqual("困巫忘否役", reader.GetString(1));
                    Assert.AreEqual("涝搞谷侪魍", reader.GetString(2));
                }
            }
        }

        [Test]
        public void Turkish()
        {
            if (Version < new Version(4, 1)) return;

            execSQL("CREATE TABLE Test (id int, name VARCHAR(200) CHAR SET latin5 )");

            using (MySqlConnection c = new MySqlConnection(conn.ConnectionString + ";charset=utf8"))
            {
                c.Open();


                MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES(1, 'ĞËÇÄŞ')", c);
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT * FROM Test";
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    Assert.AreEqual("ĞËÇÄŞ", reader.GetString(1));
                }
            }
        }

        [Test]
        public void Russian()
        {
            if (Version < new Version(4, 1)) return;

            execSQL("CREATE TABLE Test (id int, name VARCHAR(200) CHAR SET cp1251)");

            using (MySqlConnection c = new MySqlConnection(conn.ConnectionString + ";charset=utf8"))
            {
                c.Open();

                MySqlCommand cmd = new MySqlCommand("INSERT INTO Test VALUES(1, 'щьеи')", c);
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT * FROM Test";
                using (MySqlDataReader reader = cmd.ExecuteReader())
                {
                    reader.Read();
                    Assert.AreEqual("щьеи", reader.GetString(1));
                }
            }
        }

        [Test]
        public void VariousCollations()
        {
            if (Version < new Version(4, 1)) return;

            createTable(@"CREATE TABLE `test_tbl`(`test` VARCHAR(255) NOT NULL) 
                            CHARACTER SET utf8 COLLATE utf8_swedish_ci", "MYISAM");
            execSQL("INSERT INTO test_tbl VALUES ('myval')");
            MySqlCommand cmd = new MySqlCommand("SELECT test FROM test_tbl", conn);
            cmd.ExecuteScalar();
        }

        /// <summary>
        /// Bug #25651 SELECT does not work properly when WHERE contains UTF-8 characters 
        /// </summary>
        [Test]
        public void UTF8Parameters()
        {
            execSQL("CREATE TABLE test (id int(11) NOT NULL, " +
                "value varchar(100) NOT NULL, PRIMARY KEY (id)) " +
                "ENGINE=MyISAM DEFAULT CHARSET=utf8");

            string conString = GetConnectionString(true) + ";charset=utf8";
            using (MySqlConnection con = new MySqlConnection(conString))
            {
                con.Open();

                MySqlCommand cmd = new MySqlCommand("INSERT INTO test VALUES (1, 'šđč枊ĐČĆŽ')", con);
                cmd.ExecuteNonQuery();

                cmd.CommandText = "SELECT id FROM test WHERE value =  ?parameter";
                cmd.Parameters.Add("?parameter", MySqlDbType.VarString);
                cmd.Parameters[0].Value = "šđč枊ĐČĆŽ";
                object o = cmd.ExecuteScalar();
                Assert.AreEqual(1, o);
            }
        }
    }
}