/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 2009, 2013 Oracle and/or its affiliates.  All rights reserved.
 *
 */
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using System.Xml;
using NUnit.Framework;
using BerkeleyDB;

namespace CsharpAPITest
{
	[TestFixture]
	public class SecondaryRecnoDatabaseTest : CSharpTestFixture
	{

		[TestFixtureSetUp]
		public void SetUpTestFixture()
		{
			testFixtureName = "SecondaryRecnoDatabaseTest";
			base.SetUpTestfixture();
		}

		/*
		 * Tests to all Open() share the same configuration in 
		 * AllTestData.xml.
		 */
		[Test]
		public void TestOpen()
		{
			testName = "TestOpen";
			SetUpTest(true);
			string dbFileName = testHome + "/" + testName + ".db";
			string dbSecFileName = testHome + "/" +
			    testName + "_sec.db";

			OpenSecRecnoDB(testFixtureName, "TestOpen",
			    dbFileName, dbSecFileName, false);
		}

		[Test]
		public void TestOpenWithDBName()
		{
			testName = "TestOpenWithDBName";
			SetUpTest(true);
			string dbFileName = testHome + "/" + testName + ".db";
			string dbSecFileName = testHome + "/" +
			    testName + "_sec.db";

			OpenSecRecnoDB(testFixtureName, "TestOpen",
			    dbFileName, dbSecFileName, true);
		}

		public void OpenSecRecnoDB(string className,
		    string funName, string dbFileName, string dbSecFileName,
		    bool ifDBName)
		{
			XmlElement xmlElem = Configuration.TestSetUp(
			    className, funName);

			// Open a primary recno database.
			RecnoDatabaseConfig primaryDBConfig =
			    new RecnoDatabaseConfig();
			primaryDBConfig.Creation = CreatePolicy.IF_NEEDED;
			RecnoDatabase primaryDB;

			/*
			 * If secondary database name is given, the primary 
			 * database is also opened with database name.
			 */
			if (ifDBName == false)
				primaryDB = RecnoDatabase.Open(dbFileName,
				    primaryDBConfig);
			else
				primaryDB = RecnoDatabase.Open(dbFileName,
				    "primary", primaryDBConfig);

			try
			{
				// Open a new secondary database.
				SecondaryRecnoDatabaseConfig secRecnoDBConfig =
				    new SecondaryRecnoDatabaseConfig(
				    primaryDB, null);
				SecondaryRecnoDatabaseConfigTest.Config(
				    xmlElem, ref secRecnoDBConfig, false);
				secRecnoDBConfig.Creation =
				    CreatePolicy.IF_NEEDED;

				SecondaryRecnoDatabase secRecnoDB;
				if (ifDBName == false)
					secRecnoDB = SecondaryRecnoDatabase.Open(
					    dbSecFileName, secRecnoDBConfig);
				else
					secRecnoDB = SecondaryRecnoDatabase.Open(
					    dbSecFileName, "secondary",
					    secRecnoDBConfig);

				// Close the secondary database.
				secRecnoDB.Close();

				// Open the existing secondary database.
				SecondaryDatabaseConfig secDBConfig =
				    new SecondaryDatabaseConfig(
				    primaryDB, null);

				SecondaryDatabase secDB;
				if (ifDBName == false)
					secDB = SecondaryRecnoDatabase.Open(
					    dbSecFileName, secDBConfig);
				else
					secDB = SecondaryRecnoDatabase.Open(
					    dbSecFileName, "secondary", secDBConfig);

				// Close secondary database.
				secDB.Close();
			}
			catch (DatabaseException)
			{
				throw new TestException();
			}
			finally
			{
				// Close primary database.
				primaryDB.Close();
			}
		}

		[Test]
		public void TestOpenWithinTxn()
		{
			testName = "TestOpenWithinTxn";
			SetUpTest(true);
			string dbFileName = testName + ".db";
			string dbSecFileName = testName + "_sec.db";

			OpenSecRecnoDBWithinTxn(testFixtureName,
			    "TestOpen", testHome, dbFileName,
			    dbSecFileName, false);
		}

		[Test]
		public void TestOpenDBNameWithinTxn()
		{
			testName = "TestOpenDBNameWithinTxn";
			SetUpTest(true);
			string dbFileName = testName + ".db";
			string dbSecFileName = testName + "_sec.db";

			OpenSecRecnoDBWithinTxn(testFixtureName,
			    "TestOpen", testHome, dbFileName,
			    dbSecFileName, true);
		}

		public void OpenSecRecnoDBWithinTxn(string className,
		    string funName, string home, string dbFileName,
		    string dbSecFileName, bool ifDbName)
		{
			XmlElement xmlElem = Configuration.TestSetUp(
			    className, funName);

			// Open an environment.
			DatabaseEnvironmentConfig envConfig =
			    new DatabaseEnvironmentConfig();
			envConfig.Create = true;
			envConfig.UseTxns = true;
			envConfig.UseMPool = true;
			envConfig.UseLogging = true;
			DatabaseEnvironment env = DatabaseEnvironment.Open(
			    home, envConfig);

			// Open a primary recno database.
			Transaction openDBTxn = env.BeginTransaction();
			RecnoDatabaseConfig dbConfig =
			    new RecnoDatabaseConfig();
			dbConfig.Creation = CreatePolicy.IF_NEEDED;

			dbConfig.Env = env;
			RecnoDatabase db = RecnoDatabase.Open(
			    dbFileName, dbConfig, openDBTxn);
			openDBTxn.Commit();

			// Open a secondary recno database.
			Transaction openSecTxn = env.BeginTransaction();
			SecondaryRecnoDatabaseConfig secDBConfig =
			    new SecondaryRecnoDatabaseConfig(db,
			    new SecondaryKeyGenDelegate(SecondaryKeyGen));
			SecondaryRecnoDatabaseConfigTest.Config(xmlElem,
			    ref secDBConfig, false);
			secDBConfig.Env = env;
			SecondaryRecnoDatabase secDB;
			if (ifDbName == false)
				secDB = SecondaryRecnoDatabase.Open(
				    dbSecFileName, secDBConfig, openSecTxn);
			else
				secDB = SecondaryRecnoDatabase.Open(
				    dbSecFileName, "secondary", secDBConfig,
				    openSecTxn);
			openSecTxn.Commit();

			// Confirm its flags configured in secDBConfig.
			Confirm(xmlElem, secDB, true);
			secDB.Close();

			// Open the existing secondary database.
			Transaction secTxn = env.BeginTransaction();
			SecondaryDatabaseConfig secConfig =
			    new SecondaryDatabaseConfig(db,
			    new SecondaryKeyGenDelegate(SecondaryKeyGen));
			secConfig.Env = env;

			SecondaryDatabase secExDB;
			if (ifDbName == false)
				secExDB = SecondaryRecnoDatabase.Open(
				    dbSecFileName, secConfig, secTxn);
			else
				secExDB = SecondaryRecnoDatabase.Open(
				    dbSecFileName, "secondary", secConfig,
				    secTxn);
			secExDB.Close();
			secTxn.Commit();
			
			db.Close();
			env.Close();
		}

		public DatabaseEntry SecondaryKeyGen(
		    DatabaseEntry key, DatabaseEntry data)
		{
			DatabaseEntry dbtGen;
			dbtGen = new DatabaseEntry(data.Data);
			return dbtGen;
		}

		public static void Confirm(XmlElement xmlElem,
		    SecondaryRecnoDatabase secDB, bool compulsory)
		{
			Configuration.ConfirmInt(xmlElem, "Delimiter",
			    secDB.Delimiter, compulsory);
			Configuration.ConfirmUint(xmlElem, "Length",
			    secDB.Length, compulsory);
			Configuration.ConfirmInt(xmlElem, "PadByte",
			    secDB.PadByte, compulsory);
			Configuration.ConfirmBool(xmlElem,
			    "Renumber", secDB.Renumber, compulsory);
			Configuration.ConfirmBool(xmlElem, "Snapshot",
			    secDB.Snapshot, compulsory);
		}
	}
}