/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#include <dbase/DDatabaseMetaData.hxx>

#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>

#include <com/sun/star/sdbc/ColumnSearch.hpp>

#include <com/sun/star/sdbc/DataType.hpp>

#include <com/sun/star/sdbc/ColumnValue.hpp>

#include <com/sun/star/beans/XPropertySet.hpp>

#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>

#include <com/sun/star/sdbcx/XIndexesSupplier.hpp>

#include <FDatabaseMetaDataResultSet.hxx>

#include <dbase/DIndex.hxx>

#include <connectivity/FValue.hxx>

#include <comphelper/processfactory.hxx>

#include <comphelper/types.hxx>

#include <ucbhelper/content.hxx>

using namespace ::comphelper;

using namespace connectivity::dbase;

using namespace connectivity;

using namespace ::com::sun::star::uno;

using namespace ::com::sun::star::beans;

using namespace ::com::sun::star::sdbcx;

using namespace ::com::sun::star::sdbc;

using namespace ::com::sun::star::container;

using namespace ::com::sun::star::ucb;

using namespace ::com::sun::star::lang;

ODbaseDatabaseMetaData::ODbaseDatabaseMetaData(::connectivity::file::OConnection* _pCon)    :ODatabaseMetaData(_pCon)

{

}

ODbaseDatabaseMetaData::~ODbaseDatabaseMetaData()

{

}

Reference< XResultSet > ODbaseDatabaseMetaData::impl_getTypeInfo_throw(  )

{

    rtl::Reference<::connectivity::ODatabaseMetaDataResultSet> pResult = new ::connectivity::ODatabaseMetaDataResultSet(::connectivity::ODatabaseMetaDataResultSet::eTypeInfo);

    ODatabaseMetaDataResultSet::ORows aRows;

    aRows.reserve(10);

    ODatabaseMetaDataResultSet::ORow aRow

    {

        ODatabaseMetaDataResultSet::getEmptyValue(),

        new ORowSetValueDecorator(u"VARCHAR"_ustr),

        new ORowSetValueDecorator(DataType::VARCHAR),

        new ORowSetValueDecorator(sal_Int32(254)),

        ODatabaseMetaDataResultSet::getQuoteValue(),

        ODatabaseMetaDataResultSet::getQuoteValue(),

        new ORowSetValueDecorator(u"length"_ustr),

        new ORowSetValueDecorator(sal_Int32(ColumnValue::NULLABLE)),

        ODatabaseMetaDataResultSet::get1Value(),

        new ORowSetValueDecorator(sal_Int32(ColumnSearch::FULL)),

        ODatabaseMetaDataResultSet::get1Value(),

        ODatabaseMetaDataResultSet::get0Value(),

        ODatabaseMetaDataResultSet::get0Value(),

        new ORowSetValueDecorator(u"C"_ustr),

        ODatabaseMetaDataResultSet::get0Value(),

        ODatabaseMetaDataResultSet::get0Value(),

        ODatabaseMetaDataResultSet::getEmptyValue(),

        ODatabaseMetaDataResultSet::getEmptyValue(),

        new ORowSetValueDecorator(sal_Int32(10))

    };

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"LONGVARCHAR"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::LONGVARCHAR);

    aRow[3] = new ORowSetValueDecorator(sal_Int32(2147483647));

    aRow[6] = new ORowSetValueDecorator();

    aRow[13] = new ORowSetValueDecorator(u"M"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"DATE"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::DATE);

    aRow[3] = new ORowSetValueDecorator(sal_Int32(10));

    aRow[13] = new ORowSetValueDecorator(u"D"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"BOOLEAN"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::BIT);

    aRow[3] = ODatabaseMetaDataResultSet::get1Value();

    aRow[4] = ODatabaseMetaDataResultSet::getEmptyValue();

    aRow[5] = ODatabaseMetaDataResultSet::getEmptyValue();

    aRow[6] = new ORowSetValueDecorator(OUString());

    aRow[9] = ODatabaseMetaDataResultSet::getBasicValue();

    aRow[13] = new ORowSetValueDecorator(u"L"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"DOUBLE"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::DOUBLE);

    aRow[3] = new ORowSetValueDecorator(sal_Int32(8));

    aRow[13] = new ORowSetValueDecorator(u"B"_ustr);

    aRows.push_back(aRow);

    aRow[11] = new ORowSetValueDecorator(ORowSetValue(true));

    aRow[13] = new ORowSetValueDecorator(u"Y"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"TIMESTAMP"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::TIMESTAMP);

    aRow[11] = new ORowSetValueDecorator(ORowSetValue(false));

    aRow[13] = new ORowSetValueDecorator(u"T"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"INTEGER"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::INTEGER);

    aRow[3] = new ORowSetValueDecorator(sal_Int32(10));

    aRow[13] = new ORowSetValueDecorator(u"I"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"DECIMAL"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::DECIMAL);

    aRow[3] = new ORowSetValueDecorator(sal_Int32(20));

    aRow[6] = new ORowSetValueDecorator(u"length,scale"_ustr);

    aRow[13] = new ORowSetValueDecorator(u"F"_ustr);

    aRows.push_back(aRow);

    aRow[1] = new ORowSetValueDecorator(u"NUMERIC"_ustr);

    aRow[2] = new ORowSetValueDecorator(DataType::DECIMAL);

    aRow[3] = new ORowSetValueDecorator(sal_Int32(16));

    aRow[13] = new ORowSetValueDecorator(u"N"_ustr);

    aRow[15] = new ORowSetValueDecorator(sal_Int32(16));

    aRows.push_back(std::move(aRow));

    pResult->setRows(std::move(aRows));

    return pResult;

}

Reference< XResultSet > SAL_CALL ODbaseDatabaseMetaData::getColumns(

    const Any& /*catalog*/, const OUString& /*schemaPattern*/, const OUString& tableNamePattern,

        const OUString& columnNamePattern )

{

    ::osl::MutexGuard aGuard( m_aMutex );

    Reference< XTablesSupplier > xTables = m_pConnection->createCatalog();

    if(!xTables.is())

        throw SQLException();

    Reference< XNameAccess> xNames = xTables->getTables();

    if(!xNames.is())

        throw SQLException();

    ODatabaseMetaDataResultSet::ORows aRows;

    ODatabaseMetaDataResultSet::ORow aRow(19);

    try

    {

        aRow[10] = new ORowSetValueDecorator(sal_Int32(10));

        for (auto& tabName : xNames->getElementNames())

        {

            if (match(tableNamePattern, tabName, '\0'))

            {

                Reference<XColumnsSupplier> xTable(xNames->getByName(tabName), css::uno::UNO_QUERY);

                OSL_ENSURE(xTable.is(),"Table not found! Normally an exception had to be thrown here!");

                aRow[3] = new ORowSetValueDecorator(tabName);

                Reference< XNameAccess> xColumns = xTable->getColumns();

                if(!xColumns.is())

                    throw SQLException();

                Reference< XPropertySet> xColumn;

                sal_Int32 i = 0;

                for (auto& colName : xColumns->getElementNames())

                {

                    ++i;

                    if (match(columnNamePattern, colName, '\0'))

                    {

                        aRow[4] = new ORowSetValueDecorator(colName);

                        xColumn.set(xColumns->getByName(colName), css::uno::UNO_QUERY);

                        OSL_ENSURE(xColumn.is(),"Columns contains a column who isn't a fastpropertyset!");

                        aRow[5] = new ORowSetValueDecorator(getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPE))));

                        aRow[6] = new ORowSetValueDecorator(getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_TYPENAME))));

                        aRow[7] = new ORowSetValueDecorator(getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRECISION))));

                        aRow[9] = new ORowSetValueDecorator(getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_SCALE))));

                        aRow[11] = new ORowSetValueDecorator(getINT32(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISNULLABLE))));

                        aRow[13] = new ORowSetValueDecorator(getString(xColumn->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_DEFAULTVALUE))));

                        switch(aRow[5]->getValue().getInt32())

                        {

                        case DataType::CHAR:

                        case DataType::VARCHAR:

                            aRow[16] = new ORowSetValueDecorator(sal_Int32(254));

                            break;

                        case DataType::LONGVARCHAR:

                            aRow[16] = new ORowSetValueDecorator(sal_Int32(65535));

                            break;

                        default:

                            aRow[16] = new ORowSetValueDecorator(sal_Int32(0));

                        }

                        aRow[17] = new ORowSetValueDecorator(i);

                        switch(aRow[11]->getValue().getInt32())

                        {

                        case ColumnValue::NO_NULLS:

                            aRow[18] = new ORowSetValueDecorator(u"NO"_ustr);

                            break;

                        case ColumnValue::NULLABLE:

                            aRow[18] = new ORowSetValueDecorator(u"YES"_ustr);

                            break;

                        default:

                            aRow[18] = new ORowSetValueDecorator(OUString());

                        }

                        aRows.push_back(aRow);

                    }

                }

            }

        }

    }

    catch (const WrappedTargetException& e)

    {

        SQLException aSql;

        if (e.TargetException >>= aSql)

            throw aSql;

        throw WrappedTargetRuntimeException(e.Message, e.Context, e.TargetException);

    }

    rtl::Reference<::connectivity::ODatabaseMetaDataResultSet> pResult = new ::connectivity::ODatabaseMetaDataResultSet(::connectivity::ODatabaseMetaDataResultSet::eColumns);

    pResult->setRows(std::move(aRows));

    return pResult;

}

Reference< XResultSet > SAL_CALL ODbaseDatabaseMetaData::getIndexInfo(

    const Any& /*catalog*/, const OUString& /*schema*/, const OUString& table,

        sal_Bool unique, sal_Bool /*approximate*/ )

{

    ::osl::MutexGuard aGuard( m_aMutex );

    Reference< XTablesSupplier > xTables = m_pConnection->createCatalog();

    if(!xTables.is())

                throw SQLException();

    Reference< XNameAccess> xNames = xTables->getTables();

    if(!xNames.is())

                throw SQLException();

    ODatabaseMetaDataResultSet::ORows aRows;

    ODatabaseMetaDataResultSet::ORow aRow(14);

    aRow[5]     = new ORowSetValueDecorator(OUString());

    aRow[10]    = new ORowSetValueDecorator(u"A"_ustr);

    Reference< XIndexesSupplier> xTable(

        xNames->getByName(table), css::uno::UNO_QUERY);

    aRow[3] = new ORowSetValueDecorator(table);

    aRow[7] = new ORowSetValueDecorator(sal_Int32(3));

    Reference< XNameAccess> xIndexes = xTable->getIndexes();

    if(!xIndexes.is())

        throw SQLException();

    Reference< XPropertySet> xIndex;

    for (auto& idxName : xIndexes->getElementNames())

    {

        xIndex.set(xIndexes->getByName(idxName), css::uno::UNO_QUERY);

        OSL_ENSURE(xIndex.is(),"Indexes contains a column who isn't a fastpropertyset!");

        if(unique && !getBOOL(xIndex->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISUNIQUE))))

            continue;

        aRow[4] = new ORowSetValueDecorator(ORowSetValue(getBOOL(xIndex->getPropertyValue(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_ISUNIQUE)))));

        aRow[6] = new ORowSetValueDecorator(idxName);

        auto pIndex = dynamic_cast<ODbaseIndex*>(xIndex.get());

        if(pIndex)

        {

            aRow[11] = new ORowSetValueDecorator(static_cast<sal_Int32>(pIndex->getHeader().db_maxkeys));

            aRow[12] = new ORowSetValueDecorator(static_cast<sal_Int32>(pIndex->getHeader().db_pagecount));

        }

        Reference<XColumnsSupplier> xColumnsSup(xIndex,UNO_QUERY);

        Reference< XNameAccess> xColumns = xColumnsSup->getColumns();

        sal_Int32 j = 0;

        for (auto& colName : xColumns->getElementNames())

        {

            aRow[8] = new ORowSetValueDecorator(++j);

            aRow[9] = new ORowSetValueDecorator(colName);

            aRows.push_back(aRow);

        }

    }

    rtl::Reference<::connectivity::ODatabaseMetaDataResultSet> pResult = new ::connectivity::ODatabaseMetaDataResultSet(::connectivity::ODatabaseMetaDataResultSet::eIndexInfo);

    pResult->setRows(std::move(aRows));

    return pResult;

}

OUString SAL_CALL ODbaseDatabaseMetaData::getURL(  )

{

    ::osl::MutexGuard aGuard( m_aMutex );

    return "sdbc:dbase:" + m_pConnection->getURL();

}

sal_Int32 SAL_CALL ODbaseDatabaseMetaData::getMaxBinaryLiteralLength(  )

{

    return SAL_MAX_INT32;

}

sal_Int32 SAL_CALL ODbaseDatabaseMetaData::getMaxCharLiteralLength(  )

{

    return 254;

}

sal_Int32 SAL_CALL ODbaseDatabaseMetaData::getMaxColumnNameLength(  )

{

    return 10;

}

sal_Int32 SAL_CALL ODbaseDatabaseMetaData::getMaxColumnsInIndex(  )

{

    return 1;

}

sal_Int32 SAL_CALL ODbaseDatabaseMetaData::getMaxColumnsInTable(  )

{

    return 128;

}

sal_Bool SAL_CALL ODbaseDatabaseMetaData::supportsAlterTableWithAddColumn(  )

{

    return true;

}

sal_Bool SAL_CALL ODbaseDatabaseMetaData::supportsAlterTableWithDropColumn(  )

{

    return false;

}

sal_Bool SAL_CALL ODbaseDatabaseMetaData::isReadOnly(  )

{

    ::osl::MutexGuard aGuard( m_aMutex );

    bool bReadOnly = false;

    ::ucbhelper::Content aFile(m_pConnection->getContent(),Reference< XCommandEnvironment >(), comphelper::getProcessComponentContext());

    aFile.getPropertyValue(u"IsReadOnly"_ustr) >>= bReadOnly;

    return bReadOnly;

}

bool ODbaseDatabaseMetaData::impl_storesMixedCaseQuotedIdentifiers_throw(  )

{

    return true;

}

bool ODbaseDatabaseMetaData::impl_supportsMixedCaseQuotedIdentifiers_throw(  )

{

    return true;

}

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