/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: dsmeta.cxx,v $
 * $Revision: 1.8.8.2 $
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
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#include "dsmeta.hxx"
#include <connectivity/DriversConfig.hxx>
#include "dsntypes.hxx"
#include <comphelper/processfactory.hxx>
/** === begin UNO includes === **/
/** === end UNO includes === **/

#include <map>

//........................................................................
namespace dbaui
{
//........................................................................

    /** === begin UNO using === **/
    using namespace dbaccess;
    using namespace ::com::sun::star;
    /** === end UNO using === **/

    struct InitAdvanced : public AdvancedSettingsSupport
    {
        enum Special { All, AllButIgnoreCurrency, None };

        InitAdvanced( Special _eType )
            :AdvancedSettingsSupport()
        {
            bGeneratedValues               = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseSQL92NamingConstraints     = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bAppendTableAliasInSelect      = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseKeywordAsBeforeAlias       = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseBracketedOuterJoinSyntax   = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bIgnoreDriverPrivileges        = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bParameterNameSubstitution     = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bDisplayVersionColumns         = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseCatalogInSelect            = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseSchemaInSelect             = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseIndexDirectionKeyword      = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bUseDOSLineEnds                = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bBooleanComparisonMode         = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bFormsCheckRequiredFields      = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
            bIgnoreCurrency                = ( _eType == All );
            bEscapeDateTime                = ( _eType == All ) || ( _eType == AllButIgnoreCurrency );
        }
    };

    struct FeatureSupport
    {
        // authentication mode of the data source
        AuthenticationMode      eAuthentication;

        FeatureSupport()
            :eAuthentication( AuthUserPwd )
        {
        }

        FeatureSupport( AuthenticationMode _Auth )
            :eAuthentication( _Auth )
        {
        }
    };

    //====================================================================
    //= global tables
    //====================================================================
    //--------------------------------------------------------------------
    static const AdvancedSettingsSupport& getAdvancedSettingsSupport( const ::rtl::OUString& _sURL )
    {
        DECLARE_STL_USTRINGACCESS_MAP( AdvancedSettingsSupport, AdvancedSupport);
        static AdvancedSupport s_aSupport;
        if ( s_aSupport.empty() )
        {
            ::connectivity::DriversConfig aDriverConfig(::comphelper::getProcessServiceFactory());
            const uno::Sequence< ::rtl::OUString > aURLs = aDriverConfig.getURLs();
            const ::rtl::OUString* pIter = aURLs.getConstArray();
            const ::rtl::OUString* pEnd = pIter + aURLs.getLength();
            for(;pIter != pEnd;++pIter)
            {
                InitAdvanced aInit(InitAdvanced::None);
                const uno::Sequence< beans::NamedValue> aProperties = aDriverConfig.getFeatures(*pIter).getNamedValues();
                const beans::NamedValue* pPropertiesIter = aProperties.getConstArray();
                const beans::NamedValue* pPropertiesEnd  = pPropertiesIter + aProperties.getLength();
                for (;pPropertiesIter != pPropertiesEnd ; ++pPropertiesIter)
                {
                    if ( pPropertiesIter->Name.equalsAscii("GeneratedValues") )
                    {
                        pPropertiesIter->Value >>= aInit.bGeneratedValues;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseSQL92NamingConstraints") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseSQL92NamingConstraints;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("AppendTableAliasInSelect") )
                    {
                        pPropertiesIter->Value >>= aInit.bAppendTableAliasInSelect;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseKeywordAsBeforeAlias") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseKeywordAsBeforeAlias;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseBracketedOuterJoinSyntax") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseBracketedOuterJoinSyntax;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("IgnoreDriverPrivileges") )
                    {
                        pPropertiesIter->Value >>= aInit.bIgnoreDriverPrivileges;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("ParameterNameSubstitution") )
                    {
                        pPropertiesIter->Value >>= aInit.bParameterNameSubstitution;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("DisplayVersionColumns") )
                    {
                        pPropertiesIter->Value >>= aInit.bDisplayVersionColumns;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseCatalogInSelect") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseCatalogInSelect;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseSchemaInSelect") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseSchemaInSelect;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseIndexDirectionKeyword") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseIndexDirectionKeyword;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("UseDOSLineEnds") )
                    {
                        pPropertiesIter->Value >>= aInit.bUseDOSLineEnds;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("BooleanComparisonMode") )
                    {
                        pPropertiesIter->Value >>= aInit.bBooleanComparisonMode;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("FormsCheckRequiredFields") )
                    {
                        pPropertiesIter->Value >>= aInit.bFormsCheckRequiredFields;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("IgnoreCurrency") )
                    {
                        pPropertiesIter->Value >>= aInit.bIgnoreCurrency;
                    }
                    else if ( pPropertiesIter->Name.equalsAscii("EscapeDateTime") )
                    {
                        pPropertiesIter->Value >>= aInit.bEscapeDateTime;
                    }
                } // for (;pPropertiesIter != pPropertiesEnd ; ++pPropertiesIter)
                s_aSupport.insert(AdvancedSupport::value_type(*pIter,aInit));
            }
        } // if ( s_aSupport.empty() )
        OSL_ENSURE(s_aSupport.find(_sURL) != s_aSupport.end(),"Illegal URL!");
        return s_aSupport[ _sURL ];
    }

    //--------------------------------------------------------------------
    static AuthenticationMode getAuthenticationMode( const ::rtl::OUString& _sURL )
    {
        DECLARE_STL_USTRINGACCESS_MAP( FeatureSupport, Supported);
        static Supported s_aSupport;
        if ( s_aSupport.empty() )
        {
            ::connectivity::DriversConfig aDriverConfig(::comphelper::getProcessServiceFactory());
            const uno::Sequence< ::rtl::OUString > aURLs = aDriverConfig.getURLs();
            const ::rtl::OUString* pIter = aURLs.getConstArray();
            const ::rtl::OUString* pEnd = pIter + aURLs.getLength();
            for(;pIter != pEnd;++pIter)
            {
                FeatureSupport aInit( AuthNone );
                const ::comphelper::NamedValueCollection& aMetaData = aDriverConfig.getMetaData(*pIter);
                if ( aMetaData.has("Authentication") )
                {
                    ::rtl::OUString sAuth;
                    aMetaData.get("Authentication") >>= sAuth;
                    if ( sAuth.equalsAscii("UserPassword") )
                        aInit = AuthUserPwd;
                    else if ( sAuth.equalsAscii("Password") )
                        aInit = AuthPwd;
                }
                s_aSupport.insert(Supported::value_type(*pIter,aInit));
            } // for(;pIter != pEnd;++pIter)
        } // if ( s_aSupport.empty() )
        OSL_ENSURE(s_aSupport.find(_sURL) != s_aSupport.end(),"Illegal URL!");
        return s_aSupport[ _sURL ].eAuthentication;
    }

    //====================================================================
    //= DataSourceMetaData_Impl
    //====================================================================
    class DataSourceMetaData_Impl
    {
    public:
        DataSourceMetaData_Impl( const ::rtl::OUString& _sURL );

        inline ::rtl::OUString getType() const { return m_sURL; }

    private:
        const ::rtl::OUString m_sURL;
    };

    //--------------------------------------------------------------------
    DataSourceMetaData_Impl::DataSourceMetaData_Impl( const ::rtl::OUString& _sURL )
        :m_sURL( _sURL )
    {
    }

    //====================================================================
    //= DataSourceMetaData
    //====================================================================
    //--------------------------------------------------------------------
    DataSourceMetaData::DataSourceMetaData( const ::rtl::OUString& _sURL )
        :m_pImpl( new DataSourceMetaData_Impl( _sURL ) )
    {
    }

    //--------------------------------------------------------------------
    DataSourceMetaData::~DataSourceMetaData()
    {
    }

    //--------------------------------------------------------------------
    const AdvancedSettingsSupport& DataSourceMetaData::getAdvancedSettingsSupport() const
    {
        return ::dbaui::getAdvancedSettingsSupport( m_pImpl->getType() );
    }

    //--------------------------------------------------------------------
    AuthenticationMode  DataSourceMetaData::getAuthentication( const ::rtl::OUString& _sURL )
    {
        return getAuthenticationMode( _sURL );
    }

//........................................................................
} // namespace dbaui
//........................................................................