/* -*- 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 <connectivity/formattedcolumnvalue.hxx>
#include <connectivity/dbtools.hxx>
#include <connectivity/dbconversion.hxx>

#include <com/sun/star/util/NumberFormatter.hpp>
#include <com/sun/star/util/Date.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <com/sun/star/util/XNumberFormatTypes.hpp>
#include <com/sun/star/util/NumberFormat.hpp>
#include <com/sun/star/sdbc/DataType.hpp>
#include <com/sun/star/sdb/XColumn.hpp>
#include <com/sun/star/sdb/XColumnUpdate.hpp>

#include <tools/diagnose_ex.h>
#include <i18nlangtag/mslangid.hxx>
#include <i18nlangtag/languagetag.hxx>
#include <comphelper/numbers.hxx>
#include <unotools/sharedunocomponent.hxx>


namespace dbtools
{


    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::UNO_QUERY;
    using ::com::sun::star::uno::UNO_QUERY_THROW;
    using ::com::sun::star::uno::UNO_SET_THROW;
    using ::com::sun::star::uno::Exception;
    using ::com::sun::star::uno::XComponentContext;
    using ::com::sun::star::sdbc::XRowSet;
    using ::com::sun::star::beans::XPropertySet;
    using ::com::sun::star::util::NumberFormatter;
    using ::com::sun::star::util::XNumberFormatter;
    using ::com::sun::star::util::Date;
    using ::com::sun::star::sdbc::XConnection;
    using ::com::sun::star::util::XNumberFormatsSupplier;
    using ::com::sun::star::beans::XPropertySetInfo;
    using ::com::sun::star::lang::Locale;
    using ::com::sun::star::util::XNumberFormatTypes;
    using ::com::sun::star::sdb::XColumn;
    using ::com::sun::star::sdb::XColumnUpdate;

    namespace DataType = ::com::sun::star::sdbc::DataType;
    namespace NumberFormat = ::com::sun::star::util::NumberFormat;

    struct FormattedColumnValue_Data
    {
        Reference< XNumberFormatter >   m_xFormatter;
        Date                            m_aNullDate;
        sal_Int32                       m_nFormatKey;
        sal_Int32                       m_nFieldType;
        sal_Int16                       m_nKeyType;
        bool                            m_bNumericField;

        Reference< XColumn >            m_xColumn;
        Reference< XColumnUpdate >      m_xColumnUpdate;

        FormattedColumnValue_Data()
            :m_xFormatter()
            ,m_aNullDate( DBTypeConversion::getStandardDate() )
            ,m_nFormatKey( 0 )
            ,m_nFieldType( DataType::OTHER )
            ,m_nKeyType( NumberFormat::UNDEFINED )
            ,m_bNumericField( false )
            ,m_xColumn()
            ,m_xColumnUpdate()
        {
        }
    };


    namespace
    {

        void lcl_clear_nothrow( FormattedColumnValue_Data& _rData )
        {
            _rData.m_xFormatter.clear();
            _rData.m_nFormatKey = 0;
            _rData.m_nFieldType = DataType::OTHER;
            _rData.m_nKeyType = NumberFormat::UNDEFINED;
            _rData.m_bNumericField = false;

            _rData.m_xColumn.clear();
            _rData.m_xColumnUpdate.clear();
        }


        void lcl_initColumnDataValue_nothrow( FormattedColumnValue_Data& _rData,
            const Reference< XNumberFormatter >& i_rNumberFormatter, const Reference< XPropertySet >& _rxColumn )
        {
            lcl_clear_nothrow( _rData );

            OSL_PRECOND( i_rNumberFormatter.is(), "lcl_initColumnDataValue_nothrow: no number formats -> no formatted values!" );
            if ( !i_rNumberFormatter.is() )
                return;

            try
            {
                Reference< XNumberFormatsSupplier > xNumberFormatsSupp( i_rNumberFormatter->getNumberFormatsSupplier(), UNO_SET_THROW );

                // remember the column
                _rData.m_xColumn.set( _rxColumn, UNO_QUERY_THROW );
                _rData.m_xColumnUpdate.set( _rxColumn, UNO_QUERY );

                // determine the field type, and whether it's a numeric field
                OSL_VERIFY( _rxColumn->getPropertyValue("Type") >>= _rData.m_nFieldType );

                switch ( _rData.m_nFieldType )
                {
                    case DataType::DATE:
                    case DataType::TIME:
                    case DataType::TIMESTAMP:
                    case DataType::BIT:
                    case DataType::BOOLEAN:
                    case DataType::TINYINT:
                    case DataType::SMALLINT:
                    case DataType::INTEGER:
                    case DataType::REAL:
                    case DataType::BIGINT:
                    case DataType::DOUBLE:
                    case DataType::NUMERIC:
                    case DataType::DECIMAL:
                        _rData.m_bNumericField = true;
                        break;
                    default:
                        _rData.m_bNumericField = false;
                        break;
                }

                // get the format key of our bound field
                Reference< XPropertySetInfo > xPSI( _rxColumn->getPropertySetInfo(), UNO_SET_THROW );
                bool bHaveFieldFormat = false;
                const OUString sFormatKeyProperty( "FormatKey" );
                if ( xPSI->hasPropertyByName( sFormatKeyProperty ) )
                {
                    bHaveFieldFormat = ( _rxColumn->getPropertyValue( sFormatKeyProperty ) >>= _rData.m_nFormatKey );
                }
                if ( !bHaveFieldFormat )
                {
                    // fall back to a format key as indicated by the field type
                    Locale aSystemLocale( LanguageTag( MsLangId::getSystemLanguage() ).getLocale() );
                    Reference< XNumberFormatTypes > xNumTypes( xNumberFormatsSupp->getNumberFormats(), UNO_QUERY_THROW );
                    _rData.m_nFormatKey = getDefaultNumberFormat( _rxColumn, xNumTypes, aSystemLocale );
                }

                // some more formatter settings
                _rData.m_nKeyType  = ::comphelper::getNumberFormatType( xNumberFormatsSupp->getNumberFormats(), _rData.m_nFormatKey );
                Reference< XPropertySet > xFormatSettings( xNumberFormatsSupp->getNumberFormatSettings(), UNO_SET_THROW );
                OSL_VERIFY( xFormatSettings->getPropertyValue("NullDate") >>= _rData.m_aNullDate );

                // remember the formatter
                _rData.m_xFormatter = i_rNumberFormatter;
            }
            catch( const Exception& )
            {
                DBG_UNHANDLED_EXCEPTION("connectivity.commontools");
            }
        }


        void lcl_initColumnDataValue_nothrow( const Reference<XComponentContext>& i_rContext, FormattedColumnValue_Data& i_rData,
            const Reference< XRowSet >& i_rRowSet, const Reference< XPropertySet >& i_rColumn )
        {
            OSL_PRECOND( i_rRowSet.is(), "lcl_initColumnDataValue_nothrow: no row set!" );
            if ( !i_rRowSet.is() )
                return;

            Reference< XNumberFormatter > xNumberFormatter;
            try
            {
                // get the number formats supplier of the connection of the form
                Reference< XConnection > xConnection( getConnection( i_rRowSet ), UNO_SET_THROW );
                Reference< XNumberFormatsSupplier > xSupplier( getNumberFormats( xConnection, true, i_rContext ), UNO_SET_THROW );

                // create a number formatter for it
                xNumberFormatter.set( NumberFormatter::create( i_rContext ), UNO_QUERY_THROW );
                xNumberFormatter->attachNumberFormatsSupplier( xSupplier );
            }
            catch( const Exception& )
            {
                DBG_UNHANDLED_EXCEPTION("connectivity.commontools");
            }

            lcl_initColumnDataValue_nothrow( i_rData, xNumberFormatter, i_rColumn );
        }
    }

    FormattedColumnValue::FormattedColumnValue( const Reference< XComponentContext >& _rxContext,
            const Reference< XRowSet >& _rxRowSet, const Reference< XPropertySet >& i_rColumn )
        :m_pData( new FormattedColumnValue_Data )
    {
        lcl_initColumnDataValue_nothrow( _rxContext, *m_pData, _rxRowSet, i_rColumn );
    }


    FormattedColumnValue::FormattedColumnValue( const Reference< XNumberFormatter >& i_rNumberFormatter,
            const Reference< XPropertySet >& _rxColumn )
        :m_pData( new FormattedColumnValue_Data )
    {
        lcl_initColumnDataValue_nothrow( *m_pData, i_rNumberFormatter, _rxColumn );
    }


    FormattedColumnValue::~FormattedColumnValue()
    {
        lcl_clear_nothrow( *m_pData );
    }

    sal_Int16 FormattedColumnValue::getKeyType() const
    {
        return m_pData->m_nKeyType;
    }


    const Reference< XColumn >& FormattedColumnValue::getColumn() const
    {
        return m_pData->m_xColumn;
    }

    bool FormattedColumnValue::setFormattedValue( const OUString& _rFormattedStringValue ) const
    {
        OSL_PRECOND( m_pData->m_xColumnUpdate.is(), "FormattedColumnValue::setFormattedValue: no column!" );
        if ( !m_pData->m_xColumnUpdate.is() )
            return false;

        try
        {
            if ( m_pData->m_bNumericField )
            {
                ::dbtools::DBTypeConversion::setValue( m_pData->m_xColumnUpdate, m_pData->m_xFormatter, m_pData->m_aNullDate,
                    _rFormattedStringValue, m_pData->m_nFormatKey, ::sal::static_int_cast< sal_Int16 >( m_pData->m_nFieldType ),
                    m_pData->m_nKeyType );
            }
            else
            {
                m_pData->m_xColumnUpdate->updateString( _rFormattedStringValue );
            }
        }
        catch( const Exception& )
        {
            return false;
        }
        return true;
    }


    OUString FormattedColumnValue::getFormattedValue() const
    {
        OSL_PRECOND( m_pData->m_xColumn.is(), "FormattedColumnValue::setFormattedValue: no column!" );

        OUString sStringValue;
        if ( m_pData->m_xColumn.is() )
        {
            if ( m_pData->m_bNumericField )
            {
                sStringValue = DBTypeConversion::getFormattedValue(
                    m_pData->m_xColumn, m_pData->m_xFormatter, m_pData->m_aNullDate, m_pData->m_nFormatKey, m_pData->m_nKeyType
                );
            }
            else
            {
                sStringValue = m_pData->m_xColumn->getString();
            }
        }
        return sStringValue;
    }


} // namespace dbtools


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