/* -*- 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 <dptabdat.hxx>
#include <dpcache.hxx>
#include <dpfilteredcache.hxx>
#include <dptabres.hxx>

#include <osl/diagnose.h>
#include <tools/date.hxx>


using namespace ::com::sun::star;
using ::std::vector;

ScDPTableData::CalcInfo::CalcInfo() :
    pInitState( nullptr ),
    pColRoot( nullptr ),
    pRowRoot( nullptr )
{
}

ScDPTableData::ScDPTableData(const ScDocument* pDoc) :
    mpDoc(pDoc)
{
    nLastDateVal = nLastHier = nLastLevel = nLastRet = -1;      // invalid

    //TODO: reset before new calculation (in case the base date is changed)
}

ScDPTableData::~ScDPTableData()
{
}

OUString ScDPTableData::GetFormattedString(sal_Int32 nDim, const ScDPItemData& rItem, bool bLocaleIndependent) const
{
    const ScDPCache& rCache = GetCacheTable().getCache();
    return rCache.GetFormattedString(nDim, rItem, bLocaleIndependent);
}

tools::Long ScDPTableData::GetDatePart( tools::Long nDateVal, tools::Long nHierarchy, tools::Long nLevel )
{
    if ( nDateVal == nLastDateVal && nHierarchy == nLastHier && nLevel == nLastLevel )
        return nLastRet;

    Date aDate( 30,12,1899 );                   //TODO: get from source data (and cache here)
    aDate.AddDays( nDateVal);

    tools::Long nRet = 0;
    switch (nHierarchy)
    {
        case SC_DAPI_HIERARCHY_QUARTER:
            switch (nLevel)
            {
                case 0: nRet = aDate.GetYear();                 break;
                case 1: nRet = (aDate.GetMonth()-1) / 3 + 1;    break;
                case 2: nRet = aDate.GetMonth();                break;
                case 3: nRet = aDate.GetDay();                  break;
                default:
                    OSL_FAIL("GetDatePart: wrong level");
            }
            break;
        case SC_DAPI_HIERARCHY_WEEK:
            switch (nLevel)
            {
                //TODO: use settings for different definitions
                case 0: nRet = aDate.GetYear();                 break;      //!...
                case 1: nRet = aDate.GetWeekOfYear();           break;
                case 2: nRet = static_cast<tools::Long>(aDate.GetDayOfWeek());      break;
                default:
                    OSL_FAIL("GetDatePart: wrong level");
            }
            break;
        default:
            OSL_FAIL("GetDatePart: wrong hierarchy");
    }

    nLastDateVal = nDateVal;
    nLastHier    = nHierarchy;
    nLastLevel   = nLevel;
    nLastRet     = nRet;

    return nRet;
}

bool ScDPTableData::IsRepeatIfEmpty()
{
    return false;
}

sal_uInt32 ScDPTableData::GetNumberFormat(sal_Int32)
{
    return 0;           // default format
}

bool ScDPTableData::IsBaseForGroup(sal_Int32) const
{
    return false;       // always false
}

sal_Int32 ScDPTableData::GetGroupBase(sal_Int32) const
{
    return -1;          // always none
}

bool ScDPTableData::IsNumOrDateGroup(sal_Int32) const
{
    return false;       // always false
}

bool ScDPTableData::IsInGroup( const ScDPItemData&, sal_Int32,
                               const ScDPItemData&, sal_Int32 ) const
{
    OSL_FAIL("IsInGroup shouldn't be called for non-group data");
    return false;
}

bool ScDPTableData::HasCommonElement( const ScDPItemData&, sal_Int32,
                                      const ScDPItemData&, sal_Int32 ) const
{
    OSL_FAIL("HasCommonElement shouldn't be called for non-group data");
    return false;
}
void ScDPTableData::FillRowDataFromCacheTable(sal_Int32 nRow, const ScDPFilteredCache& rCacheTable,
                                        const CalcInfo& rInfo, CalcRowData& rData)
{
    // column dimensions
    GetItemData(rCacheTable, nRow, rInfo.aColLevelDims, rData.aColData);

    // row dimensions
    GetItemData(rCacheTable, nRow, rInfo.aRowLevelDims, rData.aRowData);

    // page dimensions
    GetItemData(rCacheTable, nRow, rInfo.aPageDims, rData.aPageData);

    tools::Long nCacheColumnCount = rCacheTable.getCache().GetColumnCount();
    sal_Int32 n = rInfo.aDataSrcCols.size();
    for (sal_Int32 i = 0; i < n; ++i)
    {
        tools::Long nDim = rInfo.aDataSrcCols[i];
        rData.aValues.emplace_back( );
        // #i111435# GetItemData needs dimension indexes including groups,
        // so the index must be checked here (groups aren't useful as data fields).
        if ( nDim < nCacheColumnCount )
        {
            ScDPValue& rVal = rData.aValues.back();
            rCacheTable.getValue( rVal, static_cast<SCCOL>(nDim), static_cast<SCROW>(nRow));
        }
    }
}

void ScDPTableData::ProcessRowData(CalcInfo& rInfo, const CalcRowData& rData, bool bAutoShow)
{
    if (!bAutoShow)
    {
        LateInitParams aColParams(rInfo.aColDims, rInfo.aColLevels, false);
        LateInitParams aRowParams(rInfo.aRowDims, rInfo.aRowLevels, true);
        // root always init child
        aColParams.SetInitChild(true);
        aColParams.SetInitAllChildren( false);
        aRowParams.SetInitChild(true);
        aRowParams.SetInitAllChildren( false);

        rInfo.pColRoot->LateInitFrom(aColParams, rData.aColData, 0, *rInfo.pInitState);
        rInfo.pRowRoot->LateInitFrom(aRowParams, rData.aRowData, 0, *rInfo.pInitState);
    }

    if ( ( !rInfo.pColRoot->GetChildDimension() || rInfo.pColRoot->GetChildDimension()->IsValidEntry(rData.aColData) ) &&
         ( !rInfo.pRowRoot->GetChildDimension() || rInfo.pRowRoot->GetChildDimension()->IsValidEntry(rData.aRowData) ) )
    {
        //TODO: single process method with ColMembers, RowMembers and data !!!
        if (rInfo.pColRoot->GetChildDimension())
        {
            vector<SCROW> aEmptyData;
            rInfo.pColRoot->GetChildDimension()->ProcessData(rData.aColData, nullptr, aEmptyData, rData.aValues);
        }

        rInfo.pRowRoot->ProcessData(rData.aRowData, rInfo.pColRoot->GetChildDimension(),
                                    rData.aColData, rData.aValues);
    }
}

void ScDPTableData::CalcResultsFromCacheTable(const ScDPFilteredCache& rCacheTable, CalcInfo& rInfo, bool bAutoShow)
{
    sal_Int32 nRowSize = rCacheTable.getRowSize();
    for (sal_Int32 nRow = 0; nRow < nRowSize; ++nRow)
    {
        sal_Int32 nLastRow;
        if (!rCacheTable.isRowActive(nRow, &nLastRow))
        {
            nRow = nLastRow;
            continue;
        }

        CalcRowData aData;
        FillRowDataFromCacheTable(nRow, rCacheTable, rInfo, aData);
        ProcessRowData(rInfo, aData, bAutoShow);
    }
}

void ScDPTableData::GetItemData(const ScDPFilteredCache& rCacheTable, sal_Int32 nRow,
                                const vector<sal_Int32>& rDims, vector<SCROW>& rItemData)
{
    sal_Int32 nDimSize = rDims.size();
    rItemData.reserve(rItemData.size() + nDimSize);
    for (sal_Int32 i = 0; i < nDimSize; ++i)
    {
        sal_Int32 nDim = rDims[i];

        if (getIsDataLayoutDimension(nDim))
        {
            rItemData.push_back( -1 );
            continue;
        }

        nDim = GetSourceDim( nDim );
        if ( nDim >= rCacheTable.getCache().GetColumnCount() )
           continue;

        SCROW nId= rCacheTable.getCache().GetItemDataId( static_cast<SCCOL>(nDim), static_cast<SCROW>(nRow), IsRepeatIfEmpty());
        rItemData.push_back( nId );
    }
}

sal_Int32 ScDPTableData::GetMembersCount( sal_Int32 nDim )
{
    if ( nDim > MAXCOL )
        return 0;
    return GetCacheTable().getFieldEntries( nDim ).size();
}

const ScDPItemData* ScDPTableData::GetMemberByIndex( sal_Int32 nDim, sal_Int32 nIndex )
{
    if ( nIndex >= GetMembersCount( nDim ) )
        return nullptr;

    const ::std::vector<SCROW>& nMembers = GetCacheTable().getFieldEntries( nDim );

    return GetCacheTable().getCache().GetItemDataById( static_cast<SCCOL>(nDim), static_cast<SCROW>(nMembers[nIndex]) );
}

const ScDPItemData* ScDPTableData::GetMemberById( sal_Int32 nDim, sal_Int32 nId)
{
    return GetCacheTable().getCache().GetItemDataById(nDim, static_cast<SCROW>(nId));
}

const std::vector< SCROW >& ScDPTableData::GetColumnEntries( sal_Int32 nColumn )
{
    return GetCacheTable().getFieldEntries( nColumn );
}

sal_Int32 ScDPTableData::GetSourceDim( sal_Int32 nDim )
{
    return nDim;
}

sal_Int32 ScDPTableData::Compare( sal_Int32 nDim, sal_Int32 nDataId1, sal_Int32 nDataId2)
{
    if ( getIsDataLayoutDimension(nDim) )
        return 0;

    if ( nDataId1 > nDataId2 )
        return 1;
    else if ( nDataId1 == nDataId2 )
        return 0;
    else
        return -1;
}

#if DUMP_PIVOT_TABLE
void ScDPTableData::Dump() const
{
}
#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */