/* -*- 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 "Qt5Instance.hxx"
#include "Qt5Printer.hxx"

#include <vcl/svapp.hxx>
#include <vcl/timer.hxx>
#include <printerinfomanager.hxx>

#include <jobset.h>
#include <print.h>
#include <salptype.hxx>
#include <saldatabasic.hxx>

#include <unx/genpspgraphics.h>

using namespace psp;

/*
 *  static helpers
 */

static OUString getPdfDir(const PrinterInfo& rInfo)
{
    OUString aDir;
    sal_Int32 nIndex = 0;
    while (nIndex != -1)
    {
        OUString aToken(rInfo.m_aFeatures.getToken(0, ',', nIndex));
        if (aToken.startsWith("pdf="))
        {
            sal_Int32 nPos = 0;
            aDir = aToken.getToken(1, '=', nPos);
            if (aDir.isEmpty())
                aDir = OStringToOUString(OString(getenv("HOME")), osl_getThreadTextEncoding());
            break;
        }
    }
    return aDir;
}

inline int PtTo10Mu(int nPoints) { return (int)((((double)nPoints) * 35.27777778) + 0.5); }

static void copyJobDataToJobSetup(ImplJobSetup* pJobSetup, JobData& rData)
{
    pJobSetup->SetOrientation(rData.m_eOrientation == orientation::Landscape
                                  ? Orientation::Landscape
                                  : Orientation::Portrait);

    // copy page size
    OUString aPaper;
    int width, height;

    rData.m_aContext.getPageSize(aPaper, width, height);
    pJobSetup->SetPaperFormat(
        PaperInfo::fromPSName(OUStringToOString(aPaper, RTL_TEXTENCODING_ISO_8859_1)));
    pJobSetup->SetPaperWidth(0);
    pJobSetup->SetPaperHeight(0);
    if (pJobSetup->GetPaperFormat() == PAPER_USER)
    {
        // transform to 100dth mm
        width = PtTo10Mu(width);
        height = PtTo10Mu(height);

        if (rData.m_eOrientation == psp::orientation::Portrait)
        {
            pJobSetup->SetPaperWidth(width);
            pJobSetup->SetPaperHeight(height);
        }
        else
        {
            pJobSetup->SetPaperWidth(height);
            pJobSetup->SetPaperHeight(width);
        }
    }

    // copy input slot
    const PPDKey* pKey = nullptr;
    const PPDValue* pValue = nullptr;

    pJobSetup->SetPaperBin(0xffff);
    if (rData.m_pParser)
        pKey = rData.m_pParser->getKey(OUString("InputSlot"));
    if (pKey)
        pValue = rData.m_aContext.getValue(pKey);
    if (pKey && pValue)
    {
        int nPaperBin;
        for (nPaperBin = 0; pValue != pKey->getValue(nPaperBin) && nPaperBin < pKey->countValues();
             nPaperBin++)
            ;
        pJobSetup->SetPaperBin(
            (nPaperBin == pKey->countValues() || pValue == pKey->getDefaultValue()) ? 0xffff
                                                                                    : nPaperBin);
    }

    // copy duplex
    pKey = nullptr;
    pValue = nullptr;

    pJobSetup->SetDuplexMode(DuplexMode::Unknown);
    if (rData.m_pParser)
        pKey = rData.m_pParser->getKey(OUString("Duplex"));
    if (pKey)
        pValue = rData.m_aContext.getValue(pKey);
    if (pKey && pValue)
    {
        if (pValue->m_aOption.equalsIgnoreAsciiCase("None")
            || pValue->m_aOption.startsWithIgnoreAsciiCase("Simplex"))
        {
            pJobSetup->SetDuplexMode(DuplexMode::Off);
        }
        else if (pValue->m_aOption.equalsIgnoreAsciiCase("DuplexNoTumble"))
        {
            pJobSetup->SetDuplexMode(DuplexMode::LongEdge);
        }
        else if (pValue->m_aOption.equalsIgnoreAsciiCase("DuplexTumble"))
        {
            pJobSetup->SetDuplexMode(DuplexMode::ShortEdge);
        }
    }

    // copy the whole context
    if (pJobSetup->GetDriverData())
        rtl_freeMemory(const_cast<sal_uInt8*>(pJobSetup->GetDriverData()));

    sal_uInt32 nBytes;
    void* pBuffer = nullptr;
    if (rData.getStreamBuffer(pBuffer, nBytes))
    {
        pJobSetup->SetDriverDataLen(nBytes);
        pJobSetup->SetDriverData(static_cast<sal_uInt8*>(pBuffer));
    }
    else
    {
        pJobSetup->SetDriverDataLen(0);
        pJobSetup->SetDriverData(nullptr);
    }
}

SalInfoPrinter* Qt5Instance::CreateInfoPrinter(SalPrinterQueueInfo* pQueueInfo,
                                               ImplJobSetup* pJobSetup)
{
    // create and initialize SalInfoPrinter
    Qt5InfoPrinter* pPrinter = new Qt5InfoPrinter;

    if (pJobSetup)
    {
        PrinterInfoManager& rManager(PrinterInfoManager::get());
        PrinterInfo aInfo(rManager.getPrinterInfo(pQueueInfo->maPrinterName));
        pPrinter->m_aJobData = aInfo;
        pPrinter->m_aPrinterGfx.Init(pPrinter->m_aJobData);

        if (pJobSetup->GetDriverData())
            JobData::constructFromStreamBuffer(pJobSetup->GetDriverData(),
                                               pJobSetup->GetDriverDataLen(), aInfo);

        pJobSetup->SetSystem(JOBSETUP_SYSTEM_UNIX);
        pJobSetup->SetPrinterName(pQueueInfo->maPrinterName);
        pJobSetup->SetDriver(aInfo.m_aDriverName);
        copyJobDataToJobSetup(pJobSetup, aInfo);
    }

    return pPrinter;
}

void Qt5Instance::DestroyInfoPrinter(SalInfoPrinter* pPrinter) { delete pPrinter; }

SalPrinter* Qt5Instance::CreatePrinter(SalInfoPrinter* pInfoPrinter)
{
    // create and initialize SalPrinter
    Qt5Printer* pPrinter = new Qt5Printer(pInfoPrinter);
    pPrinter->m_aJobData = static_cast<Qt5InfoPrinter*>(pInfoPrinter)->m_aJobData;

    return pPrinter;
}

void Qt5Instance::DestroyPrinter(SalPrinter* pPrinter) { delete pPrinter; }

void Qt5Instance::GetPrinterQueueInfo(ImplPrnQueueList* pList)
{
    PrinterInfoManager& rManager(PrinterInfoManager::get());
    static const char* pNoSyncDetection = getenv("SAL_DISABLE_SYNCHRONOUS_PRINTER_DETECTION");
    if (!pNoSyncDetection || !*pNoSyncDetection)
    {
        // #i62663# synchronize possible asynchronouse printer detection now
        rManager.checkPrintersChanged(true);
    }
    ::std::vector<OUString> aPrinters;
    rManager.listPrinters(aPrinters);

    for (::std::vector<OUString>::iterator it = aPrinters.begin(); it != aPrinters.end(); ++it)
    {
        const PrinterInfo& rInfo(rManager.getPrinterInfo(*it));
        // create new entry
        SalPrinterQueueInfo* pInfo = new SalPrinterQueueInfo;
        pInfo->maPrinterName = *it;
        pInfo->maDriver = rInfo.m_aDriverName;
        pInfo->maLocation = rInfo.m_aLocation;
        pInfo->maComment = rInfo.m_aComment;
        pInfo->mpSysData = nullptr;

        sal_Int32 nIndex = 0;
        while (nIndex != -1)
        {
            OUString aToken(rInfo.m_aFeatures.getToken(0, ',', nIndex));
            if (aToken.startsWith("pdf="))
            {
                pInfo->maLocation = getPdfDir(rInfo);
                break;
            }
        }

        pList->Add(pInfo);
    }
}

void Qt5Instance::DeletePrinterQueueInfo(SalPrinterQueueInfo* pInfo) { delete pInfo; }

void Qt5Instance::GetPrinterQueueState(SalPrinterQueueInfo*) {}

OUString Qt5Instance::GetDefaultPrinter()
{
    PrinterInfoManager& rManager(PrinterInfoManager::get());
    return rManager.getDefaultPrinter();
}

void Qt5Instance::PostPrintersChanged() {}

GenPspGraphics* Qt5Instance::CreatePrintGraphics() { return new GenPspGraphics(); }

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