/*=========================================================================

  Program:   CMake - Cross-Platform Makefile Generator
  Module:    $RCSfile$
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

  Copyright (c) 2002 Kitware, Inc., Insight Consortium.  All rights reserved.
  See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#include "cmSystemTools.h"

// Need these for documentation support.
#include "cmake.h"
#include "cmDocumentation.h"
#include "cmCPackGenerators.h"
#include "cmCPackGenericGenerator.h"
#include "cmake.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"

#include "cmCPackLog.h"

#include <cmsys/CommandLineArguments.hxx>

//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationName[] =
{
  {0,
   "  cpack - Packaging driver provided by CMake.", 0},
  {0,0,0}
};

//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationUsage[] =
{
  {0,
   "  cpack -G <generator> -P <ProjectName> -R <ReleaseVersion> [options]", 0},
  {0,0,0}
};

//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationDescription[] =
{
  {0,
   "The \"cpack\" executable is the CMake packaging program.  "
   "CMake-generated build trees created for projects that use "
   "the INSTALL_* commands have packaging support.  "
   "This program will generate the package.", 0},
  CMAKE_STANDARD_INTRODUCTION,
  {0,0,0}
};

//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationOptions[] =
{
    {"-G <generator>", "Use the specified generator to generate package.",
    "CPack may support multiple native packaging systems on certain platforms. A "
      "generator is responsible for generating input files for particular system "
      "and invoking that systems. Possible generator names are specified in the "
      "Generators section." },
    {"-P <ProjectName>", "Specify the project name.",
    "This option specifies the project name that will be used to generate the "
      "installer." },
    {"-C <Configuration>", "Specify the project configuration",
    "This option specifies the configuration that the project was build with, "
      "for example 'Debug', 'Release'." },
    {"-R <ReleaseVersion>", "Specify the release version of the project.",
    "This option specifies the release version of the project that will be "
      "used by installer." },
    {"-D <var>=<value>", "Set a CPack variable.", \
    "Set a variable that can be used by the generator."}, \
    {"--patch <ReleasePatch>", "Specify the patch of the project.",
    "This option specifies the patch of the project that will be "
      "used by installer." },
    {"--vendor <ProjectVendor>", "Specify the vendor of the project.",
    "This option specifies the vendor of the project that will be "
      "used by installer." },
    {0,0,0}
};

//----------------------------------------------------------------------------
static const cmDocumentationEntry cmDocumentationSeeAlso[] =
{
    {0, "cmake", 0},
    {0, "ccmake", 0},
    {0, 0, 0}
};

//----------------------------------------------------------------------------
int cpackUnknownArgument(const char*, void*)
{
  return 1;
}

//----------------------------------------------------------------------------
struct cpackDefinitions
{
  typedef std::map<cmStdString, cmStdString> MapType;
  MapType m_Map;
  cmCPackLog *m_Log;
};

//----------------------------------------------------------------------------
int cpackDefinitionArgument(const char* argument, const char* cValue, 
  void* call_data)
{
  (void)argument;
  cpackDefinitions* def = static_cast<cpackDefinitions*>(call_data);
  std::string value = cValue;
  size_t pos = value.find_first_of("=");
  if ( pos == std::string::npos )
    {
    cmCPack_Log(def->m_Log, cmCPackLog::LOG_ERROR, "Please specify CPack definitions as: KEY=VALUE" << std::endl);
    return 0;
    }
  std::string key = value.substr(0, pos);
  value = value.c_str() + pos + 1;
  def->m_Map[key] = value;
  cmCPack_Log(def->m_Log, cmCPackLog::LOG_DEBUG, "Set CPack variable: " << key.c_str() << " to \"" << value.c_str() << "\"" << std::endl);
  return 1;
}

//----------------------------------------------------------------------------
// this is CPack.
int main (int argc, char *argv[])
{
  cmCPackLog log;
  log.SetErrorPrefix("CPack Error: ");
  log.SetWarningPrefix("CPack Warning: ");
  log.SetOutputPrefix("CPack: ");
  log.SetVerbosePrefix("CPack Verbose: ");

  cmSystemTools::EnableMSVCDebugHook();

  if ( cmSystemTools::GetCurrentWorkingDirectory().size() == 0 )
    {
    cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Current working directory cannot be established." << std::endl);
    }

  std::string generator;
  bool help = false;
  bool helpVersion = false;
  bool verbose = false;
  bool debug = false;
  std::string helpFull;
  std::string helpMAN;
  std::string helpHTML;

  std::string cpackProjectName;
  std::string cpackProjectDirectory = cmsys::SystemTools::GetCurrentWorkingDirectory();
  std::string cpackBuildConfig;
  std::string cpackProjectVersion;
  std::string cpackProjectPatch;
  std::string cpackProjectVendor;
  std::string cpackConfigFile;

  cpackDefinitions definitions;
  definitions.m_Log = &log;

  cpackConfigFile = "";

  cmDocumentation doc;
  cmsys::CommandLineArguments arg;
  arg.Initialize(argc, argv);
  typedef cmsys::CommandLineArguments argT;
  // Help arguments
  arg.AddArgument("--help", argT::NO_ARGUMENT, &help, "CPack help");
  arg.AddArgument("--help-full", argT::SPACE_ARGUMENT, &helpFull, "CPack help");
  arg.AddArgument("--help-html", argT::SPACE_ARGUMENT, &helpHTML, "CPack help");
  arg.AddArgument("--help-man", argT::SPACE_ARGUMENT, &helpMAN, "CPack help");
  arg.AddArgument("--version", argT::NO_ARGUMENT, &helpVersion, "CPack help");

  arg.AddArgument("-V", argT::NO_ARGUMENT, &verbose, "CPack verbose");
  arg.AddArgument("--verbose", argT::NO_ARGUMENT, &verbose, "-V");
  arg.AddArgument("--debug", argT::NO_ARGUMENT, &debug, "-V");
  arg.AddArgument("--config", argT::SPACE_ARGUMENT, &cpackConfigFile, "CPack configuration file");
  arg.AddArgument("-C", argT::SPACE_ARGUMENT, &cpackBuildConfig, "CPack build configuration");
  arg.AddArgument("-G", argT::SPACE_ARGUMENT, &generator, "CPack generator");
  arg.AddArgument("-P", argT::SPACE_ARGUMENT, &cpackProjectName, "CPack project name");
  arg.AddArgument("-R", argT::SPACE_ARGUMENT, &cpackProjectVersion, "CPack project version");
  arg.AddArgument("-B", argT::SPACE_ARGUMENT, &cpackProjectDirectory, "CPack project directory");
  arg.AddArgument("--patch", argT::SPACE_ARGUMENT, &cpackProjectPatch, "CPack project patch");
  arg.AddArgument("--vendor", argT::SPACE_ARGUMENT, &cpackProjectVendor, "CPack project vendor");
  arg.AddCallback("-D", argT::SPACE_ARGUMENT, cpackDefinitionArgument, &definitions, "CPack Definitions");
  arg.SetUnknownArgumentCallback(cpackUnknownArgument);

  // Parse command line
  int parsed = arg.Parse();

  // Setup logging
  if ( verbose )
    {
    log.SetVerbose(verbose);
    cmCPack_Log(&log, cmCPackLog::LOG_OUTPUT, "Enable Verbse" << std::endl);
    }
  if ( debug )
    {
    log.SetDebug(debug);
    cmCPack_Log(&log, cmCPackLog::LOG_OUTPUT, "Enable Debug" << std::endl);
    }

  cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE, "Read CPack config file: " << cpackConfigFile.c_str() << std::endl);

  cmake cminst;
  cmGlobalGenerator cmgg;
  cmgg.SetCMakeInstance(&cminst);
  cmLocalGenerator* cmlg = cmgg.CreateLocalGenerator();
  cmMakefile* mf = cmlg->GetMakefile();

  bool cpackConfigFileSpecified = true;
  if ( cpackConfigFile.empty() )
    {
    cpackConfigFile = cmSystemTools::GetCurrentWorkingDirectory();
    cpackConfigFile += "/CPackConfig.cmake";
    cpackConfigFileSpecified = false;
    }

  cmCPackGenerators generators;
  generators.SetLogger(&log);
  cmCPackGenericGenerator* cpackGenerator = 0;

  if ( !helpFull.empty() || !helpMAN.empty() || !helpHTML.empty() || helpVersion )
    {
    help = true;
    }

  if ( parsed && !help )
    {
    if ( cmSystemTools::FileExists(cpackConfigFile.c_str()) && !mf->ReadListFile(0, cpackConfigFile.c_str()) )
      {
      cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Problem reding CPack config file: \"" << cpackConfigFile.c_str() << "\"" << std::endl);
      return 1;
      }
    else if ( cpackConfigFileSpecified )
      {
      cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Cannot find CPack config file: \"" << cpackConfigFile.c_str() << "\"" << std::endl);
      return 1;
      }

    if ( !generator.empty() )             { mf->AddDefinition("CPACK_GENERATOR",             generator.c_str()); }
    if ( !cpackProjectName.empty() )      { mf->AddDefinition("CPACK_PACKAGE_NAME",          cpackProjectName.c_str()); }
    if ( !cpackProjectVersion.empty() )   { mf->AddDefinition("CPACK_PACKAGE_VERSION",       cpackProjectVersion.c_str()); }
    if ( !cpackProjectVendor.empty() )    { mf->AddDefinition("CPACK_PACKAGE_VENDOR",        cpackProjectVendor.c_str()); }
    if ( !cpackProjectDirectory.empty() ) { mf->AddDefinition("CPACK_PACKAGE_DIRECTORY",     cpackProjectDirectory.c_str()); }
    if ( !cpackBuildConfig.empty() )      { mf->AddDefinition("CPACK_BUILD_CONFIG",          cpackBuildConfig.c_str()); }
    cpackDefinitions::MapType::iterator cdit;
    for ( cdit = definitions.m_Map.begin(); cdit != definitions.m_Map.end(); ++cdit )
      {
      mf->AddDefinition(cdit->first.c_str(), cdit->second.c_str());
      }

    const char* gen = mf->GetDefinition("CPACK_GENERATOR");
    if ( !gen )
      {
      cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "CPack generator not specified" << std::endl);
      parsed = 0;
      }
    if ( parsed && !mf->GetDefinition("CPACK_PACKAGE_NAME") )
      {
      cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "CPack project name not specified" << std::endl);
      parsed = 0;
      }
    if ( parsed && !(mf->GetDefinition("CPACK_PACKAGE_VERSION")
        || mf->GetDefinition("CPACK_PACKAGE_VERSION_MAJOR") && mf->GetDefinition("CPACK_PACKAGE_VERSION_MINOR")
        && mf->GetDefinition("CPACK_PACKAGE_VERSION_PATCH")) )
      {
      cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "CPack project version not specified" << std::endl
        << "Specify CPACK_PACKAGE_VERSION, or CPACK_PACKAGE_VERSION_MAJOR, CPACK_PACKAGE_VERSION_MINOR, and CPACK_PACKAGE_VERSION_PATCH."
        << std::endl);
      parsed = 0;
      }
    if ( parsed )
      {
      cpackGenerator = generators.NewGenerator(gen);
      if ( !cpackGenerator )
        {
        cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Cannot initialize CPack generator: " << generator.c_str() << std::endl);
        parsed = 0;
        }
      if ( !cpackGenerator->Initialize(gen, mf) )
        {
        parsed = 0;
        }
      if ( parsed && !cpackGenerator->FindRunningCMake(argv[0]) )
        {
        cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Cannot initialize the generator" << std::endl);
        parsed = 0;
        }

      if ( !mf->GetDefinition("CPACK_INSTALL_COMMANDS") && !mf->GetDefinition("CPACK_INSTALLED_DIRECTORIES") )
        {
        cmsys::SystemTools::ConvertToUnixSlashes(cpackProjectDirectory);
        std::string makeInstallFile = cpackProjectDirectory + "/cmake_install.cmake";
        if ( !cmsys::SystemTools::FileExists(makeInstallFile.c_str()) )
          {
          cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Cannot find installation file: " << makeInstallFile.c_str() << std::endl);
          cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Please specify build tree of the project that uses CMake, specify CPACK_INSTALL_COMMANDS, or specify CPACK_INSTALLED_DIRECTORIES." << std::endl);
          parsed = 0;
          }
        }
      }
    }

  if ( !parsed || help )
    {
    doc.CheckOptions(argc, argv);
    // Construct and print requested documentation.
    doc.SetName("cpack");
    doc.SetNameSection(cmDocumentationName);
    doc.SetUsageSection(cmDocumentationUsage);
    doc.SetDescriptionSection(cmDocumentationDescription);
    doc.SetOptionsSection(cmDocumentationOptions);
    doc.SetSeeAlsoList(cmDocumentationSeeAlso);
#undef cout
    return doc.PrintRequestedDocumentation(std::cout)? 0:1;
#define cout no_cout_use_cmCPack_Log
    }

#ifdef _WIN32
  std::string comspec = "cmw9xcom.exe";
  cmSystemTools::SetWindows9xComspecSubstitute(comspec.c_str());
#endif

  const char* projName = mf->GetDefinition("CPACK_PACKAGE_NAME");
  cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE, "Use generator: " << cpackGenerator->GetNameOfClass() << std::endl);
  cmCPack_Log(&log, cmCPackLog::LOG_VERBOSE, "For project: " << projName << std::endl);

  const char* projVersion = mf->GetDefinition("CPACK_PACKAGE_VERSION");
  if ( !projVersion )
    {
    const char* projVersionMajor = mf->GetDefinition("CPACK_PACKAGE_VERSION_MAJOR");
    const char* projVersionMinor = mf->GetDefinition("CPACK_PACKAGE_VERSION_MINOR");
    const char* projVersionPatch = mf->GetDefinition("CPACK_PACKAGE_VERSION_PATCH");
    cmOStringStream ostr;
    ostr << projVersionMajor << "." << projVersionMinor << "." << projVersionPatch;
    mf->AddDefinition("CPACK_PACKAGE_VERSION", ostr.str().c_str());
    }

  int res = cpackGenerator->ProcessGenerator();
  if ( !res )
    {
    cmCPack_Log(&log, cmCPackLog::LOG_ERROR, "Error when generating package: " << projName << std::endl);
    return 1;
    }

  return 0;
}