/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2015 Geoffrey Viola <geoffrey.viola@asirobots.com>

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#ifndef cmGhsMultiGenerator_h
#define cmGhsMultiGenerator_h

#include "cmGlobalGeneratorFactory.h"
#include "cmGlobalGenerator.h"
#include "cmGhsMultiGpj.h"

class cmGeneratedFileStream;

class cmGlobalGhsMultiGenerator : public cmGlobalGenerator
{
public:
  /// The default name of GHS MULTI's build file. Typically: monolith.gpj.
  static const char *FILE_EXTENSION;

  cmGlobalGhsMultiGenerator(cmake* cm);
  ~cmGlobalGhsMultiGenerator();

  static cmGlobalGeneratorFactory *NewFactory()
  { return new cmGlobalGeneratorSimpleFactory<cmGlobalGhsMultiGenerator>(); }

  ///! create the correct local generator
  virtual cmLocalGenerator *CreateLocalGenerator(cmMakefile* mf);

  /// @return the name of this generator.
  static std::string GetActualName() { return "Green Hills MULTI"; }

  ///! Get the name for this generator
  virtual std::string GetName() const { return this->GetActualName(); }

  /// Overloaded methods. @see cmGlobalGenerator::GetDocumentation()
  static void GetDocumentation(cmDocumentationEntry &entry);

  /**
   * Utilized by the generator factory to determine if this generator
   * supports toolsets.
   */
  static bool SupportsToolset() { return false; }

  /**
  * Try to determine system information such as shared library
  * extension, pthreads, byte order etc.
  */
  virtual void EnableLanguage(std::vector<std::string> const &languages,
                              cmMakefile *, bool optional);
  /*
  * Determine what program to use for building the project.
  */
  virtual void FindMakeProgram(cmMakefile *);

  cmGeneratedFileStream *GetBuildFileStream()
  {
    return this->TargetFolderBuildStreams[""];
  }

  static void OpenBuildFileStream(std::string const &filepath,
                                  cmGeneratedFileStream **filestream);
  static void OpenBuildFileStream(cmGeneratedFileStream *filestream);
  static void CloseBuildFileStream(cmGeneratedFileStream **filestream);
  /// Write the common disclaimer text at the top of each build file.
  static void WriteDisclaimer(std::ostream *os);
  std::vector<std::string> GetLibDirs() { return this->LibDirs; }

  static void AddFilesUpToPath(
      cmGeneratedFileStream *mainBuildFile,
      std::map<std::string, cmGeneratedFileStream *> *targetFolderBuildStreams,
      char const *homeOutputDirectory, std::string const &path,
      GhsMultiGpj::Types projType, std::string const &relPath = "");
  static void Open(std::string const &mapKeyName, std::string const &fileName,
                   std::map<std::string, cmGeneratedFileStream *> *fileMap);

  static std::string trimQuotes(std::string const &str);
  inline bool IsOSDirRelative() { return this->OSDirRelative; }

protected:
  virtual void Generate();
  virtual void GenerateBuildCommand(
      std::vector<std::string> &makeCommand, const std::string &makeProgram,
      const std::string &projectName, const std::string &projectDir,
      const std::string &targetName, const std::string &config, bool fast,
      bool verbose,
      std::vector<std::string> const& makeOptions = std::vector<std::string>()
    );

private:
  std::string const &GetGhsBuildCommand();
  std::string FindGhsBuildCommand();
  std::string GetCompRoot();
  std::vector<std::string> GetCompRootHardPaths();
  std::vector<std::string> GetCompRootRegistry();
  void OpenBuildFileStream();

  void WriteMacros();
  void WriteHighLevelDirectives();
  void WriteCompilerOptions(std::string const &fOSDir);

  static void AddFilesUpToPathNewBuildFile(
      cmGeneratedFileStream *mainBuildFile,
      std::map<std::string, cmGeneratedFileStream *> *targetFolderBuildStreams,
      char const *homeOutputDirectory, std::string const &pathUpTo,
      bool isFirst, std::string const &relPath, GhsMultiGpj::Types projType);
  static void AddFilesUpToPathAppendNextFile(
      std::map<std::string, cmGeneratedFileStream *> *targetFolderBuildStreams,
      std::string const &pathUpTo,
      std::vector<cmsys::String>::const_iterator splitPathI,
      std::vector<cmsys::String>::const_iterator end,
      GhsMultiGpj::Types projType);
  static std::string GetFileNameFromPath(std::string const &path);
  void UpdateBuildFiles(std::vector<cmGeneratorTarget*> tgts);
  bool IsTgtForBuild(const cmGeneratorTarget *tgt);

  std::vector<cmGeneratedFileStream *> TargetSubProjects;
  std::map<std::string, cmGeneratedFileStream *> TargetFolderBuildStreams;

  std::vector<std::string> LibDirs;

  bool OSDirRelative;
  bool GhsBuildCommandInitialized;
  std::string GhsBuildCommand;
  static const char *DEFAULT_MAKE_PROGRAM;
};

#endif