/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file LICENSE.rst or https://cmake.org/licensing for details.  */
#pragma once

#include "cmConfigure.h" // IWYU pragma: keep

#include <iosfwd>
#include <map>
#include <set>
#include <string>
#include <vector>

#include "cm_codecvt_Encoding.hxx"

#include "cmGlobalGenerator.h"
#include "cmTargetDepend.h"
#include "cmVSSolution.h"
#include "cmVSVersion.h"
#include "cmValue.h"

class cmCustomCommand;
class cmGeneratorTarget;
class cmLocalGenerator;
class cmMakefile;
class cmake;

/** \class cmGlobalVisualStudioGenerator
 * \brief Base class for global Visual Studio generators.
 *
 * cmGlobalVisualStudioGenerator provides functionality common to all
 * global Visual Studio generators.
 */
class cmGlobalVisualStudioGenerator : public cmGlobalGenerator
{
public:
  using VSVersion = cm::VS::Version;

  ~cmGlobalVisualStudioGenerator() override;

  VSVersion GetVersion() const;
  void SetVersion(VSVersion v);

  void EnableLanguage(std::vector<std::string> const& languages, cmMakefile*,
                      bool optional) override;

  bool SetGeneratorPlatform(std::string const& p, cmMakefile* mf) override;

  /**
   * Get the name of the target platform (architecture) for which we generate.
   * The names are as defined by VS, e.g. "Win32", "x64", "Itanium", "ARM".
   */
  std::string const& GetPlatformName() const;

  /**
   * Configure CMake's Visual Studio macros file into the user's Visual
   * Studio macros directory.
   */
  virtual void ConfigureCMakeVisualStudioMacros();

  /**
   * Where does this version of Visual Studio look for macros for the
   * current user? Returns the empty string if this version of Visual
   * Studio does not implement support for VB macros.
   */
  virtual std::string GetUserMacrosDirectory();

  /**
   * What is the reg key path to "vsmacros" for this version of Visual
   * Studio?
   */
  virtual std::string GetUserMacrosRegKeyBase();

  cmValue GetDebuggerWorkingDirectory(cmGeneratorTarget* gt) const override;

  enum MacroName
  {
    MacroReload,
    MacroStop
  };

  /**
   * Call the ReloadProjects macro if necessary based on
   * GetFilesReplacedDuringGenerate results.
   */
  void CallVisualStudioMacro(MacroName m, std::string const& vsSolutionFile);

  // return true if target is fortran only
  bool TargetIsFortranOnly(cmGeneratorTarget const* gt) const;

  // return true if target should be included in solution.
  virtual bool IsInSolution(cmGeneratorTarget const* gt) const;

  // return true if project dependency should be included in solution.
  virtual bool IsDepInSolution(std::string const& targetName) const;

  /** Get the top-level registry key for this VS version.  */
  std::string GetRegistryBase();

  /** Get the top-level registry key for the given VS version.  */
  static std::string GetRegistryBase(char const* version);

  /** Return true if the generated build tree may contain multiple builds.
      i.e. "Can I build Debug and Release in the same tree?" */
  bool IsMultiConfig() const override { return true; }

  /** Return true if building for Windows CE */
  virtual bool TargetsWindowsCE() const { return false; }

  bool IsIncludeExternalMSProjectSupported() const override { return true; }

  /** Get encoding used by generator for generated source files
   */
  codecvt_Encoding GetMakefileEncoding() const override
  {
    return codecvt_Encoding::ANSI;
  }

  class TargetSet : public std::set<cmGeneratorTarget const*>
  {
  };
  class TargetCompare
  {
    std::string First;

  public:
    TargetCompare(std::string first)
      : First(std::move(first))
    {
    }
    bool operator()(cmGeneratorTarget const* l,
                    cmGeneratorTarget const* r) const;
  };
  class OrderedTargetDependSet;

  bool FindMakeProgram(cmMakefile*) override;

  std::string ExpandCFGIntDir(std::string const& str,
                              std::string const& config) const override;

  void ComputeTargetObjectDirectory(cmGeneratorTarget* gt) const override;

  std::string GetStartupProjectName(cmLocalGenerator const* root) const;

  void AddSymbolExportCommand(cmGeneratorTarget*,
                              std::vector<cmCustomCommand>& commands,
                              std::string const& configName);

  bool Open(std::string const& bindir, std::string const& projectName,
            bool dryRun) override;

  bool IsVisualStudio() const override { return true; }

  //! Lookup a stored GUID or compute one deterministically.
  std::string GetGUID(std::string const& name) const;

protected:
  cmGlobalVisualStudioGenerator(cmake* cm);

  virtual bool InitializePlatform(cmMakefile* mf);

  void AddExtraIDETargets() override;

  // Does this VS version link targets to each other if there are
  // dependencies in the SLN file?  This was done for VS versions
  // below 8.
  virtual bool VSLinksDependencies() const { return true; }

  char const* GetIDEVersion() const;

  VSVersion Version;

  std::string GeneratorPlatform;
  std::string DefaultPlatformName;

  /** Return true if the configuration needs to be deployed */
  virtual bool NeedsDeploy(cmGeneratorTarget const& target,
                           char const* config) const = 0;

  /** Returns true if the target system support debugging deployment. */
  virtual bool TargetSystemSupportsDeployment() const = 0;

  static cm::string_view ExternalProjectTypeId(std::string const& path);

  std::set<std::string> IsPartOfDefaultBuild(
    std::vector<std::string> const& configs,
    TargetDependSet const& projectTargets,
    cmGeneratorTarget const* target) const;
  bool IsDependedOn(TargetDependSet const& projectTargets,
                    cmGeneratorTarget const* target) const;
  std::map<std::string, std::string> GUIDMap;

  cm::VS::Solution CreateSolution(cmLocalGenerator const* root,
                                  TargetDependSet const& projectTargets) const;
  cm::VS::Solution::Folder* CreateSolutionFolder(
    cm::VS::Solution& solution, cm::string_view rawName) const;

  std::string GetSLNFile(cmLocalGenerator const* root) const;
  std::string GetSLNFile(std::string const& projectDir,
                         std::string const& projectName) const;

  void Generate() override;

  void GenerateSolution(cmLocalGenerator const* root,
                        std::vector<cmLocalGenerator*> const& generators);

private:
  virtual std::string GetVSMakeProgram() = 0;
  void PrintCompilerAdvice(std::ostream&, std::string const&,
                           cmValue) const override
  {
  }
};

class cmGlobalVisualStudioGenerator::OrderedTargetDependSet
  : public std::multiset<cmTargetDepend,
                         cmGlobalVisualStudioGenerator::TargetCompare>
{
  using derived = std::multiset<cmTargetDepend,
                                cmGlobalVisualStudioGenerator::TargetCompare>;

public:
  using TargetDependSet = cmGlobalGenerator::TargetDependSet;
  using TargetSet = cmGlobalVisualStudioGenerator::TargetSet;
  OrderedTargetDependSet(TargetDependSet const&, std::string const& first);
  OrderedTargetDependSet(TargetSet const&, std::string const& first);
};