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

#include "cmExecutionStatus.h"

#ifdef _WIN32
#  include "cmGlobalGenerator.h"
#  include "cmMakefile.h"
#  include "cmStateTypes.h"
#  include "cmSystemTools.h"
#  include "cmTarget.h"
#  include "cmake.h"
#endif

bool cmIncludeExternalMSProjectCommand(std::vector<std::string> const& args,
                                       cmExecutionStatus& status)
{
  if (args.size() < 2) {
    status.SetError("INCLUDE_EXTERNAL_MSPROJECT called with incorrect "
                    "number of arguments");
    return false;
  }

// only compile this for win32 to avoid coverage errors
#ifdef _WIN32
  cmMakefile& mf = status.GetMakefile();
  if (mf.GetDefinition("WIN32") ||
      mf.GetGlobalGenerator()->IsIncludeExternalMSProjectSupported()) {
    enum Doing
    {
      DoingNone,
      DoingType,
      DoingGuid,
      DoingPlatform
    };

    Doing doing = DoingNone;

    std::string customType;
    std::string customGuid;
    std::string platformMapping;

    std::vector<std::string> depends;
    for (unsigned int i = 2; i < args.size(); ++i) {
      if (args[i] == "TYPE") {
        doing = DoingType;
      } else if (args[i] == "GUID") {
        doing = DoingGuid;
      } else if (args[i] == "PLATFORM") {
        doing = DoingPlatform;
      } else {
        switch (doing) {
          case DoingNone:
            depends.push_back(args[i]);
            break;
          case DoingType:
            customType = args[i];
            break;
          case DoingGuid:
            customGuid = args[i];
            break;
          case DoingPlatform:
            platformMapping = args[i];
            break;
        }
        doing = DoingNone;
      }
    }

    // Hack together a utility target storing enough information
    // to reproduce the target inclusion.
    std::string utility_name = args[0];

    std::string path = args[1];
    cmSystemTools::ConvertToUnixSlashes(path);

    if (!customGuid.empty()) {
      std::string guidVariable = utility_name + "_GUID_CMAKE";
      mf.GetCMakeInstance()->AddCacheEntry(
        guidVariable, customGuid, "Stored GUID", cmStateEnums::INTERNAL);
    }

    // Create a target instance for this utility.
    cmTarget* target = mf.AddNewTarget(cm::TargetType::UTILITY, utility_name);
    if (mf.GetPropertyAsBool("EXCLUDE_FROM_ALL")) {
      target->SetProperty("EXCLUDE_FROM_ALL", "TRUE");
    }

    target->SetProperty("GENERATOR_FILE_NAME", utility_name);
    target->SetProperty("EXTERNAL_MSPROJECT", path);

    if (!customType.empty())
      target->SetProperty("VS_PROJECT_TYPE", customType);
    if (!platformMapping.empty())
      target->SetProperty("VS_PLATFORM_MAPPING", platformMapping);

    for (std::string const& d : depends) {
      target->AddUtility(d, false);
    }
  }
#endif
  return true;
}