#
# QtTesting
#
set(QtTesting_DEPENDS)
if(CTK_USE_QTTESTING)

  # Sanity checks
  if(DEFINED QtTesting_DIR AND NOT EXISTS ${QtTesting_DIR})
    message(FATAL_ERROR "QtTesting_DIR variable is defined but corresponds to non-existing directory")
  endif()

  set(proj QtTesting)
  set(proj_DEPENDENCIES)
  
  list(APPEND CTK_DEPENDENCIES ${proj})

  set(QtTesting_DEPENDS ${proj})
  
  set(${QtTesting_enabling_variable}_INCLUDE_DIRS QtTesting_INCLUDE_DIRS)
  set(${QtTesting_enabling_variable}_FIND_PACKAGE_CMD QtTesting)
  
  if(CTK_SUPERBUILD)

    if(NOT DEFINED QtTesting_DIR)

      set(revision_tag dac049b06724862583f6b64b2b038c0726bd2ba0)
      if(${proj}_REVISION_TAG)
        set(revision_tag ${${proj}_REVISION_TAG})
      endif()

      set(location_args )
      if(${proj}_URL)
        set(location_args URL ${${proj}_URL})
      elseif(${proj}_GIT_REPOSITORY)
        set(location_args GIT_REPOSITORY ${${proj}_GIT_REPOSITORY}
                          GIT_TAG ${revision_tag})
      else()
        set(location_args GIT_REPOSITORY "${git_protocol}://github.com/benjaminlong/QtTesting.git"
                          GIT_TAG ${revision_tag})
      endif()

      # Set CMake OSX variable to pass down the external project
      set(CMAKE_OSX_EXTERNAL_PROJECT_ARGS)
      if(APPLE)
        list(APPEND CMAKE_OSX_EXTERNAL_PROJECT_ARGS
          -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
          -DCMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT}
          -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET})
      endif()

      message(STATUS "Adding project:${proj}")
      ExternalProject_Add(${proj}
        SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
        BINARY_DIR ${proj}-build
        PREFIX ${proj}${ep_suffix}
        ${location_args}
        CMAKE_GENERATOR ${gen}
        UPDATE_COMMAND ""
        CMAKE_CACHE_ARGS
          ${ep_common_cache_args}
          -DBUILD_SHARED_LIBS:BOOL=ON
          -DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}
        DEPENDS
          ${proj_DEPENDENCIES}
        )
      set(QtTesting_INSTALL_DIR ${ep_install_dir})
      set(QtTesting_DIR ${CMAKE_BINARY_DIR}/${proj}-build)

      # Since QtTesting is statically build, there is not need to add its corresponding
      # library output directory to CTK_EXTERNAL_LIBRARY_DIRS

    else()
      ctkMacroEmptyExternalproject(${proj} "${proj_DEPENDENCIES}")
    endif()

    list(APPEND CTK_SUPERBUILD_EP_VARS
      QtTesting_INSTALL_DIR:PATH
      QtTesting_DIR:PATH
      )
    
  endif()

endif()