#-------------------------------------------------------------------
# This file is part of the CMake build system for OGRE
#     (Object-oriented Graphics Rendering Engine)
# For the latest info, see http://www.ogre3d.org/
#
# The contents of this file are placed in the public domain. Feel
# free to make use of it in any way you like.
#-------------------------------------------------------------------


macro(add_static_libs LIB_DIR)
    foreach(LIB_NAME ${ARGN})
    if (ANDROID_NSIGHT)
        SET(HEADERS_DEBUG "${HEADERS_DEBUG}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB_DIR}/Debug/lib${LIB_NAME}.a\n\tinclude $(PREBUILT_STATIC_LIBRARY)\n\n")
        SET(HEADERS_RELEASE "${HEADERS_RELEASE}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB_DIR}/Release/lib${LIB_NAME}.a\n\tinclude $(PREBUILT_STATIC_LIBRARY)\n\n")
    else()
        SET(HEADERS "${HEADERS}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB_DIR}/lib${LIB_NAME}.a\n\tinclude $(PREBUILT_STATIC_LIBRARY)\n\n")
    endif()
        SET(SCOL_LDLIBS "${SCOL_LDLIBS} ${LIB_NAME}")
    endforeach(LIB_NAME ${ARGN})
#    SET(SCOL_LDLIBS "${SCOL_LDLIBS}\n  LOCAL_STATIC_LIBRARIES += ")
endmacro(add_static_libs)

macro(add_shared_libs LIB_DIR)
    foreach(LIB_NAME ${ARGN})
    if (ANDROID_NSIGHT)
        SET(HEADERS_DEBUG "${HEADERS_DEBUG}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB_DIR}/Debug/lib${LIB_NAME}.so\n\tinclude $(PREBUILT_SHARED_LIBRARY)\n\n")
        SET(HEADERS_RELEASE "${HEADERS_RELEASE}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB_DIR}/Release/lib${LIB_NAME}.so\n\tinclude $(PREBUILT_SHARED_LIBRARY)\n\n")
    else()
        SET(HEADERS "${HEADERS}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB_DIR}/lib${LIB_NAME}.so\n\tinclude $(PREBUILT_SHARED_LIBRARY)\n\n")
    endif()
        SET(SCOL_LSLIBS "${SCOL_LSLIBS} ${LIB_NAME}")
    endforeach(LIB_NAME ${ARGN})
#    SET(SCOL_LSLIBS "${SCOL_LSLIBS}\n  LOCAL_SHARED_LIBRARIES += ")
endmacro(add_shared_libs)

macro(add_external_shared_libs)
    foreach(LIB_NAME ${ARGN})
        get_filename_component(LFNAME ${LIB_NAME} NAME)
        string(REPLACE ".so" "" LFNAME ${LFNAME})
    if (ANDROID_NSIGHT)
        SET(HEADERS_DEBUG "${HEADERS_DEBUG}# ${LFNAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LFNAME}\n\tLOCAL_SRC_FILES := ${LIB_NAME}\n\tinclude $(PREBUILT_SHARED_LIBRARY)\n\n")
        SET(HEADERS_RELEASE "${HEADERS_RELEASE}# ${LFNAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LFNAME}\n\tLOCAL_SRC_FILES := ${LIB_NAME}\n\tinclude $(PREBUILT_SHARED_LIBRARY)\n\n")
    else()
        SET(HEADERS "${HEADERS}# ${LFNAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LFNAME}\n\tLOCAL_SRC_FILES := ${LIB_NAME}\n\tinclude $(PREBUILT_SHARED_LIBRARY)\n\n")
    endif()
        
        SET(SCOL_LSLIBS "${SCOL_LSLIBS} ${LIB_NAME}")
    endforeach(LIB_NAME ${ARGN})
#    SET(SCOL_LSLIBS "${SCOL_LSLIBS}\n  LOCAL_SHARED_LIBRARIES += ")
endmacro(add_external_shared_libs)

macro(add_static_libs_from_paths)
    foreach(LIB ${ARGN})
        get_filename_component(LIB_NAME ${LIB} NAME_WE)
        string(SUBSTRING ${LIB_NAME} 3 -1 LIB_NAME) # strip lib prefix
        if (ANDROID_NSIGHT)
          set(HEADERS_DEBUG "${HEADERS_DEBUG}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB}\n\tinclude $(PREBUILT_STATIC_LIBRARY)\n\n")
          set(HEADERS_RELEASE "${HEADERS_RELEASE}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB}\n\tinclude $(PREBUILT_STATIC_LIBRARY)\n\n")
        else()
          set(HEADERS "${HEADERS}# ${LIB_NAME}\n\tinclude $(CLEAR_VARS)\n\tLOCAL_MODULE    := ${LIB_NAME}\n\tLOCAL_SRC_FILES := ${LIB}\n\tinclude $(PREBUILT_STATIC_LIBRARY)\n\n")
        endif()
        set(SCOL_LDLIBS "${SCOL_LDLIBS} ${LIB_NAME}")
    endforeach()
#    set(SCOL_LDLIBS "${SCOL_LDLIBS}\n  LOCAL_STATIC_LIBRARIES += ")
endmacro(add_static_libs_from_paths)

macro(add_android_dependencies ANDROID_PROJECT_TARGET)
  set(Scol_ANDROID_DEPENDENCIES ${Scol_ANDROID_DEPENDENCIES} kernel CACHE INTERNAL "" FORCE)
  message(STATUS "[${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE}] Scol_ANDROID_DEPENDENCIES: ${Scol_ANDROID_DEPENDENCIES} -- added kernel to android project deps")
  #add_dependencies(${ANDROID_PROJECT_TARGET} ${Scol_ANDROID_DEPENDENCIES})
  
  set(DEPEND_SHARED_LIBS ${Scol_ANDROID_DEPENDENCIES})
  add_shared_libs("${CMAKE_LIBRARY_OUTPUT_DIRECTORY}" ${DEPEND_SHARED_LIBS})  

  add_external_shared_libs(${Scol_ANDROID_SHARED_LIBS})
endmacro(add_android_dependencies)

macro (create_android_templates)
  ######################################################################
  # Setup android build parameters
  
	if(${ANDROID_NATIVE_API_LEVEL} LESS 14)
		MATH(EXPR ANDROID_SDK_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}+1")
    
	else()
		SET(ANDROID_SDK_API_LEVEL "${ANDROID_NATIVE_API_LEVEL}")
		SET(SCREEN_SIZE "|screenSize")
    
	endif()
	
  SET(ANDROID_TARGET "android-${ANDROID_SDK_API_LEVEL}")
  
  # By default, if application has no Java code, use android NativeActivity
  if (HAS_CODE STREQUAL "false")
    SET(MAIN_ACTIVITY "android.app.NativeActivity")
  endif()

  ######################################################################
  # Construct NDK project hierarchy
  file(MAKE_DIRECTORY "${NDKOUT}")
  file(MAKE_DIRECTORY "${NDKOUT}/jni")
  file(MAKE_DIRECTORY "${NDKOUT}/assets")	
  file(MAKE_DIRECTORY "${NDKOUT}/res")
  file(MAKE_DIRECTORY "${NDKOUT}/res/values")
  file(MAKE_DIRECTORY "${NDKOUT}/src")
  ######################################################################

  
  ######################################################################
  # Configure templates and NDK project files
  file(WRITE "${NDKOUT}/default.properties" "target=${ANDROID_TARGET}")
  file(WRITE "${NDKOUT}/jni/Application.mk" "APP_ABI := ${ANDROID_NDK_ABI_NAME}\nLOCAL_ARM_NEON := ${NEON}\nAPP_STL := gnustl_static\nNDK_TOOLCHAIN_VERSION := ${ANDROID_COMPILER_VERSION}")
  configure_file("${CMAKE_SOURCE_DIR}/cmake/templates/AndroidManifest.xml.in" "${NDKOUT}/AndroidManifest.xml" @ONLY)
if (ANDROID_NSIGHT)
  configure_file("${CMAKE_SOURCE_DIR}/cmake/templates/Android-nsight.mk.in" "${NDKOUT}/jni/Android.mk" @ONLY)
  configure_file("${CMAKE_SOURCE_DIR}/cmake/templates/Androidr.mk.in" "${NDKOUT}/jni/release_android.mk" @ONLY)
  configure_file("${CMAKE_SOURCE_DIR}/cmake/templates/Androidd.mk.in" "${NDKOUT}/jni/debug_android.mk" @ONLY)
else()
  configure_file("${CMAKE_SOURCE_DIR}/cmake/templates/Android.mk.in" "${NDKOUT}/jni/Android.mk" @ONLY)
endif()
  configure_file("${CMAKE_SOURCE_DIR}/cmake/templates/strings.xml.in" "${NDKOUT}/res/values/strings.xml" @ONLY)
  ######################################################################
endmacro(create_android_templates)

macro(create_android_proj ANDROID_PROJECT_TARGET)

  ##################################################################
  # Creates a basic android JNI project
  # Expects :
  #    - ANDROID_MOD_NAME    Name of the android module
  #    - JNI_PATH            Path to the jni directory containing .cpp files
  #    - JNI_SRC_FILES       A list of native .cpp file names to compile
  #    - PKG_NAME            The name of the output android package ex"Org.Ogre.OgreJNI"
  #    - NDKOUT              The directory for the Ndk project to be written to
  #    - HAS_CODE            Set this variable to "false" if no java code will be present 
  #                          (google android:hasCode for more info)
  #    - MAIN_ACTIVITY       Name of the main java activity ex "android.app.MainActivity" 
  ##################################################################    
  
  
  ######################################################################
  add_android_dependencies(${ANDROID_PROJECT_TARGET})

  # if( Boost_INCLUDE_DIR )
    # set(SCOL_BOOST_INCLUDES ${Boost_INCLUDE_DIRS})       
    # add_static_libs_from_paths(${Boost_LIBRARIES})
    # message( STATUS "Boost_INCLUDE_DIRS : ${Boost_INCLUDE_DIRS}" )
    # message( STATUS "Boost_LIBRARIES : ${Boost_LIBRARIES}" )
  # else()
    # message( STATUS "Boost not found." )
  # endif()
  ######################################################################

  
  ######################################################################
  # Setup android "builders" :
  # . android : initialize ant projects. Needs only command parameters
  # . ndk-build : compile native source code. Uses Android.mk and Application.mk files to be configured.
  # . ant : build apk from Java sources and native libraries. Uses build.xml and AndroidManifest.xml to be configured.
  #   build.xml is generated by the "android" program.
  if(APPLE OR WIN32)
    SET(ANDROID_EXECUTABLE "android")
    SET(NDK_BUILD_EXECUTABLE "ndk-build")
    SET(KEYTOOL_EXECUTABLE "keytool")
    SET(JARSIGNER_EXECUTABLE "jarsigner")
    
  else()
    if(EXISTS $ENV{ANDROID_SDK})
      SET(ANDROID_SDK $ENV{ANDROID_SDK})
      SET(ANDROID_EXECUTABLE "$ENV{ANDROID_SDK}/tools/android")
    else()      
      SET(ANDROID_SDK "/opt/android-sdk")
      SET(ANDROID_EXECUTABLE "/opt/android-sdk/tools/android")      
    endif()
    
    if(EXISTS $ENV{ANDROID_NDK})
      SET(NDK_BUILD_EXECUTABLE "$ENV{ANDROID_NDK}/ndk-build")
      
    else()
      SET(NDK_BUILD_EXECUTABLE "${ANDROID_NDK}/ndk-build")

      if(EXISTS $ENV{JAVA_HOME})
        SET(KEYTOOL_EXECUTABLE "$ENV{JAVA_HOME}/bin/keytool")
        SET(JARSIGNER_EXECUTABLE "$ENV{JAVA_HOME}/bin/jarsigner")
      else()
        SET(KEYTOOL_EXECUTABLE "${JAVA_HOME}/bin/keytool")
        SET(JARSIGNER_EXECUTABLE "${JAVA_HOME}/bin/jarsigner")
      endif()
      
    endif()

  endif()

	SET(ANT_EXECUTABLE "ant")
  ######################################################################
  
  create_android_templates()
  
  
  ######################################################################
  # Create / Update ant project (android)
	add_custom_command(
    TARGET ${ANDROID_PROJECT_TARGET}
    POST_BUILD
    COMMAND ${ANDROID_EXECUTABLE} update project --target ${ANDROID_TARGET} --path "${NDKOUT}"
    WORKING_DIRECTORY ${NDKOUT}
  )
  
  file(COPY "${ANDROID_SDK}/extras/android/support/v4/android-support-v4.jar"
     DESTINATION "${NDKOUT}/libs")
  
  ######################################################################
	
  
  ######################################################################
  # Build Native source code (ndk-build)
	if(DEBUG)  
	 	add_custom_command(
      TARGET ${ANDROID_PROJECT_TARGET}
      POST_BUILD
      COMMAND ${NDK_BUILD_EXECUTABLE} all -j4 V=1 NDK_DEBUG=1
      WORKING_DIRECTORY ${NDKOUT}
    )
	else()  
		add_custom_command(
      TARGET ${ANDROID_PROJECT_TARGET}
      POST_BUILD
      COMMAND ${NDK_BUILD_EXECUTABLE} all -j4 V=1
      WORKING_DIRECTORY ${NDKOUT}
    )
	endif()
  ######################################################################
  
  ######################################################################
  # Build apk (ant)
  
  if (DEBUG)
	add_custom_command(
    TARGET ${ANDROID_PROJECT_TARGET}
    POST_BUILD
    COMMAND ${ANT_EXECUTABLE} debug install
    WORKING_DIRECTORY ${NDKOUT}
  )
  else()
	add_custom_command(
    TARGET ${ANDROID_PROJECT_TARGET}
    POST_BUILD
    COMMAND ${ANT_EXECUTABLE} release install
    WORKING_DIRECTORY ${NDKOUT}
  )
  endif()
  add_custom_command(
    TARGET ${ANDROID_PROJECT_TARGET}
    POST_BUILD
    COMMAND ${ANT_EXECUTABLE} copy-dependencies
    WORKING_DIRECTORY ${NDKOUT}
  )
  ######################################################################
  
endmacro(create_android_proj)