include (LibAddMacros)
include (LibAddBinding)
include (SafeCheckSymbolExists)

if (DEPENDENCY_PHASE)
	if (APPLE)
		execute_process (COMMAND "/usr/libexec/java_home --failfast"
				 ERROR_QUIET
				 OUTPUT_VARIABLE JAVA_HOME
				 OUTPUT_STRIP_TRAILING_WHITESPACE)
	endif ()

	find_package (JNI QUIET)

	if (JNI_FOUND)
		set (DIRS
		     ${JNI_INCLUDE_DIRS}
		     ${JAVA_INCLUDE_PATH}
		     ${JAVA_INCLUDE_PATH2}
		     ${JAVA_AWT_INCLUDE_PATH})
		set (LIBS
		     ${JAVA_MAWT_LIBRARY}
		     ${JNI_LIBRARIES}
		     ${JAVA_AWT_LIBRARY}
		     ${JAVA_JVM_LIBRARY}) # for check_symbol_exists
		set (CMAKE_REQUIRED_INCLUDES ${DIRS})
		safe_check_symbol_exists (JNI_VERSION_1_8 jni.h JNI_CORRECT_VERSION)
		unset (CMAKE_REQUIRED_INCLUDES)

		if (NOT JNI_CORRECT_VERSION)
			remove_plugin (jni "jni.h does not define JNI_VERSION_1_8")
		endif ()
	else ()
		remove_plugin (jni "jni not found")
	endif ()
endif ()

add_plugin (jni
	    SOURCES jni.c
	    INCLUDE_DIRECTORIES ${DIRS}
	    LINK_LIBRARIES ${LIBS}
	    ONLY_SHARED)

if (ADDTESTING_PHASE)
	check_binding_was_added ("jna" BINDING_WAS_ADDED)
	find_program (MAVEN_EXECUTABLE mvn)

	if (ENABLE_BROKEN_TESTS)
		if (BUILD_TESTING AND BINDING_WAS_ADDED AND MAVEN_EXECUTABLE)
			add_plugintest (jni MEMLEAK)
			include_directories (${CMAKE_CURRENT_BINARY_DIR})

			# Generate header file
			set (LIBELEKTRA4J_PATH ${CMAKE_BINARY_DIR}/src/bindings/jna/libelektra4j)
			add_custom_command (COMMAND ${MAVEN_EXECUTABLE}
						    ARGS
						    dependency:build-classpath
						    -q
						    -Dmdep.outputFile=classpath.txt
					    COMMAND ${CMAKE_COMMAND}
						    ARGS
						    -D
						    SOURCE_PATH=${CMAKE_CURRENT_SOURCE_DIR}
						    -D
						    DESTINATION_PATH=${CMAKE_CURRENT_BINARY_DIR}
						    -D
						    LIBELEKTRA4J_PATH=${LIBELEKTRA4J_PATH}
						    -D
						    KDB_VERSION=${KDB_VERSION}
						    -P
						    ${CMAKE_SOURCE_DIR}/cmake/ElektraClasspath.cmake
					    OUTPUT "${LIBELEKTRA4J_PATH}/classpath.txt" "${CMAKE_CURRENT_BINARY_DIR}/testmod_jni.h"
					    WORKING_DIRECTORY ${LIBELEKTRA4J_PATH}
					    DEPENDS "${LIBELEKTRA4J_PATH}/pom.xml")
			add_custom_target (jni_header DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/testmod_jni.h")
			add_dependencies (testmod_jni jni_header)
		else ()
			message (WARNING "jna bindings are required for testing, test deactivated")
		endif ()
	endif (ENABLE_BROKEN_TESTS)
endif ()
