project(Subsurface)
cmake_minimum_required(VERSION 2.8)

#options
SET(SUBSURFACE_QT_VERSION "4")
SET(CMAKE_AUTOMOC ON)
SET(CMAKE_AUTOUIC ON)
SET(CMAKE_MODULE_PATH ${${PROJECT_NAME}_SOURCE_DIR}/marbledata)

if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUXX)
  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 ")
endif()

INCLUDE_DIRECTORIES( . ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_BINARY_DIR} qt-ui qt-ui/profile)
FIND_PACKAGE(PkgConfig)

MACRO(pkg_config_library LIBNAME pcfile)
	pkg_check_modules(${LIBNAME} ${pcfile})
	include_directories(${${LIBNAME}_INCLUDE_DIRS})
	link_directories(${${LIBNAME}_LIBRARY_DIRS})
	add_definitions(${${LIBNAME}_CFLAGS_OTHER})
	set(SUBSURFACE_LINK_LIBRARIES ${SUBSURFACE_LINK_LIBRARIES} ${${LIBNAME}_LIBRARIES})
ENDMACRO()

pkg_config_library(LIBXML libxml-2.0)
pkg_config_library(LIBSQLITE3 sqlite3)
pkg_config_library(LIBGIT2 libgit2)
pkg_config_library(LIBXSLT libxslt)

STRING(COMPARE EQUAL "${${PROJECT_NAME}_SOURCE_DIR}" "${${PROJECT_NAME}_BINARY_DIR}" insource)
GET_FILENAME_COMPONENT(PARENTDIR ${${PROJECT_NAME}_SOURCE_DIR} PATH)
STRING(COMPARE EQUAL "${${PROJECT_NAME}_SOURCE_DIR}" "${PARENTDIR}" insourcesubdir)
IF(NOT (insource OR insourcedir))
	add_custom_target(link_marble_data ALL COMMAND rm -f marbledata && ln -s ${${PROJECT_NAME}_SOURCE_DIR}/marbledata ${${PROJECT_NAME}_BINARY_DIR}/marbledata)
ENDIF()

#configure Qt version.
IF(${SUBSURFACE_QT_VERSION} MATCHES "4")
	SET(QT_USE_QTNETWORK TRUE)
	SET(QT_USE_QTXML TRUE)
	SET(QT_USE_QTSVG TRUE)
	SET(QT_USE_QTTEST TRUE)
	SET(QT_USE_QTWEBKIT TRUE)
	FIND_PACKAGE(Qt4 REQUIRED)
	INCLUDE(${QT_USE_FILE})
	ADD_DEFINITIONS(${QT_DEFINITIONS})
	FIND_PACKAGE(Marble REQUIRED)
	INCLUDE_DIRECTORIES(${MARBLE_INCLUDE_DIR})
ELSEIF(${SUBSURFACE_QT_VERSION} MATCHES "5")
	ADD_DEFINITIONS(-DNO_MARBLE)
ELSE()
	message( FATAL_ERROR "Qt version should be 4 or 5" )
ENDIF()

# Generate the ssrf-config.h every 'make'
FILE(WRITE ${CMAKE_BINARY_DIR}/version.h.in "\#define VERSION_STRING \"4.1.\"@VERSION@\n")
FILE(WRITE ${CMAKE_BINARY_DIR}/version.cmake "EXECUTE_PROCESS(
	COMMAND date +\"%s\"
	OUTPUT_VARIABLE VERSION
	OUTPUT_STRIP_TRAILING_WHITESPACE
 )
 CONFIGURE_FILE(\${SRC} \${DST} @ONLY)
")
ADD_CUSTOM_TARGET(version ALL COMMAND
    ${CMAKE_COMMAND} -D SRC=${CMAKE_BINARY_DIR}/version.h.in
                     -D DST=${CMAKE_BINARY_DIR}/ssrf-version.h
                     -P ${CMAKE_BINARY_DIR}/version.cmake
)

# compile the core library, in C.
FILE(GLOB SUBSURFACE_CORE_LIB_SRCS *.c)
LIST(REMOVE_ITEM SUBSURFACE_CORE_LIB_SRCS
	${CMAKE_CURRENT_SOURCE_DIR}/windows.c
	${CMAKE_CURRENT_SOURCE_DIR}/macos.c
	${CMAKE_CURRENT_SOURCE_DIR}/cochran.c
)

FILE(GLOB SUBSURFACE_PROFILE_LIB_SRCS qt-ui/profile/*.cpp)
FILE(GLOB SUBSURFACE_UI qt-ui/*.ui)
FILE(GLOB SUBSURFACE_INTERFACE qt-ui/*.cpp)
FILE(GLOB SUBSURFACE_APP *.cpp )
IF(NOT (CMAKE_SYSTEM_NAME MATCHES Android))
	LIST(REMOVE_ITEM SUBSURFACE_APP ${CMAKE_CURRENT_SOURCE_DIR}/android.cpp)
ENDIF()

# to be replaced by QT_WRAP_UI on CMake 3.
IF(${SUBSURFACE_QT_VERSION} MATCHES "4")
    QT4_WRAP_UI( SUBSURFACE_UI_HDRS ${SUBSURFACE_UI} )
    QT4_ADD_RESOURCES( SUBSURFACE_QRC_HRDS subsurface.qrc )
ELSEIF(${SUBSURFACE_QT_VERSION} MATCHES "5")
    QT5_WRAP_UI( SUBSURFACE_UI_HDRS ${SUBSURFACE_UI} )
ENDIF()

ADD_LIBRARY(subsurface_corelib STATIC ${SUBSURFACE_CORE_LIB_SRCS} )
ADD_LIBRARY(subsurface_profile STATIC ${SUBSURFACE_PROFILE_LIB_SRCS})
ADD_LIBRARY(subsurface_generated_ui STATIC ${SUBSURFACE_UI_HDRS})
ADD_LIBRARY(subsurface_interface STATIC ${SUBSURFACE_INTERFACE})
ADD_EXECUTABLE(subsurface ${SUBSURFACE_APP} ${SUBSURFACE_QRC_HRDS} )

target_link_libraries( subsurface
  subsurface_generated_ui
  subsurface_interface
  subsurface_profile
  subsurface_corelib
  ${QT_LIBRARIES}
  ${MARBLE_LIBRARIES}
  ${SUBSURFACE_LINK_LIBRARIES}
  -ldivecomputer
  -lzip
)

ADD_DEPENDENCIES(subsurface_profile subsurface_generated_ui)
ADD_DEPENDENCIES(subsurface_interface subsurface_generated_ui)
ADD_DEPENDENCIES(subsurface_generated_ui version)

ENABLE_TESTING()
ADD_EXECUTABLE( TestUnitConversion tests/testunitconversion.cpp )
TARGET_LINK_LIBRARIES( TestUnitConversion ${QT_LIBRARIES})
ADD_TEST( NAME TestUnitConversion COMMAND TestUnitConversion)