cmake_minimum_required(VERSION 3.5)
project(lb_example_app LANGUAGES C VERSION 0.0.2)

include(GNUInstallDirs)

option(BUILD_TEST "Build test_package" OFF)
option(BUILD_ENABLE_DBUS_SYSTEM "Run with DBus system bus" ON)
option(BUILD_ENABLE_DBUS_SESSION "Run with DBus session bus" ON)

message(STATUS "Start generating code")
execute_process(COMMAND lbk gen RESULT_VARIABLE ret)
if(ret AND NOT ret EQUAL 0)
    message(FATAL_ERROR "Generating code failed")
endif()
if (BUILD_TEST)
add_definitions(-DBUILD_TEST)
endif()

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D__FILENAME__='\"$(notdir $(abspath $(patsubst %.o,%,$@)))\"'")

find_package(PkgConfig REQUIRED)
pkg_check_modules(LB_CORE REQUIRED lb_core)
pkg_check_modules(GLIB2 REQUIRED glib-2.0)
pkg_check_modules(GIO2 REQUIRED gio-2.0)
pkg_check_modules(TEST_PUB REQUIRED lbTest-public)
pkg_check_modules(TEST_SRV REQUIRED lbTest-server)
pkg_check_modules(DBUS_CLI REQUIRED DBus-client)

if (CMAKE_BUILD_TYPE STREQUAL "Release")
    add_definitions("-DG_DISABLE_ASSERT")
endif()

aux_source_directory(./src SRC_LIST)
list(SORT SRC_LIST)
add_executable(${PROJECT_NAME} ${SRC_LIST})

target_include_directories(${PROJECT_NAME} PUBLIC
    inc
    ${LB_CORE_INCLUDE_DIRS}
    ${GLIB2_INCLUDE_DIRS}
    ${GIO2_INCLUDE_DIRS}
    ${TEST_PUB_INCLUDE_DIRS}
    ${TEST_SRV_INCLUDE_DIRS}
    ${DBUS_CLI_INCLUDE_DIRS}
)
target_link_libraries(${PROJECT_NAME} PUBLIC
    ${GLIB2_LIBRARIES}
    ${GIO2_LIBRARIES}
    ${LB_CORE_LIBRARIES}
    ${TEST_PUB_LIBRARIES}
    ${TEST_SRV_LIBRARIES}
    ${DBUS_CLI_LIBRARIES}
)
target_link_directories(${PROJECT_NAME} PUBLIC
    ${LB_CORE_LIBRARY_DIRS}
    ${TEST_PUB_LIBRARY_DIRS}
    ${TEST_SRV_LIBRARY_DIRS}
    ${DBUS_CLI_LIBRARY_DIRS}
)

if (BUILD_TEST)
add_subdirectory(test_package)
endif()

install(TARGETS ${PROJECT_NAME} DESTINATION opt/litebmc/apps/lb_example_app/)
install(DIRECTORY rootfs/ DESTINATION .)
install(DIRECTORY DESTINATION ${CMAKE_INSTALL_PREFIX}/etc/systemd/system/multi-user.target.wants)
if (BUILD_ENABLE_DBUS_SESSION)
install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E
    create_symlink /usr/lib/systemd/system/${PROJECT_NAME}@.service
    ${CMAKE_INSTALL_PREFIX}/etc/systemd/system/multi-user.target.wants/${PROJECT_NAME}@session.service)")
endif()
if (BUILD_ENABLE_DBUS_SYSTEM)
install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E
    create_symlink /usr/lib/systemd/system/${PROJECT_NAME}@.service
    ${CMAKE_INSTALL_PREFIX}/etc/systemd/system/multi-user.target.wants/${PROJECT_NAME}@system.service)")
endif()
