cmake_minimum_required(VERSION 3.14)

project(KaZoe-Settings VERSION 1.0.0 LANGUAGES CXX)

option(WITH_PYTHON "Create python binding" ON)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

find_package (Threads REQUIRED)

add_library(KaZoeSettings SHARED
  src/settings.h      src/settings.cpp
  src/changewatcher.h src/changewatcher.cpp
)
set_target_properties(KaZoeSettings PROPERTIES VERSION ${CMAKE_PROJECT_VERSION} SOVERSION 1)
set_target_properties(KaZoeSettings PROPERTIES PUBLIC_HEADER "src/settings.h")
target_link_libraries(KaZoeSettings PRIVATE Threads::Threads)

add_executable(ksettings cmd/ksettings.cpp)
target_include_directories(ksettings PRIVATE src)
target_link_libraries(ksettings KaZoeSettings)

install(TARGETS KaZoeSettings
    EXPORT "KaZoeSettingsTargets"
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
    PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_PREFIX}/include/KaZoe/"
)

install(TARGETS ksettings
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)

if(WITH_PYTHON)
    message(STATUS "Build with python binding")
    find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
    set(PYTHON_MODULE_EXTENSION ".so" CACHE INTERNAL "Cross python lib extension")
    find_package(pybind11 REQUIRED)
    include_directories(${Python3_INCLUDE_DIRS})
    pybind11_add_module(PyKaZoeSettings python/bindings.cpp)
    set_target_properties(PyKaZoeSettings PROPERTIES OUTPUT_NAME "KaZoeSettings")
    target_link_libraries(PyKaZoeSettings PUBLIC KaZoeSettings ${PYTHON_LIBRARY})
    install(TARGETS PyKaZoeSettings LIBRARY DESTINATION ${Python3_SITEARCH})
endif(WITH_PYTHON)


# CMake Module
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
    "${CMAKE_CURRENT_BINARY_DIR}/generated/KaZoeSettingsConfigVersion.cmake" COMPATIBILITY SameMajorVersion
)

configure_package_config_file(
    "cmake/Config.cmake.in"
    "${CMAKE_CURRENT_BINARY_DIR}/generated/KaZoeSettingsConfig.cmake"
    INSTALL_DESTINATION "lib/cmake/${PROJECT_NAME}"
)

install(
    FILES "${CMAKE_CURRENT_BINARY_DIR}/generated/KaZoeSettingsConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/generated/KaZoeSettingsConfigVersion.cmake"
    DESTINATION "lib/cmake/${PROJECT_NAME}"
)

install(
    EXPORT "KaZoeSettingsTargets"
    DESTINATION "lib/cmake/${PROJECT_NAME}"
)

include(cmake/CPack.cmake)