cmake_minimum_required(VERSION 3.21.0)
project(KGC LANGUAGES C)

include(GNUInstallDirs)

set(MIRACL_INSTALL_INCLUDEDIR ${CMAKE_CURRENT_BINARY_DIR}/output/include)
set(MIRACL_INSTALL_LIBDIR ${CMAKE_CURRENT_BINARY_DIR}/output/temp)
set(MIRACL_INSTALL_BINDIR ${CMAKE_CURRENT_BINARY_DIR}/output/temp)
add_subdirectory(miracl)

aux_source_directory(. APP_SRC)

# 创建 KGC 静态库并链接 Miracl
add_library(${PROJECT_NAME} STATIC ${APP_SRC})

target_link_libraries(${PROJECT_NAME} PUBLIC Miracl)

target_include_directories(${PROJECT_NAME} PUBLIC
    include
    ${CMAKE_CURRENT_SOURCE_DIR}
)

file(GLOB_RECURSE MIRACL_HEADER_FILES ${CMAKE_CURRENT_BINARY_DIR}/miracl/*.h)
file(COPY ${MIRACL_HEADER_FILES} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/output/include")

file(GLOB HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/*.h)
file(COPY ${HEADER_FILES} DESTINATION "${CMAKE_CURRENT_BINARY_DIR}/output/include")

if(EXISTS "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.a" OR "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.lib")
    if(MSVC)
        file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.lib)
    else()
        file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.a)
    endif()
endif()

if(APPLE)
    add_custom_command(OUTPUT lib${PROJECT_NAME}All
        COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/output/lib"
        COMMAND libtool -static -o "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.a" $<TARGET_FILE:${PROJECT_NAME}> $<TARGET_FILE:Miracl>
        DEPENDS ${PROJECT_NAME} Miracl)
elseif(MSVC)
    add_custom_command(OUTPUT lib${PROJECT_NAME}All
        COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/output/lib"
        COMMAND lib.exe "-OUT:${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.lib" $<TARGET_FILE:${PROJECT_NAME}> $<TARGET_FILE:Miracl>
        DEPENDS ${PROJECT_NAME} Miracl)
elseif(WIN32)
    add_custom_command(OUTPUT lib${PROJECT_NAME}All
        COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/output/temp"
        COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/output/lib"
        COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${PROJECT_NAME}> $<TARGET_FILE:Miracl> "${CMAKE_CURRENT_BINARY_DIR}/output/temp"
        COMMAND cd "${CMAKE_CURRENT_BINARY_DIR}/output/temp"
        COMMAND ${CMAKE_AR} x "${CMAKE_CURRENT_BINARY_DIR}/output/temp/libMiracl.a"
        COMMAND ${CMAKE_AR} x "${CMAKE_CURRENT_BINARY_DIR}/output/temp/lib${PROJECT_NAME}.a"
        COMMAND ${CMAKE_AR} crs "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.a" "*.obj"
        DEPENDS ${PROJECT_NAME} Miracl
    )
else()
    add_custom_command(OUTPUT lib${PROJECT_NAME}All
        COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/output/temp"
        COMMAND ${CMAKE_COMMAND} -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/output/lib"
        COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_FILE:${PROJECT_NAME}> $<TARGET_FILE:Miracl> "${CMAKE_CURRENT_BINARY_DIR}/output/temp"
        COMMAND cd "${CMAKE_CURRENT_BINARY_DIR}/output/temp"
        COMMAND ${CMAKE_AR} x "${CMAKE_CURRENT_BINARY_DIR}/output/temp/libMiracl.a"
        COMMAND ${CMAKE_AR} x "${CMAKE_CURRENT_BINARY_DIR}/output/temp/lib${PROJECT_NAME}.a"
        COMMAND ${CMAKE_AR} crs "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.a" "*.o"
        DEPENDS ${PROJECT_NAME} Miracl
    )
endif()

add_custom_target(${PROJECT_NAME}All ALL DEPENDS lib${PROJECT_NAME}All)

if(KGC_INSTALL_BINDIR)
    set(CMAKE_INSTALL_BINDIR ${KGC_INSTALL_BINDIR})
endif()

if(KGC_INSTALL_LIBDIR)
    set(CMAKE_INSTALL_LIBDIR ${KGC_INSTALL_LIBDIR})
endif()

if(KGC_INSTALL_INCLUDEDIR)
    set(CMAKE_INSTALL_INCLUDEDIR ${KGC_INSTALL_INCLUDEDIR})
endif()

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

if(MSVC)
    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.lib"
        DESTINATION ${CMAKE_INSTALL_LIBDIR})
else()
    install(FILES "${CMAKE_CURRENT_BINARY_DIR}/output/lib/lib${PROJECT_NAME}All.a"
        DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()

file(GLOB HEADER_FILES ${CMAKE_CURRENT_BINARY_DIR}/output/include/*.h)
install(FILES ${HEADER_FILES} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})