set(TARGET_NAME nfd)

set(PUBLIC_HEADER_FILES
  include/nfd.h
  include/nfd.hpp)

set(SOURCE_FILES ${PUBLIC_HEADER_FILES})

if(nfd_PLATFORM STREQUAL PLATFORM_WIN32)
  list(APPEND SOURCE_FILES nfd_win.cpp)
endif()

if(nfd_PLATFORM STREQUAL PLATFORM_LINUX)
  find_package(PkgConfig REQUIRED)
  # for Linux, we support GTK3 and xdg-desktop-portal
  option(NFD_PORTAL "Use xdg-desktop-portal instead of GTK" OFF)
  if(NOT NFD_PORTAL)
    pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
    message("Using GTK version: ${GTK3_VERSION}")
    list(APPEND SOURCE_FILES nfd_gtk.cpp)
  else()
    pkg_check_modules(DBUS REQUIRED dbus-1)
    message("Using DBUS version: ${DBUS_VERSION}")
    list(APPEND SOURCE_FILES nfd_portal.cpp)
  endif()
endif()

if(nfd_PLATFORM STREQUAL PLATFORM_MACOS)
  find_library(APPKIT_LIBRARY AppKit)
  list(APPEND SOURCE_FILES nfd_cocoa.m)
endif()

# Define the library
add_library(${TARGET_NAME} OBJECT
  ${SOURCE_FILES})

# Allow includes from include/
target_include_directories(${TARGET_NAME}
  PUBLIC include/)

if(nfd_PLATFORM STREQUAL PLATFORM_LINUX)
  if(NOT NFD_PORTAL)
    target_include_directories(${TARGET_NAME}
      PRIVATE ${GTK3_INCLUDE_DIRS})
    target_link_libraries(${TARGET_NAME}
      PRIVATE ${GTK3_LIBRARIES})
  else()
    target_include_directories(${TARGET_NAME}
      PRIVATE ${DBUS_INCLUDE_DIRS})
    target_link_libraries(${TARGET_NAME}
      PRIVATE ${DBUS_LIBRARIES})
    target_compile_definitions(${TARGET_NAME}
      PUBLIC NFD_PORTAL)
  endif()
endif()

if(nfd_PLATFORM STREQUAL PLATFORM_MACOS)
  target_link_libraries(${TARGET_NAME}
    PRIVATE ${APPKIT_LIBRARY})
endif()

if(nfd_COMPILER STREQUAL COMPILER_MSVC)
  string(REPLACE "/EHsc" "/EHs-c-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  string(REPLACE "/GR" "/GR-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  set_property(TARGET ${TARGET_NAME} APPEND_STRING PROPERTY STATIC_LIBRARY_OPTIONS /NODEFAULTLIB)
endif()

if(nfd_COMPILER STREQUAL COMPILER_CLANGCL)
  string(REPLACE "/EHsc" "/EHs-c-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
  string(REPLACE "/GR" "/GR-" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
endif()

if(nfd_COMPILER STREQUAL COMPILER_GNU)
  target_compile_options(${TARGET_NAME} PRIVATE -nostdlib -fno-exceptions -fno-rtti)
endif()

set_target_properties(${TARGET_NAME} PROPERTIES PUBLIC_HEADER "${PUBLIC_HEADER_FILES}")

install(TARGETS ${TARGET_NAME} LIBRARY DESTINATION lib ARCHIVE DESTINATION lib PUBLIC_HEADER DESTINATION include)