###############################################################################
#
# :: For UNIX-like systems that have pkg-config.
#
###############################################################################

include(ModulePackage)

find_package(Threads REQUIRED)

find_library(NCURSES_LIBRARIES      ncurses      )
find_library(UTIL_LIBRARIES         util         )
find_library(RT_LIBRARIES           rt           )

# For toxcore.
pkg_use_module(LIBSODIUM            libsodium    )

# For toxav.
pkg_use_module(OPUS                 opus         )
pkg_use_module(VPX                  vpx          )

# For tox-bootstrapd.
pkg_use_module(LIBCONFIG            libconfig    )

# For auto tests.
pkg_use_module(CHECK                check        )

# For tox-spectest.
pkg_use_module(MSGPACK              msgpack      )

# For av_test.
pkg_use_module(OPENCV               opencv       )
pkg_use_module(PORTAUDIO            portaudio-2.0)
pkg_use_module(SNDFILE              sndfile      )

###############################################################################
#
# :: For MSVC Windows builds.
#
# These require specific installation paths of dependencies:
# - libsodium in libsodium/Win32/Release/v140/static
# - pthreads in pthreads-win32/Pre-built.2
# - check in %PROGRAMFILES%/check
#
###############################################################################

if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
  # libsodium
  # ---------
  find_library(LIBSODIUM_LIBRARIES
    NAMES sodium libsodium
    PATHS
      "libsodium/Win32/Release/v140/static"
      "libsodium/x64/Release/v140/static"
  )
  if(LIBSODIUM_LIBRARIES)
    include_directories("libsodium/include")
    set(LIBSODIUM_FOUND TRUE)
    add_definitions(-DSODIUM_STATIC)
    message("libsodium: ${LIBSODIUM_LIBRARIES}")
  else()
    message(FATAL_ERROR "libsodium libraries not found")
  endif()

  # check
  # -----
  #
  # We look for the check and compat (containing clock_gettime and other POSIX
  # functions not present on Windows) libraries in Program Files, since that is
  # the default location where cmake installs its packages.
  find_library(LIBCHECK_LIBRARIES
    NAMES check libcheck
    PATHS "$ENV{PROGRAMFILES}/check/lib"
  )
  find_library(LIBCOMPAT_LIBRARIES
    NAMES compat libcompat
    PATHS "$ENV{PROGRAMFILES}/check/lib"
  )
  if(LIBCHECK_LIBRARIES AND LIBCOMPAT_LIBRARIES)
    include_directories("$ENV{PROGRAMFILES}/check/include")
    set(CHECK_FOUND TRUE)
    set(CHECK_LIBRARIES ${LIBCHECK_LIBRARIES} ${LIBCOMPAT_LIBRARIES})
    message("check: ${CHECK_LIBRARIES}")
  endif()

  # pthreads
  # --------
  if(CMAKE_USE_WIN32_THREADS_INIT)
    find_library(CMAKE_THREAD_LIBS_INIT
      NAMES pthreadVC2
      PATHS
        "pthreads-win32/Pre-built.2/lib/x86"
        "pthreads-win32/Pre-built.2/lib/x64"
    )
    if(CMAKE_THREAD_LIBS_INIT)
      include_directories("pthreads-win32/Pre-built.2/include")
      add_definitions(-DHAVE_STRUCT_TIMESPEC)
      message("libpthreads: ${CMAKE_THREAD_LIBS_INIT}")
    else()
      message(FATAL_ERROR "libpthreads libraries not found")
    endif()
  endif()
endif()