# - Try to find CFITSIO
# Once done this will define
#
#  CFITSIO_FOUND - system has CFITSIO
#  CFITSIO_INCLUDE_DIR - the CFITSIO include directory
#  CFITSIO_LIBRARIES - Link these to use CFITSIO

# SPDX-FileCopyrightText: 2006 Jasem Mutlaq <mutlaqja@ikarustech.com>
#
# Based on FindLibfacile:
# SPDX-FileCopyrightText: Carsten Niehaus, <cniehaus@gmx.de>
#
# SPDX-License-Identifier: BSD-3-Clause

if (CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)

  # in cache already
  set(CFITSIO_FOUND TRUE)
  message(STATUS "Found CFITSIO: ${CFITSIO_LIBRARIES}")


else (CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)

  if (NOT WIN32)
    find_package(PkgConfig)
    if (PKG_CONFIG_FOUND)
      pkg_check_modules(PC_CFITSIO cfitsio)
    endif (PKG_CONFIG_FOUND)
  endif (NOT WIN32)

    if(ANDROID)
        find_path(CFITSIO_INCLUDE_DIR fitsio.h
            ${BUILD_KSTARSLITE_DIR}/include
            NO_DEFAULT_PATH
        )
    else(ANDROID)
        find_path(CFITSIO_INCLUDE_DIR fitsio.h
            ${PC_CFITSIO_INCLUDE_DIRS}
            ${_obIncDir}
            ${GNUWIN32_DIR}/include
        )
    endif(ANDROID)

  find_library(CFITSIO_LIBRARIES NAMES cfitsio libcfitsio
    PATHS
    if(ANDROID)
          ${BUILD_KSTARSLITE_DIR}/android_libs/${ANDROID_ARCHITECTURE}
    else(ANDROID)
        ${PC_CFITSIO_LIBRARY_DIRS}
        ${_obIncDir}
        ${GNUWIN32_DIR}/include
    endif(ANDROID)
  )

  if(CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)
    set(CFITSIO_FOUND TRUE)
  else (CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)
    set(CFITSIO_FOUND FALSE)
  endif(CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)

  if (CFITSIO_FOUND)
    if (NOT CFitsio_FIND_QUIETLY)
      message(STATUS "Found CFITSIO: ${CFITSIO_LIBRARIES}")
    endif (NOT CFitsio_FIND_QUIETLY)
  else (CFITSIO_FOUND)
    if (CFitsio_FIND_REQUIRED)
      message(FATAL_ERROR "CFITSIO not found. Please install libcfitsio-dev and try again.")
    endif (CFitsio_FIND_REQUIRED)
  endif (CFITSIO_FOUND)

  mark_as_advanced(CFITSIO_INCLUDE_DIR CFITSIO_LIBRARIES)

endif (CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)