include(vcpkg_common_functions)
#removes current source to prevent static builds from using patched source code
file(REMOVE_RECURSE ${CURRENT_BUILDTREES_DIR}/src)

set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/CCfits)

vcpkg_download_distfile(ARCHIVE
    URLS "https://heasarc.gsfc.nasa.gov/fitsio/ccfits/CCfits-2.5.tar.gz"
    FILENAME "CCfits-2.5.tar.gz"
    SHA512 63ab4d153063960510cf60651d5c832824cf85f937f84adc5390c7c2fb46eb8e9f5d8cda2554d79d24c7a4f1b6cf0b7a6e20958fb69920b65d7c362c0a5f26b5
)
vcpkg_extract_source_archive(${ARCHIVE})

if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
    vcpkg_apply_patches(
        SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/CCfits
        PATCHES "${CMAKE_CURRENT_LIST_DIR}/dll_exports.patch"
    )
endif()

vcpkg_configure_cmake(
    SOURCE_PATH ${SOURCE_PATH}
    PREFER_NINJA
    OPTIONS
        -DCFITSIO_INCLUDE_DIR=${CURRENT_INSTALLED_DIR}/include/cfitsio
)

vcpkg_install_cmake()

if(VCPKG_LIBRARY_LINKAGE STREQUAL "dynamic")
    file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/bin)
    file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/debug/bin)
    file(RENAME ${CURRENT_PACKAGES_DIR}/lib/CCfits.dll ${CURRENT_PACKAGES_DIR}/bin/CCfits.dll)
    file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/CCfits.dll ${CURRENT_PACKAGES_DIR}/debug/bin/CCfits.dll)
endif()

# Remove duplicate include files
file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/include)

# Patch installed headers to look in the correct subdirectory
file(GLOB HEADERS ${CURRENT_PACKAGES_DIR}/include/CCfits/*)
foreach(HEADER IN LISTS HEADERS)
    file(READ "${HEADER}" _contents)
    string(REPLACE "\"fitsio.h\"" "\"cfitsio/fitsio.h\"" _contents "${_contents}")
    file(WRITE "${HEADER}" "${_contents}")
endforeach()

# Handle copyright
file(INSTALL ${SOURCE_PATH}/License.txt DESTINATION ${CURRENT_PACKAGES_DIR}/share/ccfits RENAME copyright)