include(vcpkg_common_functions)
set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/libpng-1.6.24)

vcpkg_download_distfile(ARCHIVE
    URLS "http://download.sourceforge.net/libpng/libpng-1.6.24.tar.xz"
    FILENAME "libpng-1.6.24.tar.xz"
    SHA512 7eccb90f530a9c728e280b2b1776304a808b5deea559632e7bcf4ea219c7cb5e453aa810215465304501127595000717d4b7c5b26a9f8e22e236ec04af53a90f
)
vcpkg_extract_source_archive(${ARCHIVE})
vcpkg_apply_patches(
    SOURCE_PATH ${SOURCE_PATH}
    PATCHES "${CMAKE_CURRENT_LIST_DIR}/use-abort-on-all-platforms.patch"
)

if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
    set(PNG_STATIC_LIBS OFF)
    set(PNG_SHARED_LIBS ON)
else()
    set(PNG_STATIC_LIBS ON)
    set(PNG_SHARED_LIBS OFF)
endif()

vcpkg_configure_cmake(
    SOURCE_PATH ${SOURCE_PATH}
    OPTIONS
        -DPNG_STATIC=${PNG_STATIC_LIBS}
        -DPNG_SHARED=${PNG_SHARED_LIBS}
        -DPNG_TESTS=OFF
        -DSKIP_INSTALL_PROGRAMS=ON
        -DSKIP_INSTALL_EXECUTABLES=ON
        -DSKIP_INSTALL_FILES=ON
    OPTIONS_DEBUG
        -DSKIP_INSTALL_HEADERS=ON
)

vcpkg_install_cmake()

if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
    file(RENAME ${CURRENT_PACKAGES_DIR}/lib/libpng16_static.lib ${CURRENT_PACKAGES_DIR}/lib/libpng16.lib)
    file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/libpng16_staticd.lib ${CURRENT_PACKAGES_DIR}/debug/lib/libpng16d.lib)
endif()

file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/share)
file(MAKE_DIRECTORY ${CURRENT_PACKAGES_DIR}/share)
file(RENAME ${CURRENT_PACKAGES_DIR}/lib/libpng ${CURRENT_PACKAGES_DIR}/share/libpng)
file(RENAME ${CURRENT_PACKAGES_DIR}/debug/lib/libpng/libpng16-debug.cmake ${CURRENT_PACKAGES_DIR}/share/libpng/libpng16-debug.cmake)
file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/lib/libpng)
file(COPY ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/libpng)
file(RENAME ${CURRENT_PACKAGES_DIR}/share/libpng/LICENSE ${CURRENT_PACKAGES_DIR}/share/libpng/copyright)

vcpkg_copy_pdbs()