# Copyright 1999-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6

PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
if [[ ${PV} = *9999 ]]; then
	EGIT_REPO_URI="https://github.com/Exiv2/exiv2.git"
	EGIT_BRANCH="0.26"
	GIT_ECLASS=git-r3
else
	COMMIT=900d2417dbeb46e14cbf65fc2798ed1d043ab76d
	SRC_URI="https://github.com/Exiv2/${PN}/tarball/${COMMIT} -> ${P}.tar.gz"
	KEYWORDS="amd64 arm arm64 ~mips ppc x86"
fi
inherit cmake-multilib python-any-r1 vcs-snapshot

DESCRIPTION="EXIF, IPTC and XMP metadata C++ library and command line utility"
HOMEPAGE="http://www.exiv2.org/"

LICENSE="GPL-2"
SLOT="0/26"
IUSE="doc examples nls png webready xmp"

RDEPEND="
	>=virtual/libiconv-0-r1[${MULTILIB_USEDEP}]
	nls? ( >=virtual/libintl-0-r1[${MULTILIB_USEDEP}] )
	png? ( >=sys-libs/zlib-1.2.8-r1[${MULTILIB_USEDEP}] )
	webready? (
		net-libs/libssh[${MULTILIB_USEDEP}]
		net-misc/curl[${MULTILIB_USEDEP}]
	)
	xmp? ( >=dev-libs/expat-2.1.0-r3[${MULTILIB_USEDEP}] )
"
DEPEND="${RDEPEND}
	doc? (
		${PYTHON_DEPS}
		app-doc/doxygen
		dev-libs/libxslt
		media-gfx/graphviz
		virtual/pkgconfig
	)
	nls? ( sys-devel/gettext )
"

DOCS=( README doc/ChangeLog doc/cmd.txt )

PATCHES=(
	# TODO: Take to upstream
	"${FILESDIR}"/${PN}-0.26-fix-docs.patch
	"${FILESDIR}"/${PN}-0.26-tools-optional.patch
	"${FILESDIR}"/${PN}-0.26-musl.patch
)

pkg_setup() {
	use doc && python-any-r1_pkg_setup
}

src_prepare() {
	if [[ ${PV} != *9999 ]] ; then
		if [[ -d po ]] ; then
			pushd po > /dev/null || die
			local lang
			for lang in *.po; do
				if [[ -e ${lang} ]] \
						&& ! has ${lang/.po/} ${LINGUAS-${lang/.po/}} ; then
					case ${lang} in
						CMakeLists.txt | \
						${PN}.pot)      ;;
						*) rm -r ${lang} || die ;;
					esac
				fi
			done
			popd > /dev/null || die
		else
			die "Failed to prepare LINGUAS - po directory moved?"
		fi
	fi

	# FIXME @upstream:
	einfo "Converting doc/cmd.txt to UTF-8"
	iconv -f LATIN1 -t UTF-8 doc/cmd.txt > doc/cmd.txt.tmp || die
	mv -f doc/cmd.txt.tmp doc/cmd.txt || die

	if use doc; then
		einfo "Updating doxygen config"
		doxygen &>/dev/null -u config/Doxyfile || die
	fi

	cmake-utils_src_prepare
}

multilib_src_configure() {
	local mycmakeargs=(
		-DEXIV2_ENABLE_BUILD_SAMPLES=NO
		-DEXIV2_ENABLE_BUILD_PO=$(usex nls)
		-DEXIV2_ENABLE_NLS=$(usex nls)
		-DEXIV2_ENABLE_PNG=$(usex png)
		-DEXIV2_ENABLE_CURL=$(usex webready)
		-DEXIV2_ENABLE_SSH=$(usex webready)
		-DEXIV2_ENABLE_WEBREADY=$(usex webready)
		-DEXIV2_ENABLE_XMP=$(usex xmp)
		-DEXIV2_ENABLE_LIBXMP=NO
		$(multilib_is_native_abi || echo -DEXIV2_ENABLE_TOOLS=NO)
	)

	cmake-utils_src_configure
}

multilib_src_compile() {
	cmake-utils_src_compile

	if multilib_is_native_abi; then
		use doc && emake -j1 doc
	fi
}

multilib_src_install_all() {
	use xmp && DOCS+=( doc/{COPYING-XMPSDK,README-XMP,cmdxmp.txt} )
	use doc && HTML_DOCS=( "${S}"/doc/html/. )

	einstalldocs
	find "${D}" -name '*.la' -delete || die

	if use examples; then
		docinto examples
		dodoc samples/*.cpp
	fi
}