#!/usr/bin/env sh

# Copyright (C) 2025 Red Hat, Inc.
# Original written by Antonio Vieiro <avieirov@redhat.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

if [ $# -ne 1 ]; then
    echo "Usage: $0 openjdk-root-directory"
    exit 1
fi

JDKROOT=$1

#
# Freetype
#
FREETYPE=src/java.desktop/share/native/libfreetype/include/freetype/freetype.h
ABS_FREETYPE="${JDKROOT}"/"${FREETYPE}"
if [ ! -f "${ABS_FREETYPE}" ]; then
    echo "Freetype header not found!"
    exit 2
fi
FREETYPE_VERSION=$(awk '/#define FREETYPE_MAJOR/ {MAJOR=$3} /#define FREETYPE_MINOR/ {MINOR=$3} /#define FREETYPE_PATCH/ {PATCH=$3} END {printf "%s.%s.%s", MAJOR, MINOR, PATCH}' "${ABS_FREETYPE}")
echo "# Version in ${FREETYPE}"
echo "Provides: bundled(freetype) = ${FREETYPE_VERSION}"

# giflib
GIFLIB=src/java.desktop/share/native/libsplashscreen/giflib/gif_lib.h
ABS_GIFLIB="${JDKROOT}"/"${GIFLIB}"
if [ ! -f "${ABS_GIFLIB}" ]; then
    echo "giflib header not found!"
    exit 3
fi
GIFLIB_VERSION=$(awk '/#define GIFLIB_MAJOR/ {MAJOR=$3} /#define GIFLIB_MINOR/ {MINOR=$3} /#define GIFLIB_RELEASE/ {PATCH=$3} END {printf "%s.%s.%s", MAJOR, MINOR, PATCH}' "${ABS_GIFLIB}")
echo "# Version in ${GIFLIB}"
echo "Provides: bundled(giflib) = ${GIFLIB_VERSION}"

# hatfbuzz
HARFBUZZ=src/java.desktop/share/native/libharfbuzz/hb-version.h
ABS_HARFBUZZ="${JDKROOT}/${HARFBUZZ}"
if [ ! -f "${ABS_HARFBUZZ}" ]; then
    echo "HarfBuzz header not found!"
    exit 4
fi
HARFBUZZ_VERSION=$(awk '/#define HB_VERSION_MAJOR/ {MAJOR=$3} /#define HB_VERSION_MINOR/ {MINOR=$3} /#define HB_VERSION_MICRO/ {PATCH=$3} END {printf "%s.%s.%s", MAJOR, MINOR, PATCH}' "${ABS_HARFBUZZ}")
echo "# Version in ${HARFBUZZ}"
echo "Provides: bundled(harfbuzz) = ${HARFBUZZ_VERSION}"

# lcms
LCMS=src/java.desktop/share/native/liblcms/lcms2.h
ABS_LCMS="${JDKROOT}"/"${LCMS}"
if [ ! -f "${ABS_LCMS}" ]; then
    echo "lcms header not found!"
    exit 5
fi
LCMS_VERSION=$(awk '/#define LCMS_VERSION/ { MAJOR=int($3 / 1000); REST=$3 % 1000; MINOR=int(REST / 10); PATCH=REST % 10; } END {printf "%s.%s.%s", MAJOR, MINOR, PATCH}' "${ABS_LCMS}")
echo "# Version in ${LCMS}"
echo "Provides: bundled(lcms2) = ${LCMS_VERSION}"

# jpeg
JPEG=src/java.desktop/share/native/libjavajpeg/jpeglib.h
ABS_JPEG="${JDKROOT}"/"${JPEG}"
if [ ! -f "${ABS_JPEG}" ]; then
    echo "jpeg header not found!"
    exit 6
fi
JPEG_VERSION=$(awk '/#define JPEG_LIB_VERSION/ { VERSION=$3; MAJOR=int(VERSION / 10); MINOR=VERSION%10; } END {printf "%s%c", MAJOR, (MINOR+96)}' "${ABS_JPEG}")
echo "# Version in ${JPEG}"
echo "Provides: bundled(libjpeg) = ${JPEG_VERSION}"

# png
PNG=src/java.desktop/share/native/libsplashscreen/libpng/png.h
ABS_PNG="${JDKROOT}"/"${PNG}"
if [ ! -f "${ABS_PNG}" ]; then
    echo "png header not found!"
    exit 7
fi
PNG_VERSION=$(awk '/#define PNG_LIBPNG_VER_STRING/ { VERSION=$3; gsub("\"", "", VERSION) } END {print VERSION}' "${ABS_PNG}")
echo "# Version in ${PNG}"
echo "Provides: bundled(libpng) = ${PNG_VERSION}"

# zlib
ZLIB=src/java.base/share/native/libzip/zlib/zlib.h
ABS_ZLIB="${JDKROOT}"/"${ZLIB}"
if [ ! -f "${ABS_ZLIB}" ]; then
    echo "zlib header not found!"
    exit 8
fi
ZLIB_VERSION=$(awk '/#define ZLIB_VERSION/ { VERSION=$3; gsub("\"", "", VERSION) } END {print VERSION}' "${ABS_ZLIB}")
echo "# Version in ${ZLIB}"
echo "Provides: bundled(zlib) = ${ZLIB_VERSION}"

# Local Variables:
# compile-command: "shellcheck get_bundle_versions.sh"
# fill-column: 80
# indent-tabs-mode: nil
# sh-basic-offset: 4
# End: