#!/usr/bin/env bash
#
# Copyright (C) 2016-2024 Savoir-faire Linux Inc.
#
# Author: Alexandre Viau <alexandre.viau@savoirfairelinux.com>
# Author: Maxim Cournoyer <maxim.cournoyer@savoirfairelinux.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This script is used in the packaging containers to build packages on
# rpm-based distros.
#
set -e

# Import the spec file.
mkdir -p /opt/client-qt
cd /opt/client-qt
tar xf "/src/$RELEASE_TARBALL_FILENAME" --wildcards 'jami-*/extras/packaging/gnu-linux/rules/rpm' \
    --strip-components=5 && mv rpm/* . && rmdir rpm
rm jami-libqt.spec

# Prepare the build tree.
rpmdev-setuptree

# Copy the source tarball.
cp --reflink=auto "/src/$RELEASE_TARBALL_FILENAME" /root/rpmbuild/SOURCES

QT_JAMI_PREFIX="/usr/lib64/qt-jami"
PATH="${QT_JAMI_PREFIX}/bin:${PATH}"
LD_LIBRARY_PATH="${QT_JAMI_PREFIX}/lib:${LD_LIBRARY_PATH}"
PKG_CONFIG_PATH="${QT_JAMI_PREFIX}/lib/pkgconfig:${PKG_CONFIG_PATH}"
CMAKE_PREFIX_PATH="${QT_JAMI_PREFIX}/lib/cmake:${CMAKE_PREFIX_PATH}"
QT_MAJOR=6
QT_MINOR=6
QT_PATCH=1
QT_RELEASE_PATCH=1

QT_MAJOR_MINOR=${QT_MAJOR}.${QT_MINOR}
QT_MAJOR_MINOR_PATCH=${QT_MAJOR}.${QT_MINOR}.${QT_PATCH}

QT_TARBALL_URL=https://download.qt.io/archive/qt/$QT_MAJOR_MINOR/\
$QT_MAJOR_MINOR_PATCH/single/qt-everywhere-src-$QT_MAJOR_MINOR_PATCH.tar.xz

QT_TARBALL_SHA256="dd3668f65645fe270bc615d748bd4dc048bd17b9dc297025106e6ecc419ab95d"
QT_TARBALL_FILE_NAME=$(basename "$QT_TARBALL_URL")
CACHED_QT_TARBALL=$TARBALLS/$QT_TARBALL_FILE_NAME

mkdir -p "$TARBALLS/$DISTRIBUTION"
RPM_PATH=$TARBALLS/$DISTRIBUTION/jami-libqt-$QT_MAJOR_MINOR_PATCH-${QT_RELEASE_PATCH}.x86_64.rpm
if [[ "${DISTRIBUTION:0:4}" == "rhel" ]]; then
    RPM_PATH=$TARBALLS/${DISTRIBUTION}/jami-libqt-$QT_MAJOR_MINOR_PATCH-${QT_RELEASE_PATCH}.el8.x86_64.rpm
fi

if [ ! -f "${RPM_PATH}" ]; then
    # The following block will only run on one build machine at a
    # time, thanks to flock.
    (
        flock 9             # block until the lock is available
        test -f "$RPM_PATH" && exit 0 # check again

        mkdir /opt/qt-jami-build
        cd /opt/qt-jami-build
        tar xf "/src/$RELEASE_TARBALL_FILENAME" \
            --wildcards 'jami-*/extras/packaging/gnu-linux/rules/rpm/jami-libqt.spec' \
            --strip-components=6

        # Fetch and cache the tarball, if not already available.
        if [ ! -f "$CACHED_QT_TARBALL" ]; then
            (
                flock 8     # block until the lock file is gone
                test -f "$CACHED_QT_TARBALL" && exit 0 # check again

                wget "$QT_TARBALL_URL"
                if ! echo -n ${QT_TARBALL_SHA256} "$QT_TARBALL_FILE_NAME" | sha256sum -c -
                then
                    echo "qt tarball checksum mismatch; quitting"
                    exit 1
                fi
                mv "$QT_TARBALL_FILE_NAME" "$CACHED_QT_TARBALL"
            ) 8>"${CACHED_QT_TARBALL}.lock"
        fi

        cp "$CACHED_QT_TARBALL" "/root/rpmbuild/SOURCES/jami-libqt-$QT_MAJOR_MINOR_PATCH.tar.xz"
        sed -i "s/RELEASE_VERSION/$QT_MAJOR_MINOR_PATCH/g" jami-libqt.spec
        rpmdev-bumpspec --comment="Automatic nightly release" \
                        --userstring="Jenkins <jami@lists.savoirfairelinux.net>" jami-libqt.spec

        rpmbuild --define "debug_package %{nil}" -ba jami-libqt.spec
        # Note: try to remove with Qt > 6. Else we have a problem with $ORIGIN
        mkdir -p "$TARBALLS/${DISTRIBUTION}"

        # Cache the built Qt RPM package.
        if [[ "${DISTRIBUTION:0:4}" == "rhel" ]]; then
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-$QT_MAJOR_MINOR_PATCH-*.el8.x86_64.rpm "${RPM_PATH}"
        elif [[ "${DISTRIBUTION}" == "fedora_36" ]]; then
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-$QT_MAJOR_MINOR_PATCH-*.fc36.x86_64.rpm "${RPM_PATH}"
        elif [[ "${DISTRIBUTION}" == "fedora_37" ]]; then
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-$QT_MAJOR_MINOR_PATCH-*.fc37.x86_64.rpm "${RPM_PATH}"
        elif [[ "${DISTRIBUTION}" == "fedora_38" ]]; then
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-$QT_MAJOR_MINOR_PATCH-*.fc38.x86_64.rpm "${RPM_PATH}"
        elif [[ "${DISTRIBUTION}" == "fedora_39" ]]; then
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-$QT_MAJOR_MINOR_PATCH-*.fc39.x86_64.rpm "${RPM_PATH}"
        elif [[ "${DISTRIBUTION}" == "alma_9" ]]; then
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-$QT_MAJOR_MINOR_PATCH-*.el9.x86_64.rpm "${RPM_PATH}"
        else
            cp /root/rpmbuild/RPMS/x86_64/jami-libqt-*.rpm "${RPM_PATH}"
        fi
    ) 9>"${RPM_PATH}.lock"
fi
rpm --install "${RPM_PATH}"
cp "${RPM_PATH}" /opt/output
cd /opt/client-qt

# Set the version and associated comment.
sed -i "s/RELEASE_VERSION/${RELEASE_VERSION}/g" ./*.spec
rpmdev-bumpspec --comment="Automatic nightly release" \
                --userstring="Jenkins <jami@lists.savoirfairelinux.net>" ./*.spec

# Build the daemon and install it.
rpmbuild --define "debug_package %{nil}" -ba jami-daemon.spec
rpm --install /root/rpmbuild/RPMS/x86_64/jami-daemon-*

# Build the temporary transitional packages.
rpmbuild --define "debug_package %{nil}" -ba jami-libclient.spec
rpmbuild --define "debug_package %{nil}" -ba jami-qt.spec

# Build the Qt client.
rpmbuild --define "debug_package %{nil}" -ba jami.spec

# Move the built packages to the output directory.
mv /root/rpmbuild/RPMS/*/* /opt/output
touch /opt/output/.packages-built
chown -R "$CURRENT_UID:$CURRENT_UID" /opt/output
chown -R "${CURRENT_UID}:${CURRENT_UID}" .

# TODO: One click install: create a package that combines the already
# built package into one.