#!/usr/bin/env bash
#
# Copyright (c) 2024 YunoHost Contributors
#
# This file is part of YunoHost (see https://yunohost.org)
#
# 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/>.
#

set -e

do_configure() {

    mkdir -p /etc/yunohost
    mkdir -p /etc/yunohost/apps
    mkdir -p /etc/yunohost/portal

    if [ ! -f /etc/yunohost/installed ]; then
        # If apps/ is not empty, we're probably already installed in the past and
        # something funky happened ...
        if [ -d /etc/yunohost/apps/ ] && ls /etc/yunohost/apps/* >/dev/null 2>&1; then
            echo "Sounds like /etc/yunohost/installed mysteriously disappeared ... You should probably contact the Yunohost support ..."
        else
            export YNH_SETTINGS='{}'
            bash /usr/share/yunohost/hooks/conf_regen/01-yunohost init
            bash /usr/share/yunohost/hooks/conf_regen/02-ssl init
            bash /usr/share/yunohost/hooks/conf_regen/09-nslcd init
            bash /usr/share/yunohost/hooks/conf_regen/46-nsswitch init
            bash /usr/share/yunohost/hooks/conf_regen/43-dnsmasq init
            bash /usr/share/yunohost/hooks/conf_regen/06-slapd init
            bash /usr/share/yunohost/hooks/conf_regen/15-nginx init
            bash /usr/share/yunohost/hooks/conf_regen/37-mdns init
        fi
    else
        echo "Regenerating configuration, this might take a while..."
        yunohost app ssowatconf
        yunohost tools regen-conf --output-as none

        echo "Launching migrations..."
        yunohost tools migrations run --auto

        echo "Re-diagnosing server health..."
        if [[ -n "${YNH_SKIP_DIAGNOSIS_DURING_UPGRADE:-}" ]]; then
            echo "(Skipping)"
        else
            yunohost diagnosis run --force
        fi

        echo "Refreshing app catalog..."
        yunohost tools update apps --output-as none || true
    fi

    systemctl restart yunohost-portal-api

    # Trick to let yunohost handle the restart of the API,
    # to prevent the webadmin from cutting the branch it's sitting on
    if systemctl is-enabled yunohost-api --quiet
    then
        if [[ "${YUNOHOST_API_RESTART_WILL_BE_HANDLED_BY_YUNOHOST:-}" != "yes" ]];
        then
            systemctl restart yunohost-api
        else
            echo "(Delaying the restart of yunohost-api, this should automatically happen after the end of this upgrade)"
            cat << EOF | at -M now >/dev/null 2>&1
# Wait for apt / dpkg / yunohost to not be up anymore, hence the upgrade finished

while pgrep -x apt || pgrep -x apt-get || pgrep dpkg || test -e /var/run/moulinette_yunohost.lock;
do
   sleep 3
done

# Restart yunohost-api, though only if it wasnt already restarted by something else in the last 60 secs

API_START_TIMESTAMP="\$(date --date="\$(systemctl show yunohost-api | grep ExecMainStartTimestamp= | awk -F= '{print \$2}')" +%s)"

if [ "\$(( \$(date +%s) - \$API_START_TIMESTAMP ))" -ge 60 ];
then
    systemctl restart yunohost-api
fi
EOF
        fi
    fi
}

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

case "$1" in
    configure)
        do_configure
        ;;
    abort-upgrade | abort-remove | abort-deconfigure) ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

#DEBHELPER#

exit 0