#!/usr/bin/env bash
# Install (or refresh) the systemd units that schedule the MAA Online daily
# task. Run as root. Units are rendered from systemd/*.tmpl-style sources in
# this repository with __ROOT__ replaced by the checkout path.
set -euo pipefail

ROOT="${MAA_ONLINE_ROOT:-$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)}"
SRC="$ROOT/systemd"
DST="${MAA_ONLINE_SYSTEMD_DIR:-/etc/systemd/system}"
UNITS=(maa-online-server.service maa-daily.service maa-daily.timer maa-update.service maa-update.timer maa-online-recycle.service maa-online-recycle.timer)

if [ "$(id -u)" != "0" ]; then
    echo "error: must run as root (writes to $DST)" >&2
    exit 1
fi
if [ ! -d "$SRC" ]; then
    echo "error: $SRC not found" >&2
    exit 1
fi

for unit in "${UNITS[@]}"; do
    sed "s|__ROOT__|$ROOT|g" "$SRC/$unit" > "$DST/$unit"
    echo "installed $DST/$unit"
done

systemctl daemon-reload
systemctl enable --now maa-online-server.service
systemctl enable maa-daily.timer maa-update.timer maa-online-recycle.timer
systemctl start maa-daily.timer maa-update.timer maa-online-recycle.timer

echo
systemctl --no-pager list-timers maa-daily.timer maa-update.timer maa-online-recycle.timer
cat <<EOF

MAA Online systemd units are active.
  server log:  journalctl -u maa-online-server -f
  daily log:   journalctl -u maa-daily -n 50
  next runs:   systemctl list-timers maa-daily.timer maa-update.timer maa-online-recycle.timer
EOF