#!/usr/bin/env bash
set -euo pipefail

if [[ "${EUID}" -ne 0 ]]; then
  echo "请使用 sudo 执行: sudo ./scripts/install.sh" >&2
  exit 1
fi

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

bash -n "$ROOT_DIR/bin/cleanup-smartcam-data"

# Disable the former unit name when upgrading an existing device. This does
# not stop, restart, or modify the smart-cam Docker container.
systemctl disable --now userdata-video-cleanup.timer 2>/dev/null || true

install -d -o root -g root -m 0755 /var/lib/cleanup-smartcam-data

install -o root -g root -m 0755 \
  "$ROOT_DIR/bin/cleanup-smartcam-data" \
  /usr/local/sbin/cleanup-smartcam-data

install -o root -g root -m 0644 \
  "$ROOT_DIR/systemd/cleanup-smartcam-data.service" \
  /etc/systemd/system/cleanup-smartcam-data.service

install -o root -g root -m 0644 \
  "$ROOT_DIR/systemd/cleanup-smartcam-data.timer" \
  /etc/systemd/system/cleanup-smartcam-data.timer

install -o root -g root -m 0644 \
  "$ROOT_DIR/systemd/cleanup-smartcam-data-resume.timer" \
  /etc/systemd/system/cleanup-smartcam-data-resume.timer

systemctl daemon-reload
systemctl enable --now cleanup-smartcam-data.timer

# The fast timer is started only while low disk space disables local recording.
systemctl disable cleanup-smartcam-data-resume.timer 2>/dev/null || true
if [[ -f /userdata/data/.recording-paused-low-disk || \
      -f /var/lib/cleanup-smartcam-data/capture-paused || \
      -f /var/lib/userdata-video-cleanup/capture-paused ]]; then
  systemctl start cleanup-smartcam-data-resume.timer
else
  systemctl stop cleanup-smartcam-data-resume.timer 2>/dev/null || true
fi

# Remove obsolete installed names only after the new timer is active.
rm -f \
  /etc/systemd/system/userdata-video-cleanup.timer \
  /etc/systemd/system/userdata-video-cleanup.service \
  /usr/local/sbin/userdata-video-cleanup
systemctl daemon-reload

echo "安装完成。"
echo "程序: /usr/local/sbin/cleanup-smartcam-data"
echo "服务: /etc/systemd/system/cleanup-smartcam-data.service"
echo "定时器: /etc/systemd/system/cleanup-smartcam-data.timer"
echo "录像恢复定时器: /etc/systemd/system/cleanup-smartcam-data-resume.timer"
systemctl --no-pager status cleanup-smartcam-data.timer || true