#!/usr/bin/env sh
set -eu

if [ "$(id -u)" -ne 0 ]; then
  echo "Run as root: sudo sh deploy/systemd-install.sh" >&2
  exit 1
fi

install -d -m 0755 /etc/importarr /var/lib/importarr /run/manual-media-import
install -d -m 0755 /opt/importarr
REPO_DIR="$(CDPATH= cd -- "$(dirname -- "$0")/.." && pwd)"
python3 -m venv /opt/importarr/venv
/opt/importarr/venv/bin/pip install --upgrade pip
/opt/importarr/venv/bin/pip install --upgrade "$REPO_DIR"
if [ ! -f /etc/importarr/importarr.env ]; then
  install -m 0600 "$REPO_DIR/deploy/importarr.env.example" /etc/importarr/importarr.env
  echo "Created /etc/importarr/importarr.env; edit it before starting the service."
fi
if ! grep -q '^IMPORTARR_REPO_DIR=' /etc/importarr/importarr.env; then
  printf '\nIMPORTARR_REPO_DIR=%s\n' "$REPO_DIR" >> /etc/importarr/importarr.env
fi
install -m 0644 "$REPO_DIR/deploy/importarr.service" /etc/systemd/system/importarr.service
install -m 0644 "$REPO_DIR/deploy/manual-media-import.service" /etc/systemd/system/manual-media-import.service
install -m 0644 "$REPO_DIR/deploy/manual-media-import.timer" /etc/systemd/system/manual-media-import.timer
install -m 0644 "$REPO_DIR/deploy/manual-media-import-failure.service" /etc/systemd/system/manual-media-import-failure.service
install -m 0755 "$REPO_DIR/deploy/repo-upgrade.sh" /opt/importarr/repo-upgrade.sh
GIT_SHA="$(git -C "$REPO_DIR" rev-parse --short=12 HEAD 2>/dev/null || printf development)"
BUILD_DATE="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
cat > /opt/importarr/build.env <<EOF
IMPORTARR_GIT_SHA=$GIT_SHA
IMPORTARR_BUILD_DATE=$BUILD_DATE
EOF
systemctl daemon-reload
systemctl enable importarr.service
systemctl enable manual-media-import.timer
systemctl restart importarr.service
systemctl start manual-media-import.timer
echo "Importarr installed from $REPO_DIR. Future upgrades: sudo -n sh /opt/importarr/repo-upgrade.sh"