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

# Installer for NetGescon repair UI systemd units (system-wide and user)
# Usage:
#   sudo bash scripts/install-repair-service.sh            # install system-wide service
#   bash scripts/install-repair-service.sh --user          # install user service
#   bash scripts/install-repair-service.sh --cron-fallback # add @reboot cron fallback

BASE_DIR="/var/www/netgescon"
SYSTEMD_DIR="/etc/systemd/system"
USER_SYSTEMD_DIR="$HOME/.config/systemd/user"

if [[ "${1:-}" == "--help" ]]; then
  sed -n '1,60p' "$0"; exit 0
fi

case "${1:-}" in
  --user)
    mkdir -p "$USER_SYSTEMD_DIR"
    sed "s#@BASE_DIR@#$BASE_DIR#g" "$BASE_DIR/scripts/systemd/netgescon-repair-ui.user.service.template" > "$USER_SYSTEMD_DIR/netgescon-repair-ui.service"
    systemctl --user daemon-reload
    systemctl --user enable --now netgescon-repair-ui.service || true
    systemctl --user status netgescon-repair-ui.service --no-pager --full | sed -n '1,100p' || true
    ;;
  --cron-fallback)
    TMP_CRON=$(mktemp)
    crontab -l 2>/dev/null > "$TMP_CRON" || true
    if ! grep -q 'netgescon-repair-ui.sh' "$TMP_CRON"; then
      echo "@reboot /usr/bin/env bash -lc '/var/www/netgescon/scripts/repair-ui.sh || /home/michele/netgescon/scripts/repair-ui.sh || true'" >> "$TMP_CRON"
    fi
    crontab "$TMP_CRON"
    rm -f "$TMP_CRON"
    echo "Cron installed:"; crontab -l | sed -n '1,20p'
    ;;
  *)
    # system-wide
    if [[ $EUID -ne 0 ]]; then
      echo "Please run as root or use sudo for system-wide install" >&2
      exit 1
    fi
    sed "s#@BASE_DIR@#$BASE_DIR#g" "$BASE_DIR/scripts/systemd/netgescon-repair-ui.service.template" > "$SYSTEMD_DIR/netgescon-repair-ui.service"
    systemctl daemon-reload
    systemctl enable netgescon-repair-ui.service
    systemctl start netgescon-repair-ui.service
    systemctl status netgescon-repair-ui.service --no-pager --full | sed -n '1,100p'
    ;;
 esac