#!/usr/bin/env bash
# scripts/cron-install.sh — installe le cron quotidien backup
# Usage : sudo ./scripts/cron-install.sh
set -euo pipefail

REPO_DIR="$(cd "$(dirname "$0")/.." && pwd)"
CRON_USER="${CRON_USER:-$(whoami)}"
CRON_FILE="/etc/cron.d/formation-hub"

if [ "$(id -u)" -ne 0 ]; then
  echo "Run as root (sudo) pour ecrire dans /etc/cron.d/"
  exit 1
fi

cat > "$CRON_FILE" <<EOF
# formation-hub — backup quotidien
# Genere par scripts/cron-install.sh
SHELL=/bin/bash
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
MAILTO=""

# Backup quotidien Docmost + Baserow + uploads (03:00 local time)
0 3 * * * $CRON_USER cd $REPO_DIR && ./scripts/backup.sh >> /var/log/formation-hub-backup.log 2>&1

# Healthcheck toutes les 5 minutes (logue uniquement les fails)
*/5 * * * * $CRON_USER cd $REPO_DIR && ./scripts/healthcheck.sh >/dev/null 2>&1 || logger -t formation-hub "healthcheck failed at \$(date -Iseconds)"
EOF

chmod 644 "$CRON_FILE"

echo "Cron installe : $CRON_FILE"
echo ""
echo "Verification :"
cat "$CRON_FILE"
echo ""
echo "Pour test manuel : sudo -u $CRON_USER cd $REPO_DIR && ./scripts/backup.sh"
echo "Logs backup     : tail -f /var/log/formation-hub-backup.log"