#!/bin/bash
set -e

BASE_DIR="/home/Dejan/Docker/Netbird-compose"
cd "$BASE_DIR"

STAMP="$(date +%F-%H%M)"
BACKUP_DIR="$BASE_DIR/backup/$STAMP"

mkdir -p "$BACKUP_DIR"

echo "=== Backing up NetBird+Zitadel config files to $BACKUP_DIR ..."

# 1) Backup local files (exclude backup and .git)
tar --exclude='./backup' \
    --exclude='./.git' \
    -czf "$BACKUP_DIR/netbird-compose-files.tar.gz" \
    docker-compose.yml \
    .env \
    dashboard.env \
    relay.env \
    zitadel.env \
    zdb.env \
    management.json \
    turnserver.conf \
    machinekey \
    traefik-stack \
    install-netbird-traefik.sh \
    reinit*.sh \
    uninstall-netbird-traefik.sh \
    readme.md 2>/dev/null || true

echo "  → Config files archived."

# 2) Backup Docker volumes (management DB, Zitadel DB, certs)
echo "=== Backing up Docker volumes ..."

# netbird_management volume
docker run --rm \
  -v netbird_management:/data \
  -v "$BACKUP_DIR":/backup \
  alpine sh -c "cd /data && tar -czf /backup/netbird_management-volume.tar.gz ."

echo "  → netbird_management done."

# netbird_zdb_data (Postgres for Zitadel)
docker run --rm \
  -v netbird_zdb_data:/data \
  -v "$BACKUP_DIR":/backup \
  alpine sh -c "cd /data && tar -czf /backup/netbird_zdb_data-volume.tar.gz ."

echo "  → netbird_zdb_data done."

# netbird_zitadel_certs
docker run --rm \
  -v netbird_zitadel_certs:/data \
  -v "$BACKUP_DIR":/backup \
  alpine sh -c "cd /data && tar -czf /backup/netbird_zitadel_certs-volume.tar.gz ."

echo "  → netbird_zitadel_certs done."

echo "=== All done. Backup stored in: $BACKUP_DIR"