#!/bin/bash
set -euo pipefail

BACKUP_TYPE="${1:-periodic}"
DATA_DIR="{{ pds_data_dir }}"
BACKUP_BUCKET="{{ pds_backup_s3_bucket }}"
RCLONE="rclone"
RCLONE_CONFIG="/etc/rclone/rclone.conf"
TIMESTAMP=$(date -u +%Y%m%d-%H%M%S)
BACKUP_NAME="${BACKUP_TYPE}-${TIMESTAMP}.tar.gz"
TMP_DIR="/tmp/pds-backup-$$"

cleanup() {
    rm -rf "$TMP_DIR"
}
trap cleanup EXIT

mkdir -p "$TMP_DIR"

# Create tarball of PDS data
tar czf "$TMP_DIR/$BACKUP_NAME" \
    -C "$(dirname "$DATA_DIR")" \
    "$(basename "$DATA_DIR")"

# Upload to S3
$RCLONE copy "$TMP_DIR/$BACKUP_NAME" "pds-backup:$BACKUP_BUCKET/" \
    --config "$RCLONE_CONFIG"

echo "Backup complete: ${BACKUP_NAME} -> ${BACKUP_BUCKET}"