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

# Backup Master PostgreSQL + config
# Usage: ./backup.sh [output-dir]

OUT_DIR="${1:-/opt/media-master/backups}"
STAMP="$(date -u +%Y%m%dT%H%M%SZ)"
DEST="${OUT_DIR}/${STAMP}"

mkdir -p "$DEST"

echo "Backing up PostgreSQL..."
docker compose -f "$(dirname "$0")/../docker/docker-compose.yml" exec -T postgres \
  pg_dump -U media media_cluster | gzip > "${DEST}/postgres.sql.gz"

if [[ -f "$(dirname "$0")/../master/.env" ]]; then
  cp "$(dirname "$0")/../master/.env" "${DEST}/master.env"
fi

echo "Backup written to ${DEST}"