#!/bin/bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
BACKUP_DIR="${BACKUP_DIR:-$PROJECT_DIR/backups}"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
BACKUP_PATH="$BACKUP_DIR/$TIMESTAMP"

mkdir -p "$BACKUP_PATH"

echo "[1/2] Backup database..."
docker compose -f "$PROJECT_DIR/docker-compose.yml" exec -T db \
  pg_dump -U ecommerce ecommerce | gzip > "$BACKUP_PATH/db.sql.gz"
echo "      → $BACKUP_PATH/db.sql.gz"

echo "[2/2] Backup uploads..."
if [ -d "$PROJECT_DIR/data/uploads" ] && [ "$(ls -A "$PROJECT_DIR/data/uploads")" ]; then
  tar -czf "$BACKUP_PATH/uploads.tar.gz" -C "$PROJECT_DIR/data" uploads
  echo "      → $BACKUP_PATH/uploads.tar.gz"
else
  echo "      (nessun file in data/uploads, saltato)"
fi

echo ""
echo "Backup completato: $BACKUP_PATH"

# Rimuovi backup più vecchi di 30 giorni
find "$BACKUP_DIR" -maxdepth 1 -type d -mtime +30 -exec rm -rf {} + 2>/dev/null || true