#!/usr/bin/env bash
# Deploy frontend: build and atomic publish to OpenResty site directory with timestamped backup
# Usage:
#   SITE_DIR=/data/1panel/1panel/apps/openresty/openresty/www/sites/www.daoyou.dev/index ./scripts/deploy_frontend.sh
# Notes:
# - SITE_DIR can be customized by environment variable. Default to /data/... path provided.

set -euo pipefail

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")"/.. && pwd)"
FRONTEND_DIR="$ROOT_DIR/frontend"
DEFAULT_SITE_DIR="/data/1panel/1panel/apps/openresty/openresty/www/sites/www.daoyou.dev/index"
SITE_DIR="${SITE_DIR:-$DEFAULT_SITE_DIR}"

cd "$FRONTEND_DIR"

echo "[frontend] Building production assets..."
npm run build

TS="$(date +%Y%m%d%H%M%S)"
BASE_DIR="$(dirname "$SITE_DIR")"
BACKUP_DIR="$BASE_DIR/index$TS"

# Backup existing site dir if exists
if [ -d "$SITE_DIR" ] || [ -f "$SITE_DIR" ]; then
  echo "[frontend] Backing up existing site to: $BACKUP_DIR"
  mv "$SITE_DIR" "$BACKUP_DIR"
fi

# Recreate directory
mkdir -p "$SITE_DIR"

# Publish dist
cp -r "$FRONTEND_DIR/dist"/* "$SITE_DIR"/

echo "[frontend] Published to: $SITE_DIR"
echo "[frontend] Backup: $BACKUP_DIR (if existed)"