#!/bin/bash
set -euo pipefail

# 1. 자동 감지: Docker 컨테이너 내부인가?
if [ -d "/repo" ] && [ -d "/runtime" ]; then
    echo "Detected Docker Container environment."
    SRC="/repo"
    DST="/runtime"
else
    # 2. Host 환경: .env 로드 시도
    if [ -f ".env" ]; then
        echo "Loading .env file..."
        set -a; source .env; set +a
    fi

    # 환경변수가 없으면 현재 디렉토리를 SRC로
    SRC="${REPO_PATH:-$(pwd)}"
    DST="${RUNTIME_PATH:-}"
    
    if [ -z "$DST" ]; then
        echo "Error: RUNTIME_PATH is not set. Please create .env file with RUNTIME_PATH defined."
        exit 1
    fi
fi

echo "Source: $SRC"
echo "Target: $DST"

cd "$SRC"

# 레포에서 운영으로 반영할 항목들만 복사/동기화 (필요한 것만 적기)
# backend, travel-proxy, deployer, nginx, scripts, docker-compose.yml, .env 등
rsync -a --delete \
  --exclude ".git" \
  --exclude ".releases" \
  "$SRC/backend/"        "$DST/backend/"
rsync -a --delete \
  --exclude ".git" \
  "$SRC/travel-proxy/"   "$DST/travel-proxy/"
rsync -a --delete \
  --exclude ".git" \
  "$SRC/deployer/"       "$DST/deployer/"
rsync -a --delete \
    --exclude ".git" \
    "$SRC/stock-lab/"      "$DST/stock-lab/"
rsync -a --delete \
  --exclude ".git" \
  "$SRC/nginx/"          "$DST/nginx/"
rsync -a --delete \
  --exclude ".git" \
  "$SRC/scripts/"        "$DST/scripts/"

# compose 파일 / env 파일
rsync -a "$SRC/docker-compose.yml" "$DST/docker-compose.yml"
if [ -f "$SRC/.env" ]; then
  rsync -a "$SRC/.env" "$DST/.env"
fi

echo "SYNC_OK"