#!/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_OPTS="-rl --delete --no-owner --no-group --exclude .git --exclude __pycache__ --exclude *.pyc --exclude data/"

for dir in backend travel-proxy deployer stock-lab music-lab blog-lab realestate-lab agent-office nginx scripts; do
    rsync $RSYNC_OPTS "$SRC/$dir/" "$DST/$dir/" || {
        rc=$?
        if [ $rc -ne 23 ]; then
            echo "rsync failed for $dir with exit code $rc"
            exit $rc
        fi
    }
done

# compose 파일만 동기화 (.env는 절대 동기화하지 않음 — 운영 시크릿 보호)
rsync -rl --no-owner --no-group "$SRC/docker-compose.yml" "$DST/docker-compose.yml" || {
    rc=$?
    if [ $rc -ne 23 ]; then
        echo "rsync failed for docker-compose.yml with exit code $rc"
        exit $rc
    fi
}

# 파일 권한 설정 — bgg8988:users 755
# 호스트(bgg8988)에서는 본인 소유 파일만 변경 가능, deployer 컨테이너(root)에서는 전부 가능
DEPLOY_USER="bgg8988"
DEPLOY_GROUP="users"
DEPLOY_MODE="755"

echo "Setting ownership ${DEPLOY_USER}:${DEPLOY_GROUP} and mode ${DEPLOY_MODE}..."
for dir in backend travel-proxy deployer stock-lab music-lab blog-lab realestate-lab agent-office nginx scripts; do
    chown -R "${DEPLOY_USER}:${DEPLOY_GROUP}" "$DST/$dir/" 2>/dev/null || true
    chmod -R "$DEPLOY_MODE" "$DST/$dir/" 2>/dev/null || true
done
chown "${DEPLOY_USER}:${DEPLOY_GROUP}" "$DST/docker-compose.yml" 2>/dev/null || true
chmod "$DEPLOY_MODE" "$DST/docker-compose.yml" 2>/dev/null || true

echo "SYNC_OK"