#!/bin/bash
# =============================================================================
# M-Project 배포 패키지 생성 스크립트
# =============================================================================

set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
DEPLOY_DIR="$SCRIPT_DIR"
PACKAGE_DIR="$DEPLOY_DIR/mproject-package"

echo "=========================================="
echo "M-Project 배포 패키지 생성"
echo "=========================================="

# 기존 패키지 삭제
rm -rf "$PACKAGE_DIR"
mkdir -p "$PACKAGE_DIR"

# 1. Docker 설정 파일
echo "📦 Docker 설정 복사..."
cp "$DEPLOY_DIR/docker-compose.synology.yml" "$PACKAGE_DIR/docker-compose.yml"
cp "$DEPLOY_DIR/.env.synology" "$PACKAGE_DIR/.env.example"
cp "$DEPLOY_DIR/deploy.sh" "$PACKAGE_DIR/"
chmod +x "$PACKAGE_DIR/deploy.sh"

# 2. 데이터베이스 백업 생성
echo "📦 DB 백업 시도..."
if docker exec m-project-db pg_dump -U mproject mproject > "$PACKAGE_DIR/backup_$(date +%Y%m%d_%H%M%S).sql" 2>/dev/null; then
    echo "  ✅ DB 백업 완료"
else
    echo "  ⚠️ DB 백업 건너뜀 (컨테이너 미실행)"
    rm -f "$PACKAGE_DIR"/backup_*.sql
fi

# 3. 소스 코드 복사
echo "📦 소스 코드 복사..."

# Backend
mkdir -p "$PACKAGE_DIR/backend"
rsync -a --exclude='__pycache__' --exclude='.git' --exclude='venv' --exclude='*.pyc' \
    "$PROJECT_DIR/backend/" "$PACKAGE_DIR/backend/"

# Frontend
mkdir -p "$PACKAGE_DIR/frontend"
rsync -a --exclude='.git' --exclude='uploads' \
    "$PROJECT_DIR/frontend/" "$PACKAGE_DIR/frontend/"

# Nginx
mkdir -p "$PACKAGE_DIR/nginx"
rsync -a "$PROJECT_DIR/nginx/" "$PACKAGE_DIR/nginx/"

# 4. init-db 폴더 (마이그레이션 스크립트)
mkdir -p "$PACKAGE_DIR/init-db"
if [ -d "$PROJECT_DIR/backend/migrations" ]; then
    cp "$PROJECT_DIR/backend/migrations"/*.sql "$PACKAGE_DIR/init-db/" 2>/dev/null || true
fi

# 5. 압축
echo "📦 압축 중..."
cd "$DEPLOY_DIR"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
tar -czf "mproject-deploy-$TIMESTAMP.tar.gz" -C "$DEPLOY_DIR" mproject-package

# 크기 확인
echo ""
echo "=========================================="
echo "✅ 패키지 생성 완료!"
echo "=========================================="
ls -lh "$DEPLOY_DIR/mproject-deploy-$TIMESTAMP.tar.gz"
echo ""
echo "파일: $DEPLOY_DIR/mproject-deploy-$TIMESTAMP.tar.gz"
echo ""
echo "Synology NAS로 전송:"
echo "  scp $DEPLOY_DIR/mproject-deploy-$TIMESTAMP.tar.gz admin@NAS_IP:/volume1/docker/"
echo ""
echo "NAS에서 설치:"
echo "  cd /volume1/docker/"
echo "  tar -xzf mproject-deploy-$TIMESTAMP.tar.gz"
echo "  cd mproject-package"
echo "  cp .env.example .env && vi .env"
echo "  bash deploy.sh"
echo ""