#!/bin/bash
# 灵枢平台 Docker 离线打包脚本
# 在有网络的机器上运行，生成可离线部署的压缩包

set -e

OUTPUT="lingshu_docker_package"
IMAGE_NAME="lingshu_app"

echo "================================================"
echo " 灵枢平台 - Docker 离线打包"
echo "================================================"

# 构建镜像
echo "[1/4] 构建应用镜像..."
docker build -t $IMAGE_NAME .

# 拉取 MySQL 镜像（如果没有）
echo "[2/4] 获取 MySQL 8.0 镜像..."
docker pull mysql:8.0

# 导出镜像为 tar
echo "[3/4] 导出镜像文件..."
mkdir -p $OUTPUT
docker save $IMAGE_NAME | gzip > $OUTPUT/lingshu_app.tar.gz
docker save mysql:8.0 | gzip > $OUTPUT/mysql8.tar.gz

# 复制部署文件
echo "[4/4] 复制部署文件..."
cp docker-compose.yml $OUTPUT/
cp 灵枢数据库设计.sql $OUTPUT/
cp init_demo_data.sql $OUTPUT/ 2>/dev/null || echo "  (无 init_demo_data.sql，跳过)"
cp deploy.sh $OUTPUT/ 2>/dev/null || true

# 写入目标机器的一键启动脚本
cat > $OUTPUT/install_and_run.sh << 'EOF'
#!/bin/bash
echo "================================================"
echo " 灵枢平台 - 离线安装启动"
echo "================================================"

echo "[1/3] 导入镜像（首次约需1-2分钟）..."
docker load < lingshu_app.tar.gz
docker load < mysql8.tar.gz

echo "[2/3] 启动服务..."
docker compose up -d

echo "[3/3] 等待数据库初始化..."
sleep 15
echo ""
echo "================================================"
echo " 启动完成！"
echo " 访问地址: http://localhost:5000"
echo " 停止服务: docker compose down"
echo " 查看日志: docker compose logs -f"
echo "================================================"
EOF
chmod +x $OUTPUT/install_and_run.sh

# 打包
echo ""
echo "正在压缩..."
tar -czf ${OUTPUT}.tar.gz $OUTPUT/
rm -rf $OUTPUT/

echo ""
echo "================================================"
echo " 打包完成: ${OUTPUT}.tar.gz"
echo " 发给朋友后，他只需："
echo "   1. 安装 Docker Desktop"
echo "   2. 解压并进入文件夹"
echo "   3. 运行 bash install_and_run.sh"
echo "   4. 浏览器打开 http://localhost:5000"
echo "================================================"