name: Deploy Noval to K3s

on:
  push:
    branches:
      - main
      - master

jobs:
  deploy:
    runs-on: self-hosted
    steps:
      - name: Deploy to K3s
        run: |
          set -e

          APP_NAME="noval"
          NAMESPACE="noval-roog-code"
          IMAGE_NAME="noval-app"

          echo "🚀 开始部署 ${APP_NAME}..."
          cd /root/k8syaml/NovalRedot

          echo "📥 拉取最新代码..."
          BRANCH="${GITHUB_REF_NAME:-master}"
          git pull origin "${BRANCH}"

          NEW_COMMIT_SHA=$(git rev-parse --short HEAD)
          NEW_COMMIT_MSG=$(git log -1 --oneline)
          FULL_IMAGE="${IMAGE_NAME}:${NEW_COMMIT_SHA}"

          echo "🌐 预拉取基础镜像（带重试，避免网络抖动）..."
          pull_with_retry() {
            local image="$1"
            local max=5
            local n=1
            until [ $n -gt $max ]; do
              echo "尝试拉取 ${image} (${n}/${max})"
              if docker pull "${image}"; then
                echo "✅ 拉取成功: ${image}"
                return 0
              fi
              sleep $((n * 5))
              n=$((n + 1))
            done
            echo "❌ 拉取失败: ${image}"
            return 1
          }

          pull_with_retry node:20-alpine
          pull_with_retry python:3.12-slim

          echo "📦 构建镜像 ${FULL_IMAGE}"
          docker build --pull=false -t "${FULL_IMAGE}" .
          docker tag "${FULL_IMAGE}" "${IMAGE_NAME}:latest"

          if command -v k3s >/dev/null 2>&1; then
            echo "📤 导入镜像到 k3s containerd..."
            docker save "${FULL_IMAGE}" | k3s ctr images import -
            docker save "${IMAGE_NAME}:latest" | k3s ctr images import -
          fi

          echo "🧱 应用 K8s 基础资源..."
          kubectl apply -f k8s/namespace.yaml
          kubectl apply -f k8s/cluster-issuer.yaml
          kubectl apply -f k8s/pvc.yaml
          kubectl apply -f k8s/service.yaml
          kubectl apply -f k8s/ingress.yaml

          if kubectl get deployment "${APP_NAME}" -n "${NAMESPACE}" >/dev/null 2>&1; then
            echo "🔄 检测到现有 deployment，执行滚动更新..."
            kubectl set image deployment/${APP_NAME} ${APP_NAME}=${FULL_IMAGE} -n "${NAMESPACE}"
          else
            echo "🆕 首次部署，创建 deployment..."
            kubectl apply -f k8s/deployment.yaml
            kubectl set image deployment/${APP_NAME} ${APP_NAME}=${FULL_IMAGE} -n "${NAMESPACE}"
          fi

          echo "⏳ 等待 rollout 完成..."
          kubectl rollout status deployment/${APP_NAME} -n "${NAMESPACE}" --timeout=300s

          echo "✅ 部署完成"
          echo "📌 版本: ${NEW_COMMIT_SHA} - ${NEW_COMMIT_MSG}"
          kubectl get pods -n "${NAMESPACE}" -l app=${APP_NAME} -o wide