name: 全局K3s部署
on:
  push:
    branches: [master]

jobs:
  deploy:
    runs-on: ubuntu-latest
    env:
      K3S_HOST: 121.37.117.181
      APP_NAME: ${{ gitea.repo_name }}
      # ========== 必须修改1：替换为你的实际镜像仓库地址 ==========
      # 若用DockerHub：改为你的DockerHub用户名（如 docker.io/zhangsan）
      # 若用Gitea内置仓库：改为 116.204.74.41:3000/red-future
      REGISTRY: 116.204.74.41:3000/red-future
    steps:
      - uses: gitea/actions/checkout@v4

      # 1. 初始化 Docker Buildx
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      # ========== 必须修改2：适配你的镜像仓库登录（二选一） ==========
      # 选项A：用Gitea内置镜像仓库（推荐，和你的代码仓库统一）
      - name: Login to Gitea Registry
        uses: docker/login-action@v3
        with:
          registry: 116.204.74.41:3000
          username: ${{ secrets.GITEA_USER }}  # 需在Gitea配置该密钥
          password: ${{ secrets.GITEA_PWD }}   # 需在Gitea配置该密钥

      # 选项B：用DockerHub（若坚持用，注释掉上面的Gitea登录，启用下面这段）
      # - name: Login to DockerHub
      #   uses: docker/login-action@v3
      #   with:
      #     username: ${{ secrets.DOCKER_USER }}
      #     password: ${{ secrets.DOCKER_PWD }}

      # 3. 构建+推送，启用缓存
      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.APP_NAME }}:${{ gitea.sha }}
          cache-from: type=registry,ref=${{ env.REGISTRY }}/${{ env.APP_NAME }}:buildcache
          cache-to: type=registry,ref=${{ env.REGISTRY }}/${{ env.APP_NAME }}:buildcache,mode=max

      # ========== 核心修复：解决/k8s/deploy.yaml不存在 ==========
      - name: SSH部署K3s
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.K3S_PEM_KEY }}" > k3s.pem
          chmod 600 k3s.pem
          # 第一步：上传仓库根目录的deploy.yaml到K3s临时目录
          scp -i k3s.pem -o StrictHostKeyChecking=no ./deploy.yaml root@${K3S_HOST}:/tmp/
          # 第二步：执行kubectl命令（指向临时文件+补充命名空间）
          ssh -i k3s.pem -o StrictHostKeyChecking=no root@${K3S_HOST} << CMD
            kubectl apply -f /tmp/deploy.yaml
            kubectl rollout restart deployment ${APP_NAME} -n default
            # 可选：部署完成后删除临时文件
            rm -f /tmp/deploy.yaml
          CMD