name: 构建并部署

on:
  push:
    branches: [main]
    tags: ['v*']
  workflow_dispatch:

concurrency:
  group: deploy
  cancel-in-progress: false

env:
  REGISTRY: git.lzcwy.cn
  IMAGE: git.lzcwy.cn/zhengchiliu/zt-closet-backend

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    steps:
      - name: 拉取代码
        uses: actions/checkout@v4

      - name: 确认 docker 可用
        run: docker version --format 'Server: {{.Server.Version}}'

      - name: 计算镜像标签
        id: meta
        run: |
          case "$GITEA_REF" in
            refs/tags/*) TAG="${GITEA_REF#refs/tags/}" ;;
            *)           TAG="sha-$(echo "$GITEA_SHA" | cut -c1-7)" ;;
          esac
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"
          echo "镜像标签: $TAG"

      - name: 登录 Gitea 镜像仓库
        env:
          REGISTRY_USER: ${{ secrets.ZT_CLOSET_REGISTRY_USER }}
          REGISTRY_TOKEN: ${{ secrets.ZT_CLOSET_REGISTRY_TOKEN }}
        run: |
          echo "$REGISTRY_TOKEN" | docker login "$REGISTRY" -u "$REGISTRY_USER" --password-stdin

      - name: 构建并推送
        run: |
          # 生产机若是 ARM（如甲骨文 ARM 机），去掉下一行注释并改成 linux/arm64
          # PLATFORM="--platform linux/arm64"
          docker build \
            --build-arg GOPROXY=https://goproxy.cn,direct \
            -f scripts/dockerfile/Dockerfile \
            -t "$IMAGE:${{ steps.meta.outputs.tag }}" \
            -t "$IMAGE:latest" \
            .
          docker push "$IMAGE:${{ steps.meta.outputs.tag }}"
          docker push "$IMAGE:latest"

      - name: SSH 部署到生产机
        env:
          SSH_KEY: ${{ secrets.ZT_CLOSET_PROD_SSH_KEY }}
          SSH_HOST: ${{ vars.ZT_CLOSET_PROD_SSH_HOST }}
          SSH_USER: ${{ vars.ZT_CLOSET_PROD_SSH_USER }}
        run: |
          mkdir -p ~/.ssh && chmod 700 ~/.ssh
          printf '%s\n' "$SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          SSHOPT="-i ~/.ssh/deploy_key -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null"

          ssh $SSHOPT "$SSH_USER@$SSH_HOST" 'bash -s' <<'REMOTE'
          set -e
          APP=zt-closet-backend
          IMAGE=git.lzcwy.cn/zhengchiliu/zt-closet-backend
          DIR=/opt/zt-closet

          mkdir -p "$DIR/configs" "$DIR/storage/logs" "$DIR/storage/uploads"
          # 容器内进程是 uid 10001，日志/上传目录要给它写权限
          chown -R 10001:10001 "$DIR/storage"

          # 记住旧镜像，用于失败回滚
          OLD_IMAGE=$(docker inspect -f '{{.Image}}' $APP 2>/dev/null || echo "")

          docker pull $IMAGE:latest
          docker rm -f $APP 2>/dev/null || true

          docker run -d \
            --name $APP \
            --network host \
            --restart unless-stopped \
            -v $DIR/configs:/app/configs:ro \
            -v $DIR/storage/logs:/app/storage/logs \
            -v $DIR/storage/uploads:/app/storage/uploads \
            -e TZ=Asia/Shanghai \
            --log-opt max-size=50m \
            --log-opt max-file=5 \
            $IMAGE:latest

          sleep 5
          if (command -v curl >/dev/null && curl -fsS http://127.0.0.1:8080/ping) \
             || (command -v wget >/dev/null && wget -qO- http://127.0.0.1:8080/ping); then
            echo " 健康检查通过"
            docker image prune -f
          else
            echo " 健康检查失败，回滚"
            docker logs --tail 50 $APP
            docker rm -f $APP
            if [ -n "$OLD_IMAGE" ]; then
              docker run -d \
                --name $APP \
                --network host \
                --restart unless-stopped \
                -v $DIR/configs:/app/configs:ro \
                -v $DIR/storage/logs:/app/storage/logs \
                -v $DIR/storage/uploads:/app/storage/uploads \
                -e TZ=Asia/Shanghai \
                "$OLD_IMAGE"
            fi
            exit 1
          fi
          REMOTE

      - name: 部署结果
        if: always()
        run: echo "镜像 ${{ env.IMAGE }}:${{ steps.meta.outputs.tag }} 部署流程结束"