name: ci-userbase-front

# 前端标准化 CI：npm ci -> vite build --mode prod(-> dist/prod) -> docker build(nginx) -> 推 Nexus -> 部署 160
# 触发：push 到 main / 手动 Run workflow
# 依赖仓库 Actions Secrets：NEXUS_USER / NEXUS_PASSWORD（ci-docker 账号，仅 docker-hosted 推送权）
on:
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      tag:
        description: 'image tag (default = short sha)'
        required: false
        default: 'auto'
      deploy:
        description: 'deploy to 160 after build (auto / skip)'
        required: false
        default: 'auto'

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    # docker:24 自带 docker CLI，复用宿主 docker daemon（act_runner v0.6.1 已挂载 docker.sock）。
    container:
      image: docker:24
    steps:
      - name: Install git + node (alpine)
        run: apk add --no-cache git nodejs npm

      # 内网 Gitea 无法访问 github.com 拉取 actions/checkout，改为直接 clone 本仓库
      - name: Checkout (manual, internal Gitea)
        run: |
          git clone --depth 1 --branch main http://192.168.10.160:3000/${GITHUB_REPOSITORY}.git /tmp/src
          cp -a /tmp/src/. .
          rm -rf /tmp/src

      - name: Compute image tag
        id: meta
        run: |
          if [ "${{ inputs.tag }}" = "auto" ] || [ -z "${{ inputs.tag }}" ]; then
            echo "tag=$(echo ${GITHUB_SHA} | cut -c1-7)" >> $GITHUB_OUTPUT
          else
            echo "tag=${{ inputs.tag }}" >> $GITHUB_OUTPUT
          fi

      - name: Install deps
        run: npm ci

      - name: Build (vite --mode prod -> dist/prod)
        run: npm run build:prod

      - name: Login to Nexus docker registry
        run: echo "${{ secrets.NEXUS_PASSWORD }}" | docker login nexus:8083 -u ${{ secrets.NEXUS_USER }} --password-stdin

      # 构建上下文 = 仓库根(front)，Dockerfile 读取 dist/prod 构建 nginx 静态镜像
      - name: Build image
        run: docker build -t nexus:8083/docker-hosted/userbase-front:${{ steps.meta.outputs.tag }} -f docker/Dockerfile .

      - name: Push image
        run: docker push nexus:8083/docker-hosted/userbase-front:${{ steps.meta.outputs.tag }}

      - name: Report build
        run: echo "pushed nexus:8083/docker-hosted/userbase-front:${{ steps.meta.outputs.tag }}"

      # 部署阶段（仅在 push 或手动 dispatch deploy=auto 时执行），运行在 160 的 act_runner 上。
      # 前端容器只连 infra-infra-net，由 Caddy(external) 经 reverse_proxy userbase-front:80 转发，无需映射宿主机端口。
      - name: Deploy (rollout with rollback)
        if: github.event_name == 'push' || inputs.deploy == 'auto'
        run: |
          set +e
          IMG=nexus:8083/docker-hosted/userbase-front:${{ steps.meta.outputs.tag }}
          echo "deploying $IMG"
          echo "${{ secrets.NEXUS_PASSWORD }}" | docker login nexus:8083 -u ${{ secrets.NEXUS_USER }} --password-stdin
          docker pull "$IMG"
          RB=userbase-front:rb-$(date +%s)
          docker tag userbase-front:latest "$RB" 2>/dev/null || true
          docker stop userbase-front 2>/dev/null; docker rm -f userbase-front 2>/dev/null
          docker run -d --name userbase-front --restart unless-stopped --network infra-infra-net "$IMG"
          OK=0
          for i in $(seq 1 20); do
            sleep 5
            ST=$(docker inspect -f '{{.State.Running}}' userbase-front 2>/dev/null || echo false)
            if [ "$ST" = "true" ]; then OK=1; break; fi
          done
          if [ "$OK" = "0" ]; then
            echo "!! UNHEALTHY -> rollback to userbase-front:latest"
            docker stop userbase-front 2>/dev/null; docker rm -f userbase-front 2>/dev/null
            docker run -d --name userbase-front --restart unless-stopped --network infra-infra-net userbase-front:latest
            echo "rolled back"; exit 7
          fi
          echo "DEPLOY OK: $IMG"
          docker tag "$IMG" userbase-front:latest
          docker ps --format 'table {{.Names}}\t{{.Status}}\t{{.Image}}' | grep userbase-front || true