name: ci-cd

on: [push]

env:
  REMOTE_DIR: /home/workspace/sundynix-pet
  IMAGE: sundynix/pets-be:latest

jobs:
  verify:
    runs-on: ubuntu-latest
    steps:
      - name: 检出代码
        env:
          GITEA_TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail
          curl -fLsS -H "Authorization: token ${GITEA_TOKEN}" \
            "https://git.sundynix.cn/${{ github.repository }}/archive/${{ github.sha }}.tar.gz" \
            | tar -xz --strip-components=1

      - name: 测试并构建后端与管理端
        run: docker build -f pets-be/Dockerfile -t "sundynix/pets-be:ci-${{ github.sha }}" pets-be

  deploy:
    needs: verify
    if: github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest   # 须匹配已注册 runner 的标签
    steps:
      # Gitea 的 Git HTTP pack 当前不可用，改用带 job token 的归档接口检出当前提交。
      - name: 检出代码（内网 Gitea）
        env:
          GITEA_TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail
          curl -fLsS -H "Authorization: token ${GITEA_TOKEN}" \
            "https://git.sundynix.cn/${{ github.repository }}/archive/${{ github.sha }}.tar.gz" \
            | tar -xz --strip-components=1

      # 单镜像：内部先用 node 构建管理后台前端，再 Go 编译内嵌进二进制。
      # 构建上下文是 pets-be/（go.mod 和 web/admin 都在里面）。
      - name: 构建应用镜像
        run: docker build -f pets-be/Dockerfile -t "$IMAGE" pets-be

      - name: 导出镜像为压缩包
        run: docker save "$IMAGE" | gzip > image.tar.gz

      # 每次 job 都是全新容器，装过的东西不会留下。这里做两件事提速：
      # 1) 已经有就直接跳过；2) 换阿里云镜像源，避免连境外源拖到几分钟。
      - name: 安装 ssh 工具
        run: |
          if command -v sshpass >/dev/null && command -v ssh >/dev/null; then
            echo "sshpass/ssh 已存在，跳过安装"; exit 0
          fi
          if command -v apk >/dev/null; then
            sed -i 's#dl-cdn.alpinelinux.org#mirrors.aliyun.com#g' /etc/apk/repositories
            apk add --no-cache sshpass openssh-client
          elif command -v apt-get >/dev/null; then
            sed -i -e 's#deb.debian.org#mirrors.aliyun.com#g' \
                   -e 's#security.debian.org#mirrors.aliyun.com#g' \
                   -e 's#archive.ubuntu.com#mirrors.aliyun.com#g' \
                   -e 's#security.ubuntu.com#mirrors.aliyun.com#g' \
                   /etc/apt/sources.list 2>/dev/null || true
            sed -i -e 's#deb.debian.org#mirrors.aliyun.com#g' \
                   -e 's#archive.ubuntu.com#mirrors.aliyun.com#g' \
                   /etc/apt/sources.list.d/*.sources /etc/apt/sources.list.d/*.list 2>/dev/null || true
            apt-get update -qq && apt-get install -y -qq --no-install-recommends sshpass openssh-client
          fi

      - name: 传镜像包与 compose 到服务器
        env:
          SSHPASS: ${{ secrets.DEPLOY_PASSWORD }}
        run: |
          H="${{ secrets.DEPLOY_HOST }}"
          U="${{ secrets.DEPLOY_USER }}"
          # 只送两样：镜像包 + compose。服务器上的 .env 由人工预放，绝不覆盖。
          sshpass -e ssh -o StrictHostKeyChecking=no "$U@$H" "mkdir -p $REMOTE_DIR"
          sshpass -e scp -o StrictHostKeyChecking=no image.tar.gz "$U@$H:$REMOTE_DIR/"
          sshpass -e scp -o StrictHostKeyChecking=no \
            deploy/docker-compose.yml "$U@$H:$REMOTE_DIR/docker-compose.yml"

      - name: 服务器加载镜像并起服务
        env:
          SSHPASS: ${{ secrets.DEPLOY_PASSWORD }}
        run: |
          H="${{ secrets.DEPLOY_HOST }}"
          U="${{ secrets.DEPLOY_USER }}"
          sshpass -e ssh -o StrictHostKeyChecking=no "$U@$H" "\
            cd $REMOTE_DIR && \
            test -f .env || { echo '❌ 缺少 .env，请先按 deploy/.env.example 创建'; exit 1; } && \
            gunzip -c image.tar.gz | docker load && \
            rm -f image.tar.gz && \
            docker compose up -d --no-build && \
            docker image prune -f"

      - name: 健康检查（宿主机 :4000/api/ping）
        env:
          SSHPASS: ${{ secrets.DEPLOY_PASSWORD }}
        run: |
          H="${{ secrets.DEPLOY_HOST }}"
          U="${{ secrets.DEPLOY_USER }}"
          sshpass -e ssh -o StrictHostKeyChecking=no "$U@$H" "\
            for i in \$(seq 1 20); do \
              curl -sf http://127.0.0.1:4000/api/ping && echo ' ✅ 健康' && exit 0; \
              sleep 3; \
            done; \
            echo '❌ 健康检查失败'; \
            cd $REMOTE_DIR && docker compose logs --tail 50 app; exit 1"