name: 构建并部署 VoiceHub
run-name: ${{ gitea.actor }} 触发部署 #${{{{ gitea.run_number }}}}

on:
  push:
    branches:
      - main
      - master
  # 允许在 Gitea 页面手动点「运行工作流」
  workflow_dispatch:
    inputs:
      deploy_target:
        description: 是否在构建后自动部署到服务器
        type: boolean
        default: true
        required: false

# 同一时刻只跑一个部署，避免部署竞态
concurrency:
  group: deploy-production
  cancel-in-progress: false

env:
  # ====== 按需修改（改成你的 Gitea 域名，不要 http:// 前缀） ======
  GITEA_REGISTRY: gitea.example.com
  # ====== 一般不改 ======
  IMAGE_NAME: byw-voicehub
  DEPLOY_PATH: /opt/byw-voicehub
  NODE_VERSION: "22"

jobs:
  # ============================================================
  # Job 1: 构建 & 推送 Docker 镜像到 Gitea 自带容器仓库
  # ============================================================
  build-image:
    name: 构建 Docker 镜像
    runs-on: ubuntu-latest
    outputs:
      image_tag: ${{ steps.meta.outputs.tag }}
      image_full: ${{ steps.meta.outputs.full }}
    steps:
      - name: 📥 拉取代码
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: 🔧 设置 Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: https://registry.npmmirror.com  # 国内加速，不需要可删

      - name: 🧪 环境校验
        run: |
          set -euxo pipefail
          node -v
          npm -v
          npm ci --no-audit --no-fund

      - name: 🔐 登录 Gitea 容器仓库
        uses: docker/login-action@v3
        with:
          registry: ${{ env.GITEA_REGISTRY }}
          username: ${{ gitea.repository_owner }}
          password: ${{ secrets.REGISTRY_TOKEN || gitea.token }}

      - name: 🏷️ 生成镜像标签
        id: meta
        run: |
          set -euo pipefail
          SHORT_SHA="${GITEA_SHA:0:7}"
          DATE_TAG="$(date +%Y%m%d)-${SHORT_SHA}"
          FULL="${GITEA_REGISTRY}/${GITEA_REPO_OWNER}/${IMAGE_NAME}:${DATE_TAG}"
          LATEST="${GITEA_REGISTRY}/${GITEA_REPO_OWNER}/${IMAGE_NAME}:latest"
          echo "tag=${DATE_TAG}" >> "$GITEA_OUTPUT"
          echo "full=${FULL}" >> "$GITEA_OUTPUT"
          echo "latest=${LATEST}" >> "$GITEA_OUTPUT"
          echo "✅ 镜像 tag: ${DATE_TAG}"
          echo "✅ 镜像完整: ${FULL}"

      - name: 🐳 构建并推送镜像（BuildKit 多阶段 + 缓存）
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: |
            ${{ steps.meta.outputs.full }}
            ${{ steps.meta.outputs.latest }}
          cache-from: type=registry,ref=${{ env.GITEA_REGISTRY }}/${{ gitea.repository_owner }}/${{ env.IMAGE_NAME }}:buildcache
          cache-to:   type=registry,ref=${{ env.GITEA_REGISTRY }}/${{ gitea.repository_owner }}/${{ env.IMAGE_NAME }}:buildcache,mode=max
          build-args: |
            BUILDKIT_INLINE_CACHE=1
          labels: |
            org.opencontainers.image.source=${{ gitea.server_url }}/${{ gitea.repository }}
            org.opencontainers.image.revision=${{ gitea.sha }}

  # ============================================================
  # Job 2: SSH 到服务器拉取新镜像并重启
  # ============================================================
  deploy:
    name: 部署到服务器
    needs: build-image
    if: ${{ !cancelled() && !failure() && (inputs.deploy_target == true || github.event_name == 'push') }}
    runs-on: ubuntu-latest
    environment: production
    steps:
      - name: 🌐 SSH 部署到生产服务器
        uses: https://github.com/appleboy/ssh-action@v1.2.0
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: ${{ secrets.DEPLOY_USER }}
          key: ${{ secrets.DEPLOY_SSH_KEY }}
          port: ${{ secrets.DEPLOY_PORT || 22 }}
          script_stop: true
          command_timeout: 30m
          script: |
            set -euxo pipefail

            # 1) 首次部署时自动创建目录 & 空的 docker-compose.yml/.env
            mkdir -p "${DEPLOY_PATH}"
            cd "${DEPLOY_PATH}"

            # 2) 登录 Gitea 镜像仓库（用一个仅 pull 权限的 token 更安全）
            echo "${{ secrets.REGISTRY_PULL_TOKEN || gitea.token }}" \
              | docker login "${GITEA_REGISTRY}" -u "${{ secrets.REGISTRY_PULL_USER || gitea.repository_owner }}" --password-stdin 2>/dev/null || true

            # 3) 拉最新镜像
            IMAGE_LATEST="${GITEA_REGISTRY}/${GITEA_REPO_OWNER}/${IMAGE_NAME}:latest"
            docker pull "$IMAGE_LATEST"

            # 4) 写一个最小的 docker-compose.override.yml，指向刚拉的镜像
            #    （避免改动服务器上已配置好的 docker-compose.yml 和 .env）
            cat > docker-compose.override.yml <<'YAML'
            services:
              voicehub:
                image: __REPLACE_WITH_IMAGE__
            YAML
            sed -i "s|__REPLACE_WITH_IMAGE__|${IMAGE_LATEST}|g" docker-compose.override.yml

            # 5) 启动（如果没有 docker-compose.yml 就自动从你的仓库默认模板里下载一份）
            if [ ! -f docker-compose.yml ]; then
              echo "ℹ️ 首次部署：写入默认 docker-compose.yml 模板（请稍后在服务器上编辑 .env）"
              curl -fsSL "${{ gitea.server_url }}/${{ gitea.repository }}/raw/branch/main/docker-compose.yml" \
                -o docker-compose.yml || echo "下载失败，跳过（你需要手动上传 docker-compose.yml）"
            fi

            # 6) 健康拉取 + 滚动重启（先拉好再 up，downtime 最小）
            docker compose pull --quiet voicehub 2>/dev/null || true
            docker compose up -d --remove-orphans

            # 7) 等健康检查通过，最多等 120s
            for i in $(seq 1 24); do
              if docker compose ps --format json 2>/dev/null | grep -q '"Health":"healthy"'; then
                echo "✅ 容器健康"
                break
              fi
              sleep 5
            done

            # 8) 清理旧镜像（只留最近 2 个 tag，省磁盘）
            docker image prune -af --filter "until=72h" || true

            echo "🎉 部署完成！镜像=${{ needs.build-image.outputs.image_full }}"