# 每次推送和 PR 都跑测试；推送到 main 且测试通过后，SSH 到服务器执行 deploy/update.sh（服务器从 origin 拉代码、构建、重启）。
# 部署需要的 Secrets 见 deploy/README.md 的"自动部署"一节。
# 只在 github.com 上运行；仓库同时推到 git.xuyue.cc，那边的 Gitea Actions 也会读这个目录，用 if 跳过。
name: CI/CD

on:
  push:
    branches: [main]
  pull_request:
  # 在 Actions 页面手动重新部署（比如改了服务器上的 .env 之后）
  workflow_dispatch:

jobs:
  test:
    if: github.server_url == 'https://github.com'
    runs-on: ubuntu-24.04
    steps:
      - uses: actions/checkout@v4

      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: 1.4.3

      - uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 10.0.x

      # 测试里学生程序在 bubblewrap 沙箱中运行；Ubuntu 24.04 默认禁止非特权用户命名空间，要先放开
      - name: 准备沙箱
        run: |
          sudo apt-get update -q
          sudo apt-get install -y -q bubblewrap
          sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0

      - run: bun install --frozen-lockfile

      - name: 编译 C# 运行时
        run: bun run build:runtime

      - name: 服务端测试（编译并运行示例、沙箱、编译检查）
        working-directory: server
        run: bun test

      - name: 网页端测试和类型检查
        working-directory: web
        run: |
          bun test src
          bunx vue-tsc --noEmit

  deploy:
    needs: test
    if: github.server_url == 'https://github.com' && github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
    runs-on: ubuntu-24.04
    # 服务器构建约几分钟；卡住时及时失败，不要一直占着
    timeout-minutes: 20
    # 连续推送时排队部署，不会两次部署同时进行
    concurrency:
      group: deploy
      cancel-in-progress: false
    environment: production
    steps:
      # Secrets 还没配置时跳过部署（只跑测试），不算失败
      - name: 检查部署配置
        id: check
        env:
          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
        run: |
          if [ -n "$DEPLOY_HOST" ]; then
            echo "configured=true" >> "$GITHUB_OUTPUT"
          else
            echo "::notice::没有配置 DEPLOY_HOST 等 Secrets，跳过部署（配置方法见 deploy/README.md）"
          fi

      - name: 配置 SSH
        if: steps.check.outputs.configured == 'true'
        env:
          SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
          DEPLOY_PORT: ${{ secrets.DEPLOY_PORT }}
        run: |
          mkdir -p ~/.ssh && chmod 700 ~/.ssh
          printf '%s\n' "$SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          cat > ~/.ssh/config <<EOF
          Host deploy-target
            HostName $DEPLOY_HOST
            User $DEPLOY_USER
            Port ${DEPLOY_PORT:-22}
            IdentityFile ~/.ssh/deploy_key
            IdentitiesOnly yes
            # 不预先登记服务器公钥，第一次连接时自动接受
            StrictHostKeyChecking accept-new
            # 认证失败立即报错，不等输入密码
            BatchMode yes
            ConnectTimeout 30
            ServerAliveInterval 30
          EOF

      - name: 部署（在服务器上拉代码、构建、重启）
        if: steps.check.outputs.configured == 'true'
        run: ssh deploy-target "cd ${{ vars.DEPLOY_DIR || 'IOT_SIM' }} && deploy/update.sh ${{ github.sha }}"