name: PR Preview

on:
  pull_request:
    # Trigger the workflow on these PR events:
    types: [opened, synchronize, reopened]
    # Limit to specific branches:
    branches: [ main, develop ]

jobs:
  build:
    runs-on: ubuntu-latest

    permissions:
      contents: write
      deployments: write
      pull-requests: write

    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: 'yarn'

      - name: Build
        run: |
          yarn install --production --frozen-lockfile
          yarn build-preview
          rm -rf dist/web.tgz

      - name: Deploy to Cloudflare Pages
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          gitHubToken: ${{ secrets.GITHUB_TOKEN }}
          command: pages deploy dist --project-name=data-preview --branch=pr-${{ github.event.pull_request.number }}
      
      - name: Pull request comment
        uses: actions/github-script@v6
        with:
          script: |
            const prNumber = context.payload.pull_request.number;
            const now = new Date().toISOString().substring(0, 19).replace('T', ' ');
            const reviewBody = `🐱 感谢贡献！\n\n部署了预览，在这里哦: https://pr-${prNumber}.data-preview.pages.dev\n\n🕒 最后更新: ${now} (UTC)`;
            
            // 获取现有 review
            const { data: reviews } = await github.rest.pulls.listReviews({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: prNumber,
            });
            const existingReview = reviews.find(review => review.body.includes('部署了预览'));
            if (existingReview) {
              // 如果已经有 review，更新它
              await github.rest.pulls.updateReview({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: prNumber,
                review_id: existingReview.id,
                body: reviewBody,
              });
            } else {
              // 如果没有 review，创建新的 review
              await github.rest.pulls.createReview({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: prNumber,
                body: reviewBody,
                event: "COMMENT",
              });
            }