mcp-vercel.yml

name: Vercel MCP-Deploy

on:
  push:
    branches:
      - develop
    paths:
      - '.github/workflows/mcp-vercel.yml'
      - 'packages/samples/react/**'
      - 'packages/tools/mcp/**'
      - 'packages/components/**'
  pull_request:
    paths:
      - '.github/workflows/mcp-vercel.yml'
      - 'packages/components/**'
      - 'packages/samples/react/**'
      - 'packages/tools/mcp/**'
  workflow_dispatch:

concurrency:
  group: 'mcp-vercel-${{ github.ref }}'
  cancel-in-progress: true

permissions:
  attestations: write
  contents: read
  id-token: write
  issues: write
  pull-requests: write

jobs:
  build-and-deploy:
    runs-on: ubuntu-latest
    env:
      PNPM_CACHE_FOLDER: .pnpm
      VERCEL_ORG_ID: ${{ secrets.VERCEL_MCP_TEAM_ID }}
      VERCEL_PROJECT_ID: ${{ secrets.VERCEL_MCP_PROJECT_ID }}
      VERCEL_TOKEN: ${{ secrets.VERCEL_MCP_TOKEN }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Setup pnpm workspace
        uses: ./.github/actions/pnpm-setup

      - name: Build MCP dependencies
        run: |
          echo "🧱 Building MCP workspace dependencies..."
          pnpm --filter @public-ui/mcp run build:deps

      - name: Build MCP package
        run: |
          echo "🔨 Building MCP package..."
          pnpm --filter @public-ui/mcp build

      - name: Verify MCP build artifacts
        working-directory: packages/tools/mcp
        run: |
          echo "📊 Checking built artifacts..."
          echo "Dist directory contents:"
          ls -la dist/ || echo "No dist directory found!"
          echo ""
          echo "Checking for required files:"
          test -f dist/data.mjs && echo "✅ dist/data.mjs exists" || echo "❌ dist/data.mjs missing"
          test -f dist/search.mjs && echo "✅ dist/search.mjs exists" || echo "❌ dist/search.mjs missing"
          test -f dist/mcp.mjs && echo "✅ dist/mcp.mjs exists" || echo "❌ dist/mcp.mjs missing"
          test -f shared/sample-index.json && echo "✅ shared/sample-index.json exists" || echo "❌ shared/sample-index.json missing"
          echo ""
          echo "Sample index stats:"
          jq '.entries | length' shared/sample-index.json || echo "Could not read sample-index.json"
          echo ""
          echo "API directory:"
          ls -la api/ || echo "No API directory found!"
      - name: Strip workspace-only dependencies for Vercel
        working-directory: packages/tools/mcp
        run: |
          echo "🧹 Preparing package.json for Vercel..."
          node <<'NODE'
          const fs = require('fs');
          const path = require('path');

          const pkgPath = path.resolve('package.json');
          const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));

          if (pkg.dependencies && pkg.dependencies['@public-ui/components']) {
            console.log('Removing @public-ui/components dependency before deployment');
            delete pkg.dependencies['@public-ui/components'];
            fs.writeFileSync(pkgPath, `${JSON.stringify(pkg, null, 2)}\n`);
          } else {
            console.log('No @public-ui/components dependency found; nothing to strip.');
          }
          NODE
          pnpm exec prettier --write package.json

      - name: Attest MCP build outputs
        uses: actions/attest-build-provenance@v4
        with:
          subject-path: |
            packages/tools/mcp/api
            packages/tools/mcp/dist
            packages/tools/mcp/shared/sample-index.json

      - name: Deploy to Vercel (production)
        id: deploy_prod
        if: github.ref == 'refs/heads/develop' && (github.event_name == 'push' || github.event_name == 'workflow_dispatch')
        working-directory: packages/tools/mcp
        run: |
          set -eo pipefail
          echo "🚀 Deploying pre-built package to Vercel..."
          DEPLOY_URL=$(pnpm dlx vercel@latest deploy --prod --yes --token "$VERCEL_TOKEN" | tail -n1)
          echo "url=${DEPLOY_URL}" >> "$GITHUB_OUTPUT"
          echo "Production deployment available at ${DEPLOY_URL}"

      - name: Deploy to Vercel (preview)
        id: deploy_preview
        if: github.event_name == 'pull_request'
        working-directory: packages/tools/mcp
        run: |
          set -eo pipefail
          echo "🚀 Deploying pre-built package to Vercel..."
          DEPLOY_URL=$(pnpm dlx vercel@latest deploy --yes --token "$VERCEL_TOKEN" | tail -n1)
          echo "url=${DEPLOY_URL}" >> "$GITHUB_OUTPUT"
          echo "Preview deployment available at ${DEPLOY_URL}"

      - name: Share preview URL in PR
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v8
        env:
          PREVIEW_URL: ${{ steps.deploy_preview.outputs.url }}
        with:
          script: |
            const marker = '<!-- mcp-vercel-preview -->';
            const url = process.env.PREVIEW_URL;
            if (!url) {
              core.setFailed('Missing Vercel preview URL');
              return;
            }
            const body = `${marker}\n🚀 MCP preview deployed to Vercel: ${url}`;
            const { owner, repo } = context.repo;
            const issue_number = context.issue.number;
            const comments = await github.paginate(github.rest.issues.listComments, {
              owner,
              repo,
              issue_number,
            });
            const existing = comments.find((comment) => comment.body.includes(marker));
            if (existing) {
              await github.rest.issues.updateComment({
                owner,
                repo,
                comment_id: existing.id,
                body,
              });
            } else {
              await github.rest.issues.createComment({
                owner,
                repo,
                issue_number,
                body,
              });
            }