name: PR Build VSIX

on:
  pull_request:
    types: [opened, reopened, ready_for_review, synchronize]
    branches: [main]

# Cancel in-flight builds for the same PR when a new push arrives.
concurrency:
  group: pr-build-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  build-regular:
    name: Build Regular VSIX
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js and pnpm
        uses: ./.github/actions/setup-node-pnpm
        with:
          install-args: '--frozen-lockfile'

      - name: Build VSIX
        run: pnpm vsix

      - name: Upload Regular VSIX
        uses: actions/upload-artifact@v4
        with:
          name: roo-code
          path: bin/*.vsix
          retention-days: 14

  build-nightly:
    name: Build Nightly VSIX
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js and pnpm
        uses: ./.github/actions/setup-node-pnpm
        with:
          install-args: '--frozen-lockfile'

      - name: Forge numeric Nightly version
        id: version
        env:
          RUN_NUMBER: ${{ github.run_number }}
        run: echo "number=$(( 5500 + ${RUN_NUMBER} ))" >> "$GITHUB_OUTPUT"

      - name: Patch package.json version
        env:
          VERSION_NUMBER: ${{ steps.version.outputs.number }}
        run: |
          node <<'EOF'
            const fs = require('fs');
            const path = require('path');
            const pkgPath = path.join(__dirname, 'apps', 'vscode-nightly', 'package.nightly.json');
            const pkg = JSON.parse(fs.readFileSync(pkgPath, 'utf8'));
            const [maj, min] = pkg.version.split('.');
            pkg.version = `${maj}.${min}.${process.env.VERSION_NUMBER}`;
            fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2));
            console.log(`Nightly version set to ${pkg.version}`);
          EOF

      - name: Build Nightly VSIX
        run: pnpm vsix:nightly

      - name: Upload Nightly VSIX
        uses: actions/upload-artifact@v4
        with:
          name: roo-code-nightly
          path: bin/*.vsix
          retention-days: 14

  comment:
    name: Post PR Comment
    runs-on: ubuntu-latest
    needs: [build-regular, build-nightly]
    permissions:
      pull-requests: write
    steps:
      - name: Post or update PR comment with build links
        uses: actions/github-script@v7
        with:
          script: |
            const runUrl = `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`;
            const sha = context.payload.pull_request.head.sha.substring(0, 7);

            const body = [
              `### VSIX Build Artifacts`,
              ``,
              `Build artifacts for commit \`${sha}\` are ready for review:`,
              ``,
              `| Variant | Artifact |`,
              `|---------|----------|`,
              `| **Regular** | \`roo-code\` |`,
              `| **Nightly** | \`roo-code-nightly\` |`,
              ``,
              `[Download artifacts from this workflow run](${runUrl}#artifacts)`,
              ``,
              `> Install with: \`code --install-extension path/to/file.vsix\``,
            ].join('\n');

            // Look for an existing comment from this workflow so we update
            // instead of creating a new one on every push.
            const marker = '### VSIX Build Artifacts';
            const comments = await github.paginate(github.rest.issues.listComments, {
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              per_page: 100,
            });

            const existing = comments.find(
              (c) => c.user.type === 'Bot' && c.body.startsWith(marker),
            );

            if (existing) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: existing.id,
                body,
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: context.issue.number,
                body,
              });
            }