ci.yml

name: CI

on:
  push:
    branches: [main, develop]
  pull_request:
    branches: [main, develop]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Run lint
        run: pnpm lint

  typecheck:
    name: TypeScript Check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Run typecheck
        run: pnpm typecheck

  test:
    name: Test (Node ${{ matrix.node-version }}, ${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        node-version: [24, 25]
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build packages
        run: pnpm build

      - name: Run tests
        run: pnpm test

  test-coverage:
    name: Test Coverage
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build packages
        run: pnpm build

      - name: Run tests with coverage
        run: pnpm test --coverage

      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          files: ./coverage/coverage-final.json
          flags: unittests
          name: codecov-umbrella
          fail_ci_if_error: false

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

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build all packages
        run: pnpm build

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-artifacts
          path: |
            packages/*/dist
            examples/storefront/dist
          retention-days: 7

  e2e:
    name: E2E Tests
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Install Playwright browsers
        run: pnpm exec playwright install --with-deps chromium

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: build-artifacts

      - name: Run E2E tests
        run: pnpm exec playwright test

      - name: Upload test results
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: playwright-report/
          retention-days: 7

  benchmark:
    name: Performance Benchmarks
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build packages
        run: pnpm build

      - name: Run benchmarks
        run: pnpm bench

      - name: Comment benchmark results
        uses: actions/github-script@v7
        if: always()
        with:
          script: |
            const fs = require('fs');
            const benchmarkResults = fs.existsSync('benchmark-results.json')
              ? fs.readFileSync('benchmark-results.json', 'utf8')
              : 'No benchmark results generated';

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `## Benchmark Results\n\n\`\`\`json\n${benchmarkResults}\n\`\`\``
            });

  bundle-size:
    name: Bundle Size Check
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 9.15.4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: 'pnpm'

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: build-artifacts

      - name: Checkout base branch
        if: github.event_name == 'pull_request'
        run: |
          git fetch origin ${{ github.base_ref }}
          git checkout origin/${{ github.base_ref }} -- metrics/bundle-size-baseline.json || echo "No baseline found"

      - name: Check bundle sizes
        id: bundle-check
        run: |
          if [ "${{ github.event_name }}" == "pull_request" ]; then
            node scripts/check-budgets.mjs --compare --ci --json > bundle-size-results.json || true
          else
            node scripts/check-budgets.mjs --save-history --json > bundle-size-results.json
          fi
          cat bundle-size-results.json

      - name: Comment PR with bundle size report
        uses: actions/github-script@v7
        if: github.event_name == 'pull_request'
        with:
          script: |
            const fs = require('fs');

            let results;
            try {
              results = JSON.parse(fs.readFileSync('bundle-size-results.json', 'utf8'));
            } catch (e) {
              console.log('Failed to parse results:', e);
              return;
            }

            // Format the report
            let body = '## Bundle Size Report\n\n';

            // Summary table
            body += '### Summary\n\n';
            body += '| Metric | Value |\n';
            body += '|--------|-------|\n';
            body += `| Total packages | ${results.summary.totalPackages} |\n`;
            body += `| Total files | ${results.summary.totalFiles} |\n`;
            body += `| Total size (gzip) | ${(results.summary.totalSizeGzip / 1024).toFixed(2)} KB |\n`;
            body += `| Budgets passed | ${results.summary.budgetsPassed ? '✅ Yes' : '❌ No'} |\n\n`;

            // Package details
            for (const [pkgName, pkgData] of Object.entries(results.packages)) {
              body += `### ${pkgName}\n\n`;

              if (pkgData.error) {
                body += `⚠️ ${pkgData.error}\n\n`;
                continue;
              }

              body += '| File | Size (gzip) | Budget | Status |\n';
              body += '|------|-------------|--------|--------|\n';

              for (const file of pkgData.files || []) {
                const fileName = file.name || file.file;
                const size = (file.gzipSize / 1024).toFixed(2);
                const budget = file.budget ? (file.budget / 1024).toFixed(2) : '-';
                const status = file.budgetPassed !== false ? '✅' : '❌';
                body += `| ${fileName} | ${size} KB | ${budget} KB | ${status} |\n`;
              }
              body += '\n';
            }

            // Regressions
            if (results.regressions && results.regressions.length > 0) {
              body += '### ⚠️ Size Regressions Detected\n\n';
              body += '| Package/File | Old Size | New Size | Change |\n';
              body += '|--------------|----------|----------|--------|\n';

              for (const reg of results.regressions) {
                const oldSize = (reg.oldSize / 1024).toFixed(2);
                const newSize = (reg.newSize / 1024).toFixed(2);
                const change = reg.change > 0 ? `+${reg.change.toFixed(1)}%` : `${reg.change.toFixed(1)}%`;
                body += `| ${reg.package}/${reg.file} | ${oldSize} KB | ${newSize} KB | ${change} |\n`;
              }
              body += '\n';
            }

            body += '\n---\n';
            body += '*Bundle size check powered by PhilJS size monitoring*';

            // Post comment
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: body
            });

      - name: Upload bundle size results
        uses: actions/upload-artifact@v4
        if: always()
        with:
          name: bundle-size-results
          path: bundle-size-results.json
          retention-days: 30

      - name: Fail if regressions detected
        if: github.event_name == 'pull_request'
        run: |
          if ! node scripts/check-budgets.mjs --compare --ci; then
            echo "Bundle size check failed - see report above"
            exit 1
          fi

      - name: Commit updated baseline
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add metrics/bundle-size-baseline.json metrics/bundle-size-history.json
          git diff --staged --quiet || git commit -m "Update bundle size baseline [skip ci]"
          git push