name: npm Package Verification

on:
  pull_request:
    paths:
      - 'npm/**'
      - '.github/workflows/npm-verify.yml'
  push:
    tags:
      - 'v*'

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

permissions:
  contents: read

jobs:
  verify:
    name: Verify npm Package
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5

      - uses: actions/setup-node@v5
        with:
          node-version: '22'

      - name: Install dependencies
        working-directory: npm
        run: npm ci

      - name: Lint (ESLint)
        working-directory: npm
        run: npm run lint

      - name: Format Check (Prettier)
        working-directory: npm
        run: npm run format:check

      - name: Build TypeScript
        working-directory: npm
        run: tsc

      - name: Run tests
        working-directory: npm
        run: npm test

      - name: Check for source .ts files in package
        working-directory: npm
        run: |
          # Create the tarball and check its actual contents
          npm pack > /dev/null 2>&1
          TARBALL=$(ls -t pinchtab-*.tgz | head -1)
          SOURCES=$(tar -tzf "$TARBALL" | grep -E "\.ts$" | grep -v "\.d\.ts" || true)
          if [ -n "$SOURCES" ]; then
            echo "❌ ERROR: Source .ts files in package:"
            echo "$SOURCES"
            exit 1
          fi
          echo "✅ No source .ts files in tarball"
          rm "$TARBALL"

      - name: Check for test files in package
        working-directory: npm
        run: |
          TESTS=$(npm pack --dry-run 2>&1 | grep "dist/tests" || true)
          if [ -n "$TESTS" ]; then
            echo "❌ ERROR: Test files in package:"
            echo "$TESTS"
            exit 1
          fi
          echo "✅ No test files in package"

      - name: Check for source maps in package
        working-directory: npm
        run: |
          MAPS=$(npm pack --dry-run 2>&1 | grep "\.map$" || true)
          if [ -n "$MAPS" ]; then
            echo "❌ ERROR: Source maps in package:"
            echo "$MAPS"
            exit 1
          fi
          echo "✅ No source maps in package"

      - name: Verify required files exist
        working-directory: npm
        run: |
          REQUIRED=(
            "dist/src/index.js"
            "dist/src/index.d.ts"
            "scripts/postinstall.js"
            "bin/pinchtab"
            "LICENSE"
          )

          PACK_OUTPUT=$(npm pack --dry-run 2>&1)

          for file in "${REQUIRED[@]}"; do
            if echo "$PACK_OUTPUT" | grep -q "$file"; then
              echo "✅ $file"
            else
              echo "❌ Missing: $file"
              exit 1
            fi
          done

      - name: Check postinstall.js syntax
        working-directory: npm
        run: |
          node -c scripts/postinstall.js
          echo "✅ postinstall.js valid JavaScript"

      - name: Verify package metadata
        working-directory: npm
        run: |
          node -e "
            const pkg = require('./package.json');
            const checks = [
              { name: 'name', value: pkg.name === 'pinchtab' },
              { name: 'version', value: !!pkg.version },
              { name: 'files array', value: Array.isArray(pkg.files) && pkg.files.length > 0 },
              { name: 'postinstall script', value: !!pkg.scripts.postinstall },
              { name: 'bin.pinchtab', value: !!pkg.bin.pinchtab }
            ];

            let failed = false;
            checks.forEach(check => {
              if (check.value) {
                console.log('✅', check.name);
              } else {
                console.log('❌', check.name, 'missing or invalid');
                failed = true;
              }
            });

            if (failed) process.exit(1);
          "

      - name: Check package size
        working-directory: npm
        run: |
          SIZE=$(npm pack --dry-run 2>&1 | tail -1 | awk '{print $NF}' | tr -d 'B')
          echo "📦 Package size: ${SIZE}B"
          if [ "$SIZE" -gt 100000 ]; then
            echo "⚠️  Warning: Package is large (>100KB)"
          fi

      - name: Security audit
        working-directory: npm
        run: npm audit --audit-level=moderate || true

      - name: List package contents
        working-directory: npm
        run: |
          echo "📦 Package will contain:"
          npm pack --dry-run 2>&1 | grep "notice" | awk '{print "  " $3 " (" $2 ")"}'