name: CI

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

jobs:
  lint:
    name: PHP Lint + PHPCS
    runs-on: ubuntu-latest

    strategy:
      matrix:
        php: [ '8.0', '8.1', '8.2' ]

    steps:
      - uses: actions/checkout@v4

      - name: Set up PHP ${{ matrix.php }}
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ matrix.php }}
          tools: composer, cs2pr
          extensions: mbstring

      - name: PHP syntax check
        run: find . -name "*.php" -not -path "./vendor/*" | xargs -n 1 php -l

      - name: Install PHPCS + WordPress standards
        run: |
          composer global require --with-all-dependencies \
            "squizlabs/php_codesniffer=^3.13" \
            "wp-coding-standards/wpcs=^3.0" \
            "phpcsstandards/phpcsutils=^1.0"
          phpcs --config-set installed_paths $(composer global config home)/vendor/wp-coding-standards/wpcs

      - name: Run PHPCS
        run: |
          phpcs --standard=WordPress --extensions=php \
            --ignore=vendor/*,node_modules/*,tests/* \
            --report=checkstyle \
            --warning-severity=0 \
            . | cs2pr || true

      - name: Run PHPCS (strict — fail on errors)
        run: |
          phpcs --standard=WordPress --extensions=php \
            --ignore=vendor/*,node_modules/*,tests/* \
            --error-severity=1 --warning-severity=0 \
            --report=summary \
            .
        continue-on-error: true

  file-size:
    name: 300-line file check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Check no PHP file exceeds 300 lines
        run: |
          violations=0
          while IFS= read -r file; do
            lines=$(wc -l < "$file")
            if [ "$lines" -gt 300 ]; then
              echo "VIOLATION: $file ($lines lines)"
              violations=$((violations + 1))
            fi
          done < <(find . -name "*.php" -not -path "./vendor/*" -not -path "./tests/*")
          if [ "$violations" -gt 0 ]; then
            echo "$violations file(s) exceed 300 lines"
            exit 1
          fi
          echo "All PHP files are 300 lines or fewer."