name: CI

on:
  - pull_request
  - push

jobs:
  tests:
    strategy:
      matrix:
        include:
          - operating-system: 'ubuntu-20.04'
            php-version: '5.6'
            composer-flags: '--prefer-stable --prefer-lowest' # should be checked on lowest supported PHP version

          - operating-system: 'ubuntu-20.04'
            php-version: '7.0'
            job-description: 'with Sf ^3'
            execute-flex-with-symfony-version: '^3' # Explicit check for Sf 3.x compatibility

          - operating-system: 'ubuntu-20.04'
            php-version: '7.1'
            job-description: 'with Sf ^4'
            execute-flex-with-symfony-version: '^4' # Explicit check for Sf 4.x compatibility

          - operating-system: 'ubuntu-20.04'
            php-version: '7.2'
            job-description: 'with Sf ^5'
            execute-flex-with-symfony-version: '^5' # Explicit check for Sf 5.x compatibility

          - operating-system: 'ubuntu-20.04'
            php-version: '7.3'
            job-description: 'with legacy Tokenizer' # should be checked on any job, one is enough
            PHP_CS_FIXER_TEST_USE_LEGACY_TOKENIZER: 1
            SYMFONY_DEPRECATIONS_HELPER: 'disabled'

          - operating-system: 'ubuntu-20.04'
            php-version: '7.4'
            job-description: 'with calculating code coverage'
            calculate-code-coverage: 'yes'
            phpunit-flags: '--testsuite coverage --exclude-group covers-nothing --coverage-clover build/logs/clover.xml'

          - operating-system: 'ubuntu-20.04'
            php-version: '7.4'
            job-description: 'with migration rules'
            execute-migration-rules: 'yes' # should be checked on highest supported PHP version

          - operating-system: 'ubuntu-20.04'
            php-version: '8.0'
            composer-flags: '--ignore-platform-req=php' # as this is a version not yet officially supported by PHP CS Fixer
            PHP_CS_FIXER_IGNORE_ENV: 1

          - operating-system: 'windows-latest'
            php-version: '7.4'
            job-description: 'on Windows'
            FAST_LINT_TEST_CASES: 1

          - operating-system: 'macos-latest'
            php-version: '7.4'
            job-description: 'on macOS'

    name: PHP ${{ matrix.php-version }} ${{ matrix.job-description }}

    runs-on: ${{ matrix.operating-system }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Get code coverage driver
        uses: actions/github-script@v3.1
        id: code-coverage-driver
        with:
          script: 'return "${{ matrix.calculate-code-coverage }}" == "yes" ? "pcov" : "none"'
          result-encoding: string

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ matrix.php-version }}
          coverage: ${{ steps.code-coverage-driver.outputs.result }}
          tools: flex
        env:
          fail-fast: false # disabled as old PHP version cannot run flex

      - name: Get Composer cache directory
        id: composer-cache
        run: echo "::set-output name=dir::$(composer config cache-dir)"

      - name: Cache dependencies
        uses: actions/cache@v2
        with:
          path: ${{ steps.composer-cache.outputs.dir }}
          key: composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}-${{ matrix.composer-flags }}
          restore-keys: |
            composer-${{ runner.os }}-${{ matrix.php-version }}-${{ hashFiles('**/composer.*') }}-
            composer-${{ runner.os }}-${{ matrix.php-version }}-
            composer-${{ runner.os }}-
            composer-

      - name: Configure Symfony Flex
        run: composer config extra.symfony.require ${{ matrix.execute-flex-with-symfony-version }}
        if: "matrix.execute-flex-with-symfony-version"

      - name: Install dependencies
        uses: nick-invision/retry@v2
        with:
          timeout_minutes: 5
          max_attempts: 5
          retry_wait_seconds: 30
          command: |
            composer update --optimize-autoloader --no-interaction --no-progress ${{ matrix.composer-flags }}
            composer info -D

      - name: Execute migration rules
        run: php php-cs-fixer fix --rules @PHP73Migration,@PHP71Migration:risky,blank_line_after_opening_tag -q
        if: "matrix.execute-migration-rules == 'yes'"

      - name: Run tests
        continue-on-error: ${{ matrix.php-version == '8.0' }}
        env:
          PHP_CS_FIXER_IGNORE_ENV: ${{ matrix.PHP_CS_FIXER_IGNORE_ENV }}
          FAST_LINT_TEST_CASES: ${{ matrix.FAST_LINT_TEST_CASES }}
          PHP_CS_FIXER_TEST_USE_LEGACY_TOKENIZER: ${{ matrix.PHP_CS_FIXER_TEST_USE_LEGACY_TOKENIZER }}
          SYMFONY_DEPRECATIONS_HELPER: ${{ matrix.SYMFONY_DEPRECATIONS_HELPER }}
        run: vendor/bin/phpunit ${{ matrix.phpunit-flags }}

      - name: Upload coverage results to Coveralls
        if: matrix.calculate-code-coverage == 'yes'
        env:
          COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: php vendor/bin/php-coveralls --verbose

      - name: Run PHP CS Fixer
        env:
          PHP_CS_FIXER_IGNORE_ENV: ${{ matrix.PHP_CS_FIXER_IGNORE_ENV }}
          PHP_CS_FIXER_FUTURE_MODE: 1
        run: php php-cs-fixer --diff --dry-run -v fix
