name: "Check Coding Standards"

on:
  pull_request:
  push:

jobs:
  coding-standards:
    name: "Check Coding Standards"

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

    strategy:
      matrix:
        dependencies:
          - "locked"
        php-version:
          - "7.4"
        operating-system:
          - "ubuntu-latest"

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

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          php-version: "${{ matrix.php-version }}"
          ini-values: memory_limit=-1
          tools: composer:v2, cs2pr

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

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

      - name: "Install lowest dependencies"
        if: ${{ matrix.dependencies == 'lowest' }}
        run: "composer update --prefer-lowest --no-interaction --no-progress"

      - name: "Install highest dependencies"
        if: ${{ matrix.dependencies == 'highest' }}
        run: "composer update --no-interaction --no-progress"

      - name: "Install locked dependencies"
        if: ${{ matrix.dependencies == 'locked' }}
        run: "composer install --no-interaction --no-progress"

      - name: "Coding Standard"
        run: "make phpcs PHPCS_FLAGS='-q --report=checkstyle | cs2pr'"
