name: PHPStan

permissions: {}

on:
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:
    paths:
      - '**.php'
      - composer.json
      - tools/phpstan/composer.json
      - phpstan.neon.dist
      - .github/workflows/phpstan.yml

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

jobs:
  phpstan:
    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.experimental }}
    strategy:
      fail-fast: false
      matrix:
        php-versions: ['8.1', '8.5']
        prefer: ['prefer-stable', 'prefer-lowest']
        experimental: [false]
        include:
          - php-versions: 8.6
            prefer: prefer-source
            experimental: true
    name: PHPStan with PHP ${{ matrix.php-versions }} ${{ matrix.prefer }}

    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Setup PHP
        uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 # 2.37.2
        with:
          php-version: ${{ matrix.php-versions }}
          coverage: none
        env:
          fail-fast: true

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

      - name: Cache dependencies
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ steps.composer-cache.outputs.dir }}
          key: ${{ runner.os }}-composer-${{ matrix.prefer }}-${{ hashFiles('**/composer.json') }}
          restore-keys: ${{ runner.os }}-composer-${{ matrix.prefer }}-

      - name: Install dependencies
        env:
          MATRIX_EXPERIMENTAL: ${{ matrix.experimental }}
          MATRIX_PREFER: ${{ matrix.prefer }}
        run: |
          if [ "${MATRIX_PREFER}" = "prefer-lowest" ]; then
            export COMPOSER_NO_BLOCKING=1
          fi

          if [ "${MATRIX_EXPERIMENTAL}" == "true" ]; then
            sed -E -i composer.json \
              -e 's/"minimum-stability":[^,]*/"minimum-stability": "dev"/' \
              -e 's/"prefer-stable":[^,]*/"prefer-stable": false/'
            export COMPOSER_IGNORE_PLATFORM_REQ="php+"
          fi

          composer update --no-progress --${MATRIX_PREFER} --optimize-autoloader
          composer composer-phpunit -- update --no-progress --optimize-autoloader
          composer composer-phpstan -- update --no-progress --optimize-autoloader

      - name: Run PHPStan
        run: composer phpstan -- analyse