name: PHPUnit Tests

on:
  # Only run on push to main (not feature branches) to avoid duplicate runs.
  # Feature branches get CI via pull_request trigger.
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:

permissions:
  contents: read

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

jobs:
  test:
    name: PHP ${{ matrix.php }} - WP ${{ matrix.wp }} - ${{ matrix.multisite && 'Multisite' || 'Single Site' }}
    runs-on: ubuntu-latest

    strategy:
      matrix:
        php: [ '7.4', '8.0' ]
        wp: [ 'latest' ]
        multisite: [ false, true ]

    services:
      mysql:
        image: mysql:5.7
        env:
          MYSQL_ROOT_PASSWORD: root
          MYSQL_DATABASE: wordpress_test
        ports:
          - 3306:3306
        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3

    steps:
      - name: Checkout code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7

      - name: Setup PHP
        uses: shivammathur/setup-php@accd6127cb78bee3e8082180cb391013d204ef9f # v2
        with:
          php-version: ${{ matrix.php }}
          extensions: dom, curl, libxml, mbstring, zip, pdo, mysql, pdo_mysql, bcmath, soap, intl, gd, exif, iconv
          coverage: none

      - name: Install Composer dependencies
        uses: ramsey/composer-install@83af392bf5f031813d25e6fe4cd626cdba9a2df6 # v2.2.0

      - name: Install WordPress test suite
        run: |
          set -e
          echo "Installing WordPress test suite with multisite=${{ matrix.multisite }}"
          bash bin/install-wp-tests.sh wordpress_test root root 127.0.0.1 ${{ matrix.wp }} false ${{ matrix.multisite && 'true' || 'false' }}
          echo "WordPress test suite installed successfully"

      - name: Run PHPUnit tests
        env:
          WP_PHPUNIT__DIR: /tmp/wordpress-tests-lib
          WP_TESTS_DIR: /tmp/wordpress-tests-lib
        run: |
          if [ "${{ matrix.multisite }}" = "true" ]; then
            WP_MULTISITE=1 composer test
          else
            composer test
          fi