name: macOS

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]
  workflow_dispatch:

env:
  CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
  CODECOV_XCODE_VERSION: "16.0"  # Xcode version used to generate code coverage

jobs:
  macos:
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: true
      matrix:
        config:
        - { os: "macos-14", xcode: "15.4" }
        - { os: "macos-15", xcode: "16.0" }
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Select Xcode ${{ matrix.config.xcode }}
        run: sudo xcode-select -s /Applications/Xcode_${{ matrix.config.xcode }}.app

      - name: Test
        run: swift test -c release --parallel --xunit-output .build/xUnit-output.xml --enable-code-coverage
        env:
          DEVELOPER_DIR: /Applications/Xcode_${{ matrix.config.xcode }}.app/Contents/Developer

      - name: Upload test artifacts
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: test-artifacts-${{ matrix.config.xcode }}-${{ github.run_id }}
          path: |
            .build/*.yaml
            .build/*.xml
            .build/*.json
            .build/*.txt
            .build/**/*.xctest
            .build/**/*.json
            .build/**/*.txt
          if-no-files-found: warn
          include-hidden-files: true

      # Only run coverage steps if the CODECOV_TOKEN is available and the matrix.xcode matches CODECOV_XCODE_VERSION
      - name: Generate coverage report
        if: env.CODECOV_TOKEN != '' && matrix.config.xcode == env.CODECOV_XCODE_VERSION
        run: xcrun llvm-cov export -format="lcov" .build/**/*PackageTests.xctest/Contents/MacOS/*PackageTests -instr-profile .build/**/codecov/default.profdata > coverage.lcov

      - name: Upload code coverage report
        if: env.CODECOV_TOKEN != '' && matrix.config.xcode == env.CODECOV_XCODE_VERSION
        uses: codecov/codecov-action@v5.4.3
        with:
          token: ${{ env.CODECOV_TOKEN }}
          files: coverage.lcov
          fail_ci_if_error: true