name: Basic usage

on:
  push:
  pull_request:
  schedule:
    # Weekly, at 5:30 AM on Saturday (somewhat randomly chosen).
    - cron: '30 5 * * 6'
  workflow_dispatch:

jobs:
  lint:
    runs-on: ubuntu-20.04
    name: Linting
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Run clang-format
        run: ./tools/clang-format.py --clang-format clang-format-10

  build:
    strategy:
      matrix:
        os: [ubuntu-18.04, windows-2016, windows-2019]

        include:
          # Prettier run names.
          - {os: windows-2016, name: VS 2017}
          - {os: windows-2019, name: VS 2019}
          - {os: ubuntu-18.04, name: Ubuntu}

    runs-on: '${{ matrix.os }}'

    name: '${{ matrix.name }}'

    defaults:
      run:
        shell: pwsh

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

      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Cache Boost
        uses: actions/cache@v2.1.4
        with:
          path: boost_*.tar.gz
          key: boost-1.72.0

      - name: Build Boost
        run: |
          python -m project.boost.download --cache . 1.72.0
          python -m project.boost.build -- boost_1_72_0 --with-filesystem

      - name: Build example project
        run: |
          $src_dir = Join-Path examples boost
          python -m project.cmake.build --boost boost_1_72_0 --install install -- $src_dir

      - name: Run example project
        run: |
          $foo_path = Join-Path (Get-Location).Path install bin foo
          if ('${{ runner.os }}' -eq 'Windows') {
              $foo_path += '.exe'
          }

          $relative = 'test.txt'
          $absolute = Join-Path (Get-Location).Path $relative

          $actual = & $foo_path $relative
          echo 'Actual output:'
          echo $actual

          $expected = $foo_path,$absolute
          echo 'Expected output:'
          echo $expected

          if (Compare-Object $actual $expected -CaseSensitive) {
              throw 'Unexpected output'
          }