name: .NET Test
on: [push]

jobs:
  dotnet-test:
    runs-on: ubuntu-latest
    env:
      DOTNET_CLI_TELEMETRY_OPTOUT: 1
      DOTNET_SKIP_FIRST_TIME_EXPERIENCE: 1

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up .NET
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: '8.0.x'

      - name: Detect & build/test
        shell: bash
        run: |
          set -euo pipefail

          has_solution=false
          if find . -maxdepth 2 \( -name '*.sln' -o -name '*.csproj' \) | grep -q .; then
            has_solution=true
          fi

          if $has_solution; then
            echo "Detected .NET project; restoring/building/testing..."
            dotnet restore
            dotnet build --no-restore -c Release

            # Run tests if any project appears to be a test project
            if find . \( -name '*Tests.csproj' -o -name '*.csproj' \) -exec grep -l '<IsTestProject>true</IsTestProject>' {} + | grep -q .; then
              dotnet test --no-build -c Release --verbosity normal
            else
              echo "No test projects found; build succeeded, skipping tests."
            fi
          else
            echo "No .NET project found; creating a tiny solution for a smoke test."
            dotnet new sln -n HelloCI
            dotnet new console -o src/App -n App
            dotnet new xunit   -o tests/App.Tests -n App.Tests
            dotnet sln HelloCI.sln add src/App/App.csproj tests/App.Tests/App.Tests.csproj
            dotnet add tests/App.Tests/App.Tests.csproj reference src/App/App.csproj

            mkdir -p tests/App.Tests
            printf '%s\n' \
              'using Xunit;' \
              'namespace App.Tests;' \
              'public class UnitTest1' \
              '{' \
              '    [Fact] public void Adds() => Assert.Equal(4, 2+2);' \
              '}' > tests/App.Tests/UnitTest1.cs

            dotnet restore
            dotnet build -c Release
            dotnet test -c Release --no-build --verbosity normal
          fi