name: .NET Build & Test (Reusable)

on:
  workflow_call:
    inputs:
      solution:
        description: "Solution/project file to build (relative to working-directory). Empty = let dotnet pick the single sln/proj in working-directory"
        required: false
        default: ""
        type: string
      dotnet-version:
        description: ".NET SDK version"
        required: false
        default: "10.0.x"
        type: string
      configuration:
        description: "Build configuration"
        required: false
        default: "Release"
        type: string
      # string, not boolean: act_runner mangles boolean defaults. The value may still arrive as '%!t(string=…)', see Build step.
      warnaserror:
        description: "Treat build warnings as errors (\"true\"/\"false\")"
        required: false
        default: "true"
        type: string
      working-directory:
        description: "Path where dotnet commands are executed (relative to repo root)"
        required: false
        default: "."
        type: string
      test-filter:
        description: "Optional dotnet test --filter expression"
        required: false
        default: ""
        type: string

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    env:
      DOTNET_CLI_TELEMETRY_OPTOUT: "1"
      DOTNET_NOLOGO: "1"
      SOLUTION: ${{ inputs.solution }}
      CONFIGURATION: ${{ inputs.configuration }}
      WARNASERROR: ${{ inputs.warnaserror }}
      TEST_FILTER: ${{ inputs.test-filter }}

    defaults:
      run:
        shell: bash
        working-directory: ${{ inputs.working-directory }}

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Setup .NET
        uses: actions/setup-dotnet@v6
        with:
          dotnet-version: ${{ inputs.dotnet-version }}

      - name: Restore
        run: dotnet restore ${SOLUTION:+"$SOLUTION"}

      - name: Build
        run: |
          ARGS=(-c "$CONFIGURATION" --no-restore)
          # act_runner may deliver the value mangled as '%!t(string=false)', so match by substring.
          case "${WARNASERROR,,}" in
            *false*) ;;
            *) ARGS+=(-warnaserror) ;;
          esac
          set -x
          dotnet build ${SOLUTION:+"$SOLUTION"} "${ARGS[@]}"

      - name: Test
        run: |
          ARGS=(-c "$CONFIGURATION" --no-build)
          if [ -n "$TEST_FILTER" ]; then
            ARGS+=(--filter "$TEST_FILTER")
          fi
          dotnet test ${SOLUTION:+"$SOLUTION"} "${ARGS[@]}"