name: CSharp Server Gate

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build-and-test:
    name: Repository policy, C# build and test
    runs-on: [self-hosted, Linux, X64]
    steps:
      - uses: actions/checkout@v4

      - name: Enforce repository runtime policy
        run: bash server/scripts/verify-no-legacy-runtime.sh

      - uses: actions/setup-dotnet@v4
        # The runner user cannot write to system /usr/share/dotnet; install the
        # pinned SDK into a runner-writable, cached path instead. runner.* context
        # is only valid at step scope, not job-level env.
        env:
          DOTNET_INSTALL_DIR: ${{ runner.tool_cache }}/dotnet
        with:
          dotnet-version: "8.0.x"

      - name: Build C# server
        working-directory: server
        run: dotnet build CommonwealthOnline.Server.csproj -c Release --nologo

      - name: Run C# server tests
        working-directory: server
        run: dotnet run --project tests/CommonwealthOnline.Server.Tests.csproj -c Release

      - name: Check Linux scripts
        working-directory: server
        run: |
          chmod +x start.sh fix-port.sh scripts/linux_compat_checks.sh scripts/verify-no-legacy-runtime.sh
          bash -n start.sh
          bash -n fix-port.sh
          bash -n scripts/linux_compat_checks.sh
          bash -n scripts/verify-no-legacy-runtime.sh
          bash scripts/linux_compat_checks.sh

      - name: Publish Linux server
        working-directory: server
        run: dotnet publish CommonwealthOnline.Server.csproj -c Release -r linux-x64 --self-contained false -o publish/linux-x64 --nologo

      - name: Verify published entrypoint
        working-directory: server
        run: test -f publish/linux-x64/CommonwealthOnline.Server.dll