name: Build C++ DLL

# Trigger on version tags (e.g. v1.7.0) or manually
on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:

permissions:
  contents: write

jobs:
  # ── Build x64 and Win32 release DLLs ─────────────────────────────────────────
  build:
    runs-on: windows-2022
    strategy:
      matrix:
        platform: [x64, Win32]

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

      - name: Setup MSBuild
        uses: microsoft/setup-msbuild@v2

      # Override the v120 platform toolset with the VS 2022 toolset (v143).
      # The rdpwrap C++ source is standard Win32 API code and compiles cleanly
      # with any modern MSVC version.
      - name: Build rdpwrap.dll (${{ matrix.platform }})
        working-directory: src-x86-x64-Fusix
        run: |
          msbuild RDPWrap.vcxproj `
            /p:Configuration=Release `
            /p:Platform="${{ matrix.platform }}" `
            /p:PlatformToolset=v143 `
            /p:WindowsTargetPlatformVersion=10.0

      - name: Upload ${{ matrix.platform }} artifact
        uses: actions/upload-artifact@v4
        with:
          name: rdpwrap-dll-${{ matrix.platform }}
          path: src-x86-x64-Fusix/${{ matrix.platform }}/Release/rdpwrap.dll
          if-no-files-found: error

  # ── Assemble a GitHub Release from both DLL artifacts ────────────────────────
  release:
    needs: build
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/')

    steps:
      - name: Download x64 artifact
        uses: actions/download-artifact@v4
        with:
          name: rdpwrap-dll-x64
          path: ./dist/x64

      - name: Download Win32 artifact
        uses: actions/download-artifact@v4
        with:
          name: rdpwrap-dll-Win32
          path: ./dist/x86

      - name: Rename DLLs for release
        run: |
          mv dist/x64/rdpwrap.dll dist/rdpwrap_x64.dll
          mv dist/x86/rdpwrap.dll dist/rdpwrap_x86.dll

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          make_latest: false
          body: |
            ## RDP Wrapper DLL – ${{ github.ref_name }}

            Built from `src-x86-x64-Fusix/` with MSVC v143 (VS 2022).

            | File | Architecture |
            |---|---|
            | `rdpwrap_x64.dll` | x86-64 (64-bit Windows) |
            | `rdpwrap_x86.dll` | x86 (32-bit Windows) |

            > Place the appropriate DLL in `C:\Program Files\RDP Wrapper\rdpwrap.dll`
            > and run `RDPWInst.exe -i` to install.
          files: |
            dist/rdpwrap_x64.dll
            dist/rdpwrap_x86.dll