name: Build Windows Package

on:
  push: # testing until merged into master
  workflow_dispatch:

jobs:
  build:
    name: Build on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [windows-2019]
        ghc: ["8.6.5"]
        cabal: ["2.4"]

    steps:
    - uses: actions/checkout@v2

    - name: Setup MSYS2
      uses: msys2/setup-msys2@v2
      with:
        install: >-
          base-devel
          gcc

    - name: Setup Haskell
      uses: actions/setup-haskell@v1
      id: setup-haskell-cabal
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: ${{ matrix.cabal }}

    - name: Install build tools
      run: |
        cabal install alex happy

    - name: Build C runtime
      shell: msys2 {0}
      run: |
        cd src/runtime/c
        autoreconf -i
        ./configure
        make
        make install

    - name: Build GF
      run: |
        cabal install --only-dependencies -fserver
        cabal configure -fserver
        cabal build

    - name: Upload exe to artifact
      uses: actions/upload-artifact@v2
      with:
        name: gf-${{ github.sha }}-windows
        path: dist\build\gf\gf.exe
        if-no-files-found: error