name: Test extra build flows

on:
  pull_request:
  merge_group:
  #push:
  #  branches: [ main ]
  workflow_dispatch:

jobs:
  pre_job:
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.set_output.outputs.should_skip }}
    steps:
      - id: skip_check
        if: ${{ github.event_name != 'merge_group' }}
        uses: fkirc/skip-duplicate-actions@v5
        with:
          # don't run on documentation changes
          paths_ignore: '["**/README.md", "docs/**", "guidelines/**"]'
          # cancel previous builds if a new commit is pushed
          # but never cancel main
          cancel_others: ${{ github.ref != 'refs/heads/main' }}

      - id: set_output
        run: |
          if [ "${{ github.event_name }}" = "merge_group" ]; then
            echo "should_skip=false" >> $GITHUB_OUTPUT
          else
            echo "should_skip=${{ steps.skip_check.outputs.should_skip }}" >> $GITHUB_OUTPUT
          fi

  vs-build:
    name: Visual Studio build
    runs-on: windows-latest
    needs: [pre_job]
    if: (github.event_name == 'merge_group' || github.event_name == 'workflow_dispatch') && needs.pre_job.outputs.should_skip != 'true'
    steps:
      - uses: actions/checkout@v5
        with:
          submodules: true
          persist-credentials: false

      - name: Setup MSVC
        uses: ilammy/msvc-dev-cmd@v1

      - name: Install flex/bison
        shell: pwsh
        run: |
          choco install winflexbison3 --no-progress

          # Make tools visible to CMake
          echo "C:\Program Files (x86)\GnuWin32\bin" | Out-File -Append -FilePath $env:GITHUB_PATH
          echo "C:\ProgramData\chocolatey\lib\winflexbison3\tools" | Out-File -Append -FilePath $env:GITHUB_PATH

      - name: Configure CMake
        run: >
          cmake -S . -B build
          -A x64
          -DCMAKE_BUILD_TYPE=Release
          -DYOSYS_WITHOUT_ABC=ON

      - name: Build
        run: >
          cmake --build build
          --config Release
          --parallel

  wasi-build:
    name: WASI build
    needs: pre_job
    if: (github.event_name == 'merge_group' || github.event_name == 'workflow_dispatch') && needs.pre_job.outputs.should_skip != 'true'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
        with:
          submodules: true
          persist-credentials: false
      - name: Build
        run: |
          WASI_VER=33
          WASI_SDK=wasi-sdk-${WASI_VER}.0-x86_64-linux
          WASI_SDK_URL=https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_VER}/${WASI_SDK}.tar.gz
          if ! [ -d ${WASI_SDK} ]; then curl -L ${WASI_SDK_URL} | tar xzf -; fi
          WASI_SDK_PATH=$(pwd)/${WASI_SDK}
          FLEX_VER=2.6.4
          FLEX=flex-${FLEX_VER}
          FLEX_URL=https://github.com/westes/flex/releases/download/v${FLEX_VER}/${FLEX}.tar.gz
          if ! [ -d ${FLEX} ]; then curl -L ${FLEX_URL} | tar xzf -; fi

          mkdir -p flex-build
          (cd flex-build &&
            ../${FLEX}/configure --prefix=$(pwd)/../flex-prefix &&
            make &&
            make install)

          export PATH=${WASI_SDK_PATH}/bin:$(pwd)/flex-prefix/bin:${PATH}
          cmake -B build -DCMAKE_TOOLCHAIN_FILE=${WASI_SDK_PATH}/share/cmake/wasi-sdk-p1.cmake -DCMAKE_BUILD_TYPE=Release .
          cmake --build build -j$(nproc)

  nix-build:
    name: "Build nix flake"
    needs: pre_job
    if: (github.event_name == 'merge_group' || github.event_name == 'workflow_dispatch') && needs.pre_job.outputs.should_skip != 'true'
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest]
      fail-fast: false
    steps:
      - uses: actions/checkout@v5
        with:
          submodules: true
          persist-credentials: false
      - uses: cachix/install-nix-action@v31
        with:
          install_url: https://releases.nixos.org/nix/nix-2.30.0/install
      - run: nix build .?submodules=1 -L

  extra-builds-result:
    runs-on: ubuntu-latest
    needs:
      - vs-build
      - wasi-build
      - nix-build
    if: always()
    steps:
      - name: Check results
        run: |
          echo "Needs results: ${{ join(needs.*.result, ',') }}"
          if [[ "${{ join(needs.*.result, ',') }}" == *failure* ]] || \
            [[ "${{ join(needs.*.result, ',') }}" == *cancelled* ]]; then
            echo "Some jobs failed or were cancelled"
            exit 1
          fi
      - run: echo "All good"