name: Build libsm64

on:
  push:
    branches:
      - "**"
  pull_request:

jobs:
  Build:
    name: Build libsm64 for ${{ matrix.identifier }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - identifier: linux
            os: ubuntu-latest
          - identifier: windows
            os: ubuntu-latest

    runs-on: ${{ matrix.os }}

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

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.10"

      - name: (Windows) Install MinGW
        if: matrix.identifier == 'windows'
        run: |
          sudo apt-get update -y -qq
          sudo apt-get install -y mingw-w64
          sudo update-alternatives --set x86_64-w64-mingw32-gcc /usr/bin/x86_64-w64-mingw32-gcc-posix
          sudo update-alternatives --set x86_64-w64-mingw32-g++ /usr/bin/x86_64-w64-mingw32-g++-posix

      - name: (Linux) Install dependencies
        if: matrix.identifier == 'linux'
        run: |
          sudo apt-get update -y -qq
          sudo apt-get install -y libsdl2-dev libglew-dev

      - name: Build shared library
        shell: bash
        run: |
          if [[ "${{ matrix.identifier }}" == "windows" ]]; then
            make lib -j $(nproc 2>/dev/null || sysctl -n hw.ncpu) \
              CC=x86_64-w64-mingw32-gcc \
              CXX=x86_64-w64-mingw32-g++
          else
            make lib -j $(nproc 2>/dev/null || sysctl -n hw.ncpu)
          fi

      - name: Build test executable (Linux only)
        if: matrix.identifier == 'linux'
        run: make test -j$(nproc)

      - name: Prepare artifacts
        run: |
          mkdir -p artifacts/${{ matrix.identifier }}
          cp -r dist artifacts/${{ matrix.identifier }}/
          cp README.md artifacts/${{ matrix.identifier }}/

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: libsm64_${{ matrix.identifier }}
          path: artifacts/${{ matrix.identifier }}

  Release:
    name: Snapshot Release
    runs-on: ubuntu-latest
    needs: Build

    # IMPORTANT: prevents running on tag pushes
    if: github.ref_type == 'branch'

    steps:
      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts

      - name: Create Release
        id: release
        uses: gitea/actions/gitea-release-action@v1
        with:
          api_key: ${{ secrets.GITEA_TOKEN }}
          owner: NepuShiro
          repo: libsm64
          tag_name: build-${{ github.sha }}
          release_name: Snapshot Build ${{ github.sha }}
          prerelease: true

      - name: Upload Linux artifact
        uses: actions/upload-release-asset@v1
        with:
          upload_url: ${{ steps.release.outputs.upload_url }}
          asset_path: artifacts/libsm64_linux.zip
          asset_name: libsm64_linux.zip
          asset_content_type: application/zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITEA_TOKEN }}

      - name: Upload Windows artifact
        uses: actions/upload-release-asset@v1
        with:
          upload_url: ${{ steps.release.outputs.upload_url }}
          asset_path: artifacts/libsm64_windows.zip
          asset_name: libsm64_windows.zip
          asset_content_type: application/zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITEA_TOKEN }}