name: Linux Validation

on:
  pull_request:
    branches: [ "*" ]

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        config: [Release, Debug]
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true
          submodules: recursive
      - name: Update machine
        run: sudo apt update
      - name: Install dependencies
        run: sudo apt-get install gcc g++ git cmake ninja-build lsb-release libsdl2-dev libpng-dev libsdl2-net-dev libzip-dev zipcmp zipmerge ziptool nlohmann-json3-dev libtinyxml2-dev libspdlog-dev libboost-dev libopengl-dev libogg-dev libvorbis-dev
      - name: Install latest SDL
        run: |
          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
          wget https://www.libsdl.org/release/SDL2-2.24.1.tar.gz
          tar -xzf SDL2-2.24.1.tar.gz
          cd SDL2-2.24.1
          ./configure
          make -j 10
          sudo make install
      - name: Install latest tinyxml2
        run: |
          export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
          wget https://github.com/leethomason/tinyxml2/archive/refs/tags/10.0.0.tar.gz
          tar -xzf 10.0.0.tar.gz
          cd tinyxml2-10.0.0
          mkdir -p build
          cd build
          cmake ..
          make
          sudo make install
      - name: Build
        run: |
          cmake -H. -Bbuild-cmake -GNinja -DCMAKE_BUILD_TYPE=${{ matrix.config }}
          cmake --build build-cmake -j --config ${{ matrix.config }}
      - name: Create Package
        run: |
          mkdir spaghetti-${{ matrix.config }}
          mv build-cmake/Spaghettify spaghetti-${{ matrix.config }}/
      - name: Publish packaged artifacts
        uses: actions/upload-artifact@v4
        with:
          name: spaghetti-linux-x64-${{ matrix.config }}
          path: spaghetti-${{ matrix.config }}
          retention-days: 1
  build-docker:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        config: [Release]
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true
          submodules: recursive

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Cache Docker layers
        uses: actions/cache@v4
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-buildx-${{ hashFiles('script/Dockerfile', 'vcpkg.json') }}
          restore-keys: |
            ${{ runner.os }}-buildx-

      - name: Build Docker image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./script/Dockerfile
          push: false
          load: true
          tags: spaghettikart-builder:latest
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max

      - name: Build project in Docker
        run: |
          docker run --rm \
            -v "${{ github.workspace }}:/project" \
            spaghettikart-builder:latest \
            bash -c "
              cp vcpkg.json /tmp/vcpkg.json && \
              cd /tmp && \
              \${VCPKG_ROOT}/vcpkg install --triplet x64-linux && \
              cd /project && \
              cmake -B build -G Ninja \
                -DCMAKE_BUILD_TYPE=${{ matrix.config }} \
                -DCMAKE_TOOLCHAIN_FILE=/opt/vcpkg/scripts/buildsystems/vcpkg.cmake \
                -DVCPKG_TARGET_TRIPLET=x64-linux && \
              cmake --build build --parallel && \
              make -C torch type=release -j\$(nproc) && \
              torch/cmake-build-release/torch pack assets build/spaghetti.o2r o2r
            "

      - name: Fix permissions
        run: sudo chown -R $(id -u):$(id -g) build

      - name: Generate AppImage
        run: |
          docker run --rm \
            -v "${{ github.workspace }}:/project" \
            spaghettikart-builder:latest \
            bash -c "
              cd /project/build && \
              cpack -G External || true
            "

      - name: Create Package
        run: |
          mkdir -p spaghetti-${{ matrix.config }}
          wget -O gamecontrollerdb.txt https://raw.githubusercontent.com/mdqinc/SDL_GameControllerDB/master/gamecontrollerdb.txt
          mv gamecontrollerdb.txt spaghetti-${{ matrix.config }}/
          cp build/*.appimage spaghetti-${{ matrix.config }}/ 2>/dev/null || true

      - name: Publish packaged artifacts
        uses: actions/upload-artifact@v4
        with:
          name: spaghetti-linux-docker-x64-${{ matrix.config }}
          path: spaghetti-${{ matrix.config }}
          retention-days: 7

      # Workaround for cache growing too large
      - name: Move cache
        run: |
          rm -rf /tmp/.buildx-cache
          mv /tmp/.buildx-cache-new /tmp/.buildx-cache || true