name: Linux Build

on:
  workflow_call:
    inputs:
      config:
        description: 'Build configuration (Release)'
        required: false
        default: 'release'
        type: string

jobs:
  build:
    name: Build
    runs-on: ubuntu-24.04
    env:
      LLVM_VERSION: 20
      UBUNTU_BASE: noble # We're running on ubuntu-24.04. Remember to change it after changing deploy env.

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Cache Vulkan SDK
        id: cache-vulkan-sdk-linux
        uses: actions/cache@v5
        with:
          path: ~/vulkan-sdk
          key: ${{ runner.os }}-vulkan-sdk-latest

      - name: Setup build environment
        run: |
          wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
          sudo apt-add-repository "deb http://apt.llvm.org/${{ env.UBUNTU_BASE }}/ llvm-toolchain-${{ env.UBUNTU_BASE }}-${{ env.LLVM_VERSION }} main"
          sudo apt-get -y update
          sudo apt-get -y install mesa-vulkan-drivers valgrind libc++-dev libc++abi-dev libgtk-3-dev libsdl2-dev libvulkan-dev libx11-xcb-dev clang-${{ env.LLVM_VERSION }} lld-${{ env.LLVM_VERSION }} ninja-build cmake spirv-tools

          # Pin clang to the correct version
          sudo update-alternatives --install /usr/bin/clang   clang   /usr/bin/clang-${{ env.LLVM_VERSION }}   200
          sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${{ env.LLVM_VERSION }} 200
      - name: Install Vulkan SDK
        run: |
          # Install Vulkan SDK
          if [ '${{ steps.cache-vulkan-sdk-linux.outputs.cache-hit }}' != 'true' ]; then
            wget -qO vulkan-sdk.tar.xz https://sdk.lunarg.com/sdk/download/latest/linux/vulkan-sdk.tar.xz
            mkdir -p ~/vulkan-sdk
            tar -xf vulkan-sdk.tar.xz -C ~/vulkan-sdk
          fi

          VULKAN_SDK_VERSION=$(ls ~/vulkan-sdk)
          echo "VULKAN_SDK=$HOME/vulkan-sdk/$VULKAN_SDK_VERSION/x86_64" >> $GITHUB_ENV
          echo "$HOME/vulkan-sdk/$VULKAN_SDK_VERSION/x86_64/bin" >> $GITHUB_PATH

          # Verify shader tools are available
          for tool in glslangValidator spirv-opt spirv-dis; do
            which "$tool" && "$tool" --version 2>/dev/null || echo "Warning: $tool not found"
          done

      - name: Download submodules
        run: |
          # Exclude not needed 3pp modules
          EXCLUDE="DirectXShaderCompiler"
          SUBMODULES=$(grep -oP '(?<=path = ).+' .gitmodules | grep -vE "$EXCLUDE")
          git submodule update --init --depth=1 -j$(nproc) $SUBMODULES

      - name: Build Xenia
        env:
          CC: clang-${{ env.LLVM_VERSION }}
          CXX: clang++-${{ env.LLVM_VERSION }}
        run: ./xenia-build.py build --config=Release

      - name: Prepare artifacts
        id: prepare_artifacts
        run: |
          binary=build/bin/Linux/Release/xenia_canary
          if [ $(stat -c%s $binary) -le 100000 ]; then
            echo "::error::Binary is too small."
            exit 1
          fi
          chmod +x $binary
          mkdir -p artifacts
          XZ_OPT=-e9 tar cJvpf artifacts/xenia_canary_linux.tar.xz --transform='s|build/bin/Linux/Release/||' $binary LICENSE

      - name: Upload Xenia Canary artifact
        if: steps.prepare_artifacts.outcome == 'success'
        uses: actions/upload-artifact@v7
        with:
          name: xenia_canary_linux.tar.xz
          path: artifacts
          if-no-files-found: error
          retention-days: 7
          archive: false