name: Vulkan CI/CD

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        build_type: [Debug, Release]

    steps:
    - uses: actions/checkout@v3
      with:
        submodules: recursive

    - name: Install Vulkan SDK
      uses: humbletim/install-vulkan-sdk@v1.1.1
      with:
        version: latest
        cache: true

    - name: Configure CMake
      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{matrix.build_type}}

    - name: Build
      run: cmake --build ${{github.workspace}}/build --config${{matrix.build_type}}

    - name: Test
      working-directory: ${{github.workspace}}/build
      run: ctest -C ${{matrix.build_type}}

    - name: Package
      if: matrix.build_type == 'Release'
      run: |
        # Platform-specific packaging commands
        if [ "${{ matrix.os }}" == "ubuntu-latest" ]; then
          # Linux packaging (e.g., .deb or .AppImage)
          echo "Packaging for Linux"
        elif [ "${{ matrix.os }}" == "windows-latest" ]; then
          # Windows packaging (e.g., .exe installer)
          echo "Packaging for Windows"
        elif [ "${{ matrix.os }}" == "macos-latest" ]; then
          # macOS packaging (e.g., .app bundle or .dmg)
          echo "Packaging for macOS"
        fi

import std;
import vulkan_raii;

// A testable function using vk::raii
bool create_pipeline(vk::raii::Device& device,
                     vk::raii::RenderPass& render_pass,
                     vk::raii::PipelineLayout& layout,
                     vk::raii::Pipeline& out_pipeline) {
    try {
        // Pipeline creation code using RAII
        return true;
    } catch (vk::SystemError& err) {
        std::cerr << "Failed to create pipeline: " << err.what() << std::endl;
        return false;
    }
}

// In a test file
TEST_CASE("Pipeline creation") {
    // Setup test environment with mock or real Vulkan objects
    vk::raii::Context context;
    auto instance = create_test_instance(context);
    auto device = create_test_device(instance);
    auto render_pass = create_test_render_pass(device);
    auto layout = create_test_pipeline_layout(device);

    vk::raii::Pipeline pipeline{nullptr};
    REQUIRE(create_pipeline(device, render_pass, layout, pipeline));
    REQUIRE(pipeline);
}

import std;
import vulkan_raii;

class HeadlessRenderer {
public:
    HeadlessRenderer() {
        // Initialize Vulkan without surface
        init_vulkan();
    }

    bool render_frame() {
        // Render to an image without presenting
        try {
            // Rendering code
            return true;
        } catch (vk::SystemError& err) {
            std::cerr << "Render failed: " << err.what() << std::endl;
            return false;
        }
    }

    // Compare rendered image with reference
    bool verify_output(const std::string& reference_image) {
        // Image comparison code
        return true;
    }

private:
    void init_vulkan() {
        // Vulkan initialization code
    }

    vk::raii::Context context;
    vk::raii::Instance instance{nullptr};
    vk::raii::PhysicalDevice physical_device{nullptr};
    vk::raii::Device device{nullptr};
    // Other Vulkan objects
};

// In a test file
TEST_CASE("Render output matches reference") {
    HeadlessRenderer renderer;
    REQUIRE(renderer.render_frame());
    REQUIRE(renderer.verify_output("reference_image.png"));
}