/*
Crafter®.Graphics
Copyright (C) 2025 Catcrafts®
Catcrafts.net

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
*/

module;

#include <cstdint>
#include <string>
#include <vulkan/vulkan.h>
#include <vulkan/vulkan_wayland.h>
#include <vector>
#include <thread>

export module Crafter.Graphics:WindowWaylandVulkan;
import Crafter.Event;
import :WindowWayland;

namespace Crafter {
    struct DepthStencil {
        VkImage image;
        VkDeviceMemory memory;
        VkImageView view;
    };

    struct Semaphores {
		// Swap chain image presentation
		VkSemaphore presentComplete;
		// Command buffer submission and execution
		VkSemaphore renderComplete;
	};

    export class WindowWaylandVulkan : public WindowWayland {
        public:
        Event<VkCommandBuffer> onDraw;
        WindowWaylandVulkan(std::string name, std::uint32_t width, std::uint32_t height);
        ~WindowWaylandVulkan();
        VkCommandBuffer StartInit();
        void FinishInit();
        void Start();
        private:
        void CreateSwapchain();
        VkSurfaceKHR vulkanSurface = VK_NULL_HANDLE;
        VkSwapchainKHR swapChain = VK_NULL_HANDLE;
        VkFormat colorFormat;
        VkColorSpaceKHR colorSpace;
        std::vector<VkImage> images;
        std::vector<VkImageView> imageViews;
        std::thread thread;
        std::vector<VkCommandBuffer> drawCmdBuffers;
        std::vector<VkFramebuffer> frameBuffers;
        VkSubmitInfo submitInfo;
        DepthStencil depthStencil;
        Semaphores semaphores;
        uint32_t currentBuffer = 0;
        VkPipelineStageFlags submitPipelineStages = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
        VkRenderPass renderPass = VK_NULL_HANDLE;
    };
}