/*
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
*/

#include <iostream>
#include <exception>
#include <thread>
#include <cstdlib>
#include <vulkan/vulkan.h>
#include "VulkanInitializers.hpp"

import Crafter.Graphics;
import Crafter.Asset;
import Crafter.Event;
import Crafter.Math;
using namespace Crafter;

typedef VulkanShader<"MeshShaderHeightmapRGBA.spirv", "main", VK_SHADER_STAGE_MESH_BIT_EXT, 2, {{{VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0}, {VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1}}}> MeshVulkanShader;
typedef VulkanShader<"FragmentShaderVertexColor.spirv", "main", VK_SHADER_STAGE_FRAGMENT_BIT, 0, {}> FragmentShader;
typedef VulkanPipeline<MeshVulkanShader, FragmentShader> Pipeline;

int main() {
    VulkanDevice::CreateDevice();
    MeshVulkanShader::CreateShader();
    FragmentShader::CreateShader();
    Pipeline::CreatePipeline();

    WindowWaylandVulkan window("Crafter.Graphics", 1280, 720);

    Camera camera(1.57079633, 1280.0f / 720.0f, 0.01, 512);
    camera.view = MatrixRowMajor<float, 4, 4, 1>::Translation(0, 2, -10);
    camera.Update();
    VkCommandBuffer cmd = window.StartInit();


    DescriptorSet<MeshVulkanShader, FragmentShader> descriptors;
    HeightmapShader<HeightRGBA> meshShader(4, 4, 1, &camera);
    for(uint32_t i = 0; i < 1*1*4*64; i++) {
        meshShader.heights.value[i].height = -0.5;
        meshShader.heights.value[i].r = 255;
        meshShader.heights.value[i].g = 255;
        meshShader.heights.value[i].b = 255;
        meshShader.heights.value[i].a = 255;
    }

    meshShader.WriteDescriptors(descriptors.set[0]);
    meshShader.Update();

    window.FinishInit();

    EventListener<VkCommandBuffer> listener(&window.onDraw, [&descriptors, &meshShader](VkCommandBuffer cmd){
        vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, Pipeline::pipelineLayout, 0, 2, &descriptors.set[0], 0, NULL);
        vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, Pipeline::pipeline);
        VulkanDevice::vkCmdDrawMeshTasksEXTProc(cmd, meshShader.threadCount, 1, 1);
    });

    window.Start();
    while(true) {
        
    }
}