#include "render.h"
#include "arpa/inet.h"
#include "ui.h"
#include "vk_mem_alloc.h"
#include "vulkan/vk_enum_string_helper.h"
#include "vulkan/vulkan_core.h"

#include "ft2build.h"
#include FT_FREETYPE_H

VkResult render_thread(GLFWwindow* window, RenderContext* render_context) {
  VkResult result;
  UIContextStorage ui;
  FT_Library library;
  FontStorage font;
  uint32_t* charmap;
  VkBuffer temp_buffer;
  VmaAllocation temp_memory;
  void* mapped;
  UILayerStorage layer = {};

  result = create_ui_context(render_context->device, render_context->allocator, render_context->render_pass, &ui);
  if(result != VK_SUCCESS) {
    return result;
  }

  if(FT_Init_FreeType(&library) != FT_Err_Ok) {
    return VK_ERROR_UNKNOWN;
  }

  result = load_font(render_context->device, render_context->allocator, ui.font_infos, ui.font_samplers, ui.font_textures, 0, render_context->transfer_pool, render_context->transfer_queue, library, "test.ttf", 16, VK_TRUE, &charmap, &font);
  if(result != VK_SUCCESS) {
    return result;
  }

  result = create_transfer_buffer(2*sizeof(String) + 100*sizeof(uint32_t), render_context->allocator, &temp_buffer, &temp_memory, (void**)&mapped);
  if(result != VK_SUCCESS) {
    return result;
  }

  vkQueueWaitIdle(render_context->transfer_queue.handle);
  vmaUnmapMemory(render_context->allocator, temp_memory);
  vmaDestroyBuffer(render_context->allocator, temp_buffer, temp_memory);

  while(glfwWindowShouldClose(window) == 0) {
    glfwPollEvents();

    result = draw_frame(render_context, &ui, &layer, 1);
    if(result != VK_SUCCESS) {
      fprintf(stderr, "draw_frame error: %s\n", string_VkResult(result));
      return result;
    }
  }
  return 0;
}

int logic_thread() {
  return 0;
}

int network_thread() {
  return 0;
}

int main() {
  GLFWwindow* window = init_window();
  if(window == NULL) {
    return 1;
  }

  RenderContext render_context = {};
  if(init_vulkan(window, &render_context) != VK_SUCCESS) {
    return 2;
  }

  if(render_thread(window, &render_context) != VK_SUCCESS) {
    return 3;
  }

  return 0;
}