#include "first_app.hpp"
#include "simple_render_system.hpp"

#include <stdexcept>
#include <array>

#define GLM_FORCE_RADIANS
#define GLM_FORCE_DEPTH_ZERO_TO_ONE
#include <glm/glm.hpp>
#include <glm/gtc/constants.hpp>

namespace cve {
  FirstApp::FirstApp() {
    loadGameObjects();
  }

  FirstApp::~FirstApp() {}

  void FirstApp::run() {
    SimpleRenderSystem simpleRenderSystem{cveDevice, cveRenderer.getSwapChainRenderPass()};

    while (!cveWindow.shouldClose()) {
      glfwPollEvents();
      if (auto commandBuffer = cveRenderer.beginFrame()) {
        cveRenderer.beginSwapChainRenderPass(commandBuffer);
        simpleRenderSystem.renderGameObjects(commandBuffer, gameObjects);
        cveRenderer.endSwapChainRenderPass(commandBuffer);
        cveRenderer.endFrame();
      }
    }

    vkDeviceWaitIdle(cveDevice.device());
  }

  void FirstApp::loadGameObjects() {
    std::vector<CveModel::Vertex> verticies {
      {{0.0f, -0.5f}, {1.0f, 0.0f, 0.0f}},
      {{0.5f, 0.5f}, {0.0f, 1.0f, 0.0f}},
      {{-0.5f, 0.5f}, {0.0f, 0.0f, 1.0f}}
    };

    auto cveModel = std::make_shared<CveModel>(cveDevice, verticies);

    auto triangle = CveGameObject::createGameObject();
    triangle.model = cveModel;
    triangle.color = {0.1f, 0.8f, 0.1f};
    triangle.transform2d.translation.x = .2f;
    triangle.transform2d.scale = {2.f, .5f};
    triangle.transform2d.rotation = .25f * glm::two_pi<float>();
    
    gameObjects.push_back(std::move(triangle));
  }
}