#include "camera/camera.h"
#include "renderer/simplerenderer.h"
#include "scene/scene.h"
#include <iostream>
#include <chrono>
#include <iomanip>

Texture SimpleRenderer::renderImage(Scene const &scene, Camera const &camera, int width, int height) {
  Texture image(width, height);

  // Calculate the aspect ratio
  float max_x = std::min(1.0f, static_cast<float>(width) / height);
  float max_y = std::min(1.0f, static_cast<float>(height) / width);

  // Create the image by casting one ray into the scene for each pixel
  float pixel_step_x = 2 * max_x / width;
  float pixel_step_y = 2 * max_y / width;
  for (int x = 0; x < width; x++) {
      for (int y = 0; y < height; y++) {
          Ray ray = camera.createRay((x - width/2) * pixel_step_x, (y - width/2) * pixel_step_y);
          image.setPixelAt(x, y, scene.traceRay(ray));
      }
  }
  return image;
}