#include "img.h"
#include "mem_arena.h"
#include "misc_utils.h"
#include "obj.h"
#include "render.h"
#include "shaders.h"
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <time.h>

#define IMAGE_DIMENSION 1200
#define RESOURCE(NAME) "resources/" NAME

enum {
  TINY_EXIT_SUCCESS,
  TINY_EXIT_ARENA_INIT_FAILED,
  TINY_EXIT_RENDER_INIT_FAILED,
  TINY_EXIT_MODEL_LOAD_FAILED,
};

int main(void) {
  Arena *arena = NULL;
  if (!wapp_mem_arena_init(&arena, GB(10))) {
    return TINY_EXIT_ARENA_INIT_FAILED;
  }

  Colour bg = {.r = 42, .g = 45, .b = 52, .a = 255};
  Colour teal = {.r = 14, .g = 156, .b = 208, .a = 255};
  Render render;
  if (!init_render(arena, &render, IMAGE_DIMENSION, IMAGE_DIMENSION)) {
    return TINY_EXIT_RENDER_INIT_FAILED;
  }

  Model obj = load_obj_file(arena, RESOURCE("head.obj"), RESOURCE("head.pnm"),
                            RESOURCE("head_nm.pnm"));
  if (IS_INVALID_MODEL(obj)) {
    return TINY_EXIT_MODEL_LOAD_FAILED;
  }

  PhongMaterial material = {
      .ambient = 0.3f,
      .diffuse = 1.5f,
      .specular = 0.5f,
      .shininess = 0.1f,
  };
  obj.material = material;

  load_shaders();

  clear_buffer(&(render.img), &bg);
  render_model(&obj, &render, perspective_phong, RENDER_TYPE_SHADED, teal);
  save_image(&(render.img), "result.pam");

  wapp_mem_arena_destroy(&arena);

  return TINY_EXIT_SUCCESS;
}