#include "window.h"
#include "SDL_render.h"
#include "SDL_video.h"
#include "aliases/aliases.h"
#include <stdbool.h>

bool init_window(window_t *wnd, const char *title, u64 width, u64 height) {
  wnd->window =
      SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
                       width, height, SDL_WINDOW_SHOWN);
  if (!(wnd->window)) {
    return false;
  }

  wnd->renderer = SDL_CreateRenderer(
      wnd->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
  if (!(wnd->renderer)) {
    cleanup_window(wnd);
    return false;
  }

  wnd->title = title;
  wnd->width = width;
  wnd->height = height;

  return true;
}

void cleanup_window(window_t *wnd) {
  if (wnd->renderer) {
    SDL_DestroyRenderer(wnd->renderer);
    wnd->renderer = NULL;
  }

  if (wnd->window) {
    SDL_DestroyWindow(wnd->window);
    wnd->window = NULL;
  }

  wnd->width = wnd->height = 0;
}

void set_colour(const window_t *wnd, colour_t colour) {
  SDL_SetRenderDrawColor(wnd->renderer, colour.colour.r, colour.colour.g,
                         colour.colour.b, colour.colour.a);
}

void clear_window(const window_t *wnd, colour_t colour) {
  set_colour(wnd, colour);
  SDL_RenderClear(wnd->renderer);
}

void swap_buffers(const window_t *wnd) { SDL_RenderPresent(wnd->renderer); }

void draw_point(const window_t *wnd, point_t p, colour_t colour) {
  set_colour(wnd, colour);
  SDL_RenderDrawPoint(wnd->renderer, p.x, p.y);
}

void draw_line(const window_t *wnd, const line_t *ln, colour_t colour) {
  set_colour(wnd, colour);
  SDL_RenderDrawLine(wnd->renderer, ln->p0.x, ln->p0.y, ln->p1.x, ln->p1.y);
}

void draw_triangle(const window_t *wnd, const triangle_t *triangle,
                   colour_t colour) {
  line_t ln0 = {triangle->p0, triangle->p1};
  line_t ln1 = {triangle->p0, triangle->p2};
  line_t ln2 = {triangle->p1, triangle->p2};

  draw_line(wnd, &ln0, colour);
  draw_line(wnd, &ln1, colour);
  draw_line(wnd, &ln2, colour);
}