//#if !defined (__APPLE__)
#include <SDL/SDL.h>
//#endif

#include "sdl.h"
#include "../main.h"
#include "../common.h"
#include "../player.h"
#include "../game.h"

int interfaceInit() {
  // Load it up!
  SDL_Init(SDL_INIT_EVERYTHING);
  // Set up our SDL Window
  if ((screen = SDL_SetVideoMode(640, 384, 32, SDL_SWSURFACE)) == NULL) {
    return ERROR;
	}
  SDL_WM_SetCaption(NAME, NULL);

  // Fill our screen w/ black
  SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
  // Update!
  SDL_Flip(screen);

  return SUCCESS;
}

void interfaceLoop() {
  while (SDL_PollEvent(&event)) {
    switch(event.type) {
      case SDL_QUIT:
        is_running = 0;
        break;
      case SDL_KEYDOWN:
        if (event.key.keysym.sym == SDLK_q) {
          is_running = 0;
        } else if (event.key.keysym.sym == SDLK_UP) {
          (*player_commands[PLAYER_MOVE])(NORTH, 1);
        } else if (event.key.keysym.sym == SDLK_DOWN) {
          (*player_commands[PLAYER_MOVE])(SOUTH, 1);
        } else if (event.key.keysym.sym == SDLK_RIGHT) {
          (*player_commands[PLAYER_MOVE])(EAST, 1);
        } else if (event.key.keysym.sym == SDLK_LEFT) {
          (*player_commands[PLAYER_MOVE])(WEST, 1);
        }
        break;
    }
  }
}

void interfaceDraw() {
  // TODO: instead of redrawing whole screen, redraw last positions of tiles
  SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
  int step_x = player.x - 12;
  int step_y = player.y - 6;
  int end_x = player.x + 12;
  int end_y = player.y + 6;
  while (step_x < end_x) {
    step_y = player.y - 6;
    while (step_y < end_y) {
      if (visible_matrix[step_x][step_y] & TILE_VISIBLE) {
        SDL_Rect wall_rect = {step_x*8, step_y*16, 8, 16};
        SDL_FillRect(screen, &wall_rect, SDL_MapRGB(screen->format, 128, 128, 128));
      }
      step_y++; // move down
    }
    step_x++; // move right
  }
  SDL_Rect player_rect = {player.x*8, player.y*16, 8, 16};
	SDL_FillRect(screen, &player_rect, SDL_MapRGB(screen->format, 255, 255, 255));
  SDL_Flip(screen); // redraw!
}

void interfaceClose() {
  SDL_Quit();
}