#ifndef GAME_H_E6F1396E
#define GAME_H_E6F1396E

#include <set>
#include <range/v3/all.hpp>
#include <vector>
#include <memory>
#include "sprite.h"
#include "map.h"
#include "consts.h"
#include "transform_system.h"

struct Input {
  bool left = false;
  bool right = false;
  bool up = false;
  bool down = false;
};

class Game {
public:

  Game() : transform_(*this) {}

  int addSprite(Sprite sprite);

  const Sprite& getSprite(int id) const {
    return sprites_.at(id);
  }

  Sprite& getSprite(int id) {
    return sprites_.at(id);
  }

  const std::vector<int>& getSprites() {
    return spriteIds_;
  }

  auto spriteView() const {
    return ranges::views::transform([&] (int id) -> const Sprite& {
      return sprites_.at(id);
    });
  }

  TransformSystem& getTransformSystem() { return transform_; }


  void setSpriteState(int id, std::string state) {
    sprites_[id].setState(std::move(state));
  }

  void setSpriteDirection(int id, Direction dir) {
    sprites_[id].setDirection(dir);
  }

  void tickSpriteAnim() {
    for (Sprite& sprite : sprites_) {
      sprite.tickAnim();
    }
  }

  void setMap(std::unique_ptr<Map> map) { map_ = std::move(map); }

  const Map& getMap() const { return *map_; }

  // Camera

  const vec2i& getCameraPosition() const { return cameraPos_; }

  const vec2i& getFieldOfView() const { return cameraFov_; }

  void setFollowingSprite(int spriteId) { followingSprite_ = spriteId; }

  void lockCamera() { cameraLocked_ = true; }

  void unlockCamera() { cameraLocked_ = false; }

  void tick();

private:

  TransformSystem transform_;

  std::vector<int> spriteIds_;
  std::vector<Sprite> sprites_;
  std::unique_ptr<Map> map_;

  // Camera
  vec2i cameraPos_;
  vec2i cameraFov_ { CANVAS_WIDTH, CANVAS_HEIGHT };
  int followingSprite_;
  bool cameraLocked_ = true;
};

#endif /* end of include guard: GAME_H_E6F1396E */