#pragma once

#include <vector>

#include "../dxd_math.hpp"
#include "world_object.hpp"
#include "af_spawner.hpp"

namespace dxd::sim
{

class AFSpawner;

class Airfield : public WorldObject
{
private:
	AFSpawner *_parent;
	vec2 _position;
	int _ttl;
	int _next_spawn;
	float _rw_heading;

	int _pending_arrivals;

	int const _MIN_TAKEOFF_DELAY = 600;
	int const _MAX_TAKEOFF_DELAY = 3000;
	int const _RW_LENGTH = 6;
	float const _APPROACH_DIST = 20.0f;

public:
	Airfield(AFSpawner *parent, vec2 position, int ttl, float rw_heading)
		: _parent(parent), _position(position), _ttl(ttl), _rw_heading(rw_heading)
	{
		_next_spawn = _MIN_TAKEOFF_DELAY;
	}

	vec2 get_position() { return _position; }
	vec2 get_approach_point();
	void going_to() { ++_pending_arrivals; }
	void arrived_at() { --_pending_arrivals; }
	bool is_active() { return _ttl > 0; }

	void tick(float timestep, World *world) override;
	void draw(Renderer *rend) override;
};

} // namespace dxd::sim