#pragma once

#include "basics.h"
#include "adaptions.h"

#include "simulation/Simulation.h"
#include "simulation/Beat.h"

using Vec2 = math::Vec2;
using LineKind = simulation::LineKind;

using ball_info = int;
using line_info = void;
using ball_type = simulation::Ball<ball_info>;
using line_type = simulation::Line<line_info>;
using simu_type = simulation::Simulation<ball_info, line_info>;

using note_info = Vec2;
using note_type = Note<note_info>;
using beat_type = Beat<note_info>;

struct AbstractLine {
	math::Vec2 starting_point;
	math::Vec2 end_point;
	int line_kind;

	const float hsize = 5.0f;
	
	AbstractLine() = default;

	AbstractLine(math::Vec2 starting_point, math::Vec2 end_point, int line_kind)
	: starting_point(starting_point)
	, end_point(end_point)
	, line_kind(line_kind)
	{}
	
	// create 6 lines, to emulate width, and rounded edges
	std::vector<line_type> calculate_lines() const {
		auto dir = normalize(end_point - starting_point);
		auto normal = rotate_ccw(dir);
		LineKind lk = static_cast<LineKind>(line_kind);
		
		if(line_kind == simulation::kOneWay){
			std::vector<line_type> ret;
			ret.emplace_back(starting_point + hsize*normal, end_point + hsize*normal, lk);
			ret.emplace_back(end_point + hsize*normal, end_point + hsize*dir, lk);
			ret.emplace_back(end_point + hsize*dir, end_point - hsize*normal, lk);
			ret.emplace_back(end_point - hsize*normal, starting_point - hsize*normal, lk);
			ret.emplace_back(starting_point - hsize*normal, starting_point - hsize*dir, lk);
			ret.emplace_back(starting_point - hsize*dir, starting_point + hsize*normal, lk);
			return ret;
		} else {
			std::vector<line_type> ret;
			ret.emplace_back(starting_point, end_point, lk);
			return ret;
		}
	}
};

BOOST_FUSION_ADAPT_STRUCT(
	AbstractLine,
	(::math::Vec2, starting_point)
	(::math::Vec2, end_point)
	(int, line_kind)
)

BOOST_FUSION_DEFINE_STRUCT(
	, IntVec2,
	(int, x)
	(int, y)
)

struct cheap_ball_type {
	IntVec2 position;
	ball_info information;

	cheap_ball_type(ball_type const & b)
	: position(b.position)
	, information(b.information)
	{}
};

BOOST_FUSION_ADAPT_STRUCT(
	cheap_ball_type,
	(IntVec2, position)
	(ball_info, information)
)

struct cheap_line_type {
	IntVec2 starting_point;
	IntVec2 end_point;
	int line_kind;

	cheap_line_type(AbstractLine const & l)
	: starting_point(l.starting_point)
	, end_point(l.end_point)
	, line_kind(l.line_kind)
	{}
};

BOOST_FUSION_ADAPT_STRUCT(
	cheap_line_type,
	(IntVec2, starting_point)
	(IntVec2, end_point)
	(int, line_kind)
)