#include "stars.h"

#include <chrono>
using namespace std::chrono;

using std::vector;
using std::string;
using std::cin;
using std::cout;
using std::cerr;
using std::clog;
using std::endl;

template<typename T>
static constexpr inline T polar_r(const T x, const T y)
{
	return sqrt(x*x*.1f+y*y*.1f);
}

template<typename T>
static constexpr inline T polar_t(const T x, const T y)
{
	return atan2(x,y);
}

struct SkyDesc
{
	struct colorYCbCr
	{
		double Y, Cb, Cr;
		constexpr png::rgb_pixel toRGB();
	} starColor, nebulaColor;
	double starFreq, starElev;
};

static SkyDesc lao_listao(double x, double y);
static SkyDesc lao_salao(double x, double y);
static SkyDesc lao_kuronao(double x, double y);
static SkyDesc lao_kofao(double x, double y);
static SkyDesc lao_sulao(double x, double y);
static SkyDesc lao_vollilao(double x, double y);
static SkyDesc lao_jafao(double x, double y);
static SkyDesc lao_karlao(double x, double y);
static SkyDesc lao_lalao(double x, double y);
static SkyDesc lao_nalao(double x, double y);
static SkyDesc lao_filao(double x, double y);
static SkyDesc lao_islao(double x, double y);

png::image<png::rgb_pixel> genStarMap(
	float xmin,
	float ymin,
	float width,
	int tileSize)
{
	const static int DAYS=864, DPL=DAYS/12;
	const static std::array<const size_t, 12> table_offsets = 
	{
		0, DPL, DPL*2,
		DPL*3, DPL*4, DPL*5,
		DPL*6, DPL*7, DPL*8,
		DPL*9, DPL*10, DPL*11
	};
	static std::array<double, DAYS*4> contribution_func;
	
	png::image<png::rgb_pixel> image(tileSize,tileSize);
	
	for (size_t x = 0; x < x_vals.size(); ++x) {
		for (size_t y = 0; y < y_vals.size(); ++y) {
			auto r = polar_r(x_vals[x],y_vals[y]),
				t = polar_t(x_vals[x],y_vals[y]);
			
		}
	}
}