#ifndef LOG_H
#define LOG_H


#include <string>
#include <sstream>
#include <iomanip>

#include "vector.h"
#include "matrix.h"
#include "perspective.h"


class Log {
public:
	static const std::string& tab()
		{ static std::string t = "    "; return t; }
	static const std::string tab(int count) {
		const std::string &t = tab();
		std::string tt;
		for(int i = 0; i < count; ++i) tt += t;
		return tt;
	}

	template<typename T>
	static std::string to_string(const VectorT<T> &x, int w = 0) {
		std::stringstream s;
		s << "(";
		for(int i = 0; i < VectorT<T>::Count; ++i)
			s << (i ? ", " : "") << std::setw(w) << x[i] << std::setw(0);
		s << ")";
		return s.str();
	}

	template<typename T>
	static std::string to_string(const PairT<T> &x, int w = 0)
		{ return to_string(x.p0, w) + "-" + to_string(x.p1, w); }

	static std::string to_string(const Matrix3 &x, int w = 0, const std::string &prefix = std::string()) {
		std::stringstream s;
		for(int i = 0; i < 3; ++i)
			s << prefix << to_string(x[i], w) << std::endl;
		return s.str();
	}
};

#endif