#include "ScalarConverter.hpp"
#include "PrintValue.hpp"

ScalarConverter::ScalarConverter(void) {
}

ScalarConverter::ScalarConverter(const ScalarConverter &cpy) {
	if (this != &cpy) {
		*this = cpy;
	}
}

ScalarConverter::~ScalarConverter(void) {
}

ScalarConverter &ScalarConverter::operator=(const ScalarConverter &) {
	return *this;
}

bool _isNan(const std::string &str) {
	if (str == "nan" || str == "nanf" || str == "-inf" || str == "-inff" ||
		str == "+inf" || str == "+inff" || str == "inf" || str == "inff")
		return true;
	return false;
}

e_type	_getType(const std::string &s)
{
	if (_isNan(s))
		return NAN;

	if (s.length() == 1 && !isdigit(s[0]))
		return CHAR;

	char *err;

	(void)strtol(s.c_str(), &err, 10);
	if (*err == 0)
		return INT;
	(void)strtod(s.c_str(), &err);
	if (*err == 0)
		return DOUBLE;
	if (*err == 'f' && *(err + 1) == 0)
		return FLOAT;
	return NONE;

}

void ScalarConverter::convert(const std::string &s)
{
	switch (_getType(s))
	{
		case CHAR:
			_printChar(s);
			break;
		case INT:
			_printInt(s);
			break;
		case FLOAT:
			_printFloat(s);
			break;
		case DOUBLE:
			_printDouble(s);
			break;
		case NAN:
			_printNan(s);
			break;
		default:
			std::cerr << "'" << s << "' does not convert to any of the availables types" << std::endl;
	}
}