#include "String.h"
#include <cstdlib>

namespace ecci
{

String::String(const wchar_t* initial)
	: str(nullptr)
	, length( wcslen(initial) )
{
	std::wcerr << L"default/conversion constructor\n";
	str = (wchar_t*) malloc( (length + 1) * sizeof(wchar_t) );
	for ( LengthType index = 0; index <= length; ++index )
		str[index] = initial[index];
}

String::String(const String& other)
	: str(nullptr)
	, length( other.length )
{
	std::wcerr << L"copy constructor\n";
	str = (wchar_t*) malloc( (length + 1) * sizeof(wchar_t) );
	for ( LengthType index = 0; index <= length; ++index )
		str[index] = other.str[index];
}

String::String(String&& temp)
	: str(temp.str)
	, length( temp.length )
{
	std::wcerr << L"move constructor\n";

	temp.str = nullptr;
	temp.length = 0;
}

String::~String()
{
	std::wcerr << L"Destroying [" << (str ? str : L"nullptr") << "]\n";
	free(str);
}


String& String::operator=(const String& other)
{
	std::wcerr << L"assignment operator=\n";
	if ( this != &other )
	{
		if ( length != other.length )
		{
			free(str);
			length = other.length;
			str = (wchar_t*) malloc( (length + 1) * sizeof(wchar_t) );
		}

		for ( LengthType index = 0; index <= length; ++index )
			str[index] = other.str[index];
	}

	return *this;
}

String& String::operator=(String&& temp)
{
	std::wcerr << L"move assignment operator=\n";
	if ( this != &temp )
	{
		free(str);
		str = temp.str;
		length = temp.length;

		temp.str = nullptr;
		temp.length = 0;
	}

	return *this;
}

std::basic_ostream<wchar_t>& operator<<(std::basic_ostream<wchar_t>& out, const String& string)
{
	return out << string.str;
}

FILE* String::print(FILE* out) const
{
	fwprintf(stdout, L"%ls", str);
	return out;
}

} // namespace ecci