//
// Created by Grishka on 29.03.17.
//

#include "NetworkSocket.h"
#include <stdexcept>
#include <stdlib.h>
#include <string.h>
#if defined(_WIN32)
#include "os/windows/NetworkSocketWinsock.h"
#else
#include "os/posix/NetworkSocketPosix.h"
#endif
#include "logging.h"
#include "VoIPServerConfig.h"

#define MIN_UDP_PORT 16384
#define MAX_UDP_PORT 32768

namespace tgvoip {

#pragma mark - NetworkSocket

	NetworkSocket::NetworkSocket(){
		ipv6Timeout=ServerConfig::GetSharedInstance()->GetDouble("nat64_fallback_timeout", 3);
		failed=false;
	}

	NetworkSocket::~NetworkSocket(){

	}

	std::string NetworkSocket::GetLocalInterfaceInfo(IPv4Address *inet4addr, IPv6Address *inet6addr){
		std::string r="not implemented";
		return r;
	}

	uint16_t NetworkSocket::GenerateLocalPort(){
		return (uint16_t) ((rand()%(MAX_UDP_PORT-MIN_UDP_PORT))+MIN_UDP_PORT);
	}

	void NetworkSocket::SetMaxPriority(){
	}

	bool NetworkSocket::IsFailed(){
		return failed;
	}

	NetworkSocket *NetworkSocket::Create(){
#ifndef _WIN32
		return new NetworkSocketPosix();
#else
		return new NetworkSocketWinsock();
#endif
	}

#pragma mark - NetworkAddress

	bool NetworkAddress::operator==(const NetworkAddress &other){
		IPv4Address* self4=dynamic_cast<IPv4Address*>(this);
		IPv4Address* other4=dynamic_cast<IPv4Address*>((NetworkAddress*)&other);
		if(self4 && other4){
			return self4->GetAddress()==other4->GetAddress();
		}
		IPv6Address* self6=dynamic_cast<IPv6Address*>(this);
		IPv6Address* other6=dynamic_cast<IPv6Address*>((NetworkAddress*)&other);
		if(self6 && other6){
			return memcmp(self6->GetAddress(), other6->GetAddress(), 16)==0;
		}
		return false;
	}

	bool NetworkAddress::operator!=(const NetworkAddress &other){
		return !(*this == other);
	}

#pragma mark - IPv4Address

	IPv4Address::IPv4Address(std::string addr){
#ifndef _WIN32
		this->address=NetworkSocketPosix::StringToV4Address(addr);
#else
		this->address=NetworkSocketWinsock::StringToV4Address(addr);
#endif
	}

	IPv4Address::IPv4Address(uint32_t addr){
		this->address=addr;
	}


	std::string IPv4Address::ToString(){
#ifndef _WIN32
		return NetworkSocketPosix::V4AddressToString(address);
#else
		return NetworkSocketWinsock::V4AddressToString(address);
#endif
	}

	/*sockaddr &IPv4Address::ToSockAddr(uint16_t port){
		sockaddr_in sa;
		sa.sin_family=AF_INET;
		sa.sin_addr=addr;
		sa.sin_port=port;
		return *((sockaddr *) &sa);
	}*/

	uint32_t IPv4Address::GetAddress(){
		return address;
	}

#pragma mark - IPv6Address

	IPv6Address::IPv6Address(std::string addr){
#ifndef _WIN32
		NetworkSocketPosix::StringToV6Address(addr, this->address);
#else
		NetworkSocketWinsock::StringToV6Address(addr, this->address);
#endif
	}

	IPv6Address::IPv6Address(uint8_t addr[16]){
		memcpy(address, addr, 16);
	}

	std::string IPv6Address::ToString(){
		return "";
	}

	/*sockaddr &IPv6Address::ToSockAddr(uint16_t port){
		sockaddr_in6 sa;
		sa.sin6_family=AF_INET6;
		sa.sin6_addr=addr;
		sa.sin6_port=port;
		return *((sockaddr *) &sa);
	}*/

	const uint8_t *IPv6Address::GetAddress(){
		return address;
	}

}