// PHZ
// 2018-6-8

#ifndef XOP_RTSP_H
#define XOP_RTSP_H

#include <cstdio>
#include <string>
#include "MediaSession.h"
#include "Acceptor.h"
#include "EventLoop.h"
#include "Socket.h"
#include "Timer.h"

namespace xop
{

struct RtspUrlInfo
{
	std::string url;
	std::string ip;
	uint16_t port;
	std::string suffix;
};

class Rtsp : public std::enable_shared_from_this<Rtsp>
{
public:
	Rtsp() : has_auth_info_(false) {}
	virtual ~Rtsp() {}

	virtual void SetAuthConfig(std::string realm, std::string username, std::string password)
	{
		realm_ = realm;
		username_ = username;
		password_ = password;
		has_auth_info_ = true;

		if (realm_=="" || username=="") {
			has_auth_info_ = false;
		}
	}

	virtual void SetVersion(std::string version) // SDP Session Name
	{ version_ = std::move(version); }

	virtual std::string GetVersion()
	{ return version_; }

	virtual std::string GetRtspUrl()
	{ return rtsp_url_info_.url; }

	bool ParseRtspUrl(std::string url)
	{
		char ip[100] = { 0 };
		char suffix[100] = { 0 };
		uint16_t port = 0;
#if defined(__linux) || defined(__linux__)
		if (sscanf(url.c_str() + 7, "%[^:]:%hu/%s", ip, &port, suffix) == 3)
#elif defined(WIN32) || defined(_WIN32)
		if (sscanf_s(url.c_str() + 7, "%[^:]:%hu/%s", ip, 100, &port, suffix, 100) == 3)
#endif
		{
			rtsp_url_info_.port = port;
		}
#if defined(__linux) || defined(__linux__)
		else if (sscanf(url.c_str() + 7, "%[^/]/%s", ip, suffix) == 2)
#elif defined(WIN32) || defined(_WIN32)
		else if (sscanf_s(url.c_str() + 7, "%[^/]/%s", ip, 100, suffix, 100) == 2)
#endif
		{
			rtsp_url_info_.port = 554;
		}
		else
		{
			//LOG("%s was illegal.\n", url.c_str());
			return false;
		}

		rtsp_url_info_.ip = ip;
		rtsp_url_info_.suffix = suffix;
		rtsp_url_info_.url = url;
		return true;
	}

protected:
	friend class RtspConnection;

	virtual MediaSession::Ptr LookMediaSession(const std::string& suffix)
	{ return nullptr; }

	virtual MediaSession::Ptr LookMediaSession(MediaSessionId sessionId)
	{ return nullptr; }

	bool has_auth_info_ = false;
	std::string realm_;
	std::string username_;
	std::string password_;
	std::string version_;
	struct RtspUrlInfo rtsp_url_info_;
};

}

#endif