#ifndef _WININET_INTERNET_HPP_
#define _WININET_INTERNET_HPP_
#ifndef _COMMON_EXCEPTION_HPP_
#include <common/except.hpp>
#endif
#ifndef _COMMON_REGKEY_HPP_
#include <common/regkey.hpp>
#endif
#ifndef _COMMON_WININET_HPP_
#include <common/wininet.hpp>
#endif

class Internet
{
public:
  typedef enum AccessType{OpenDirect=INTERNET_OPEN_TYPE_DIRECT,PreConfig=INTERNET_OPEN_TYPE_PRECONFIG,NoAutoProxy=
	  INTERNET_OPEN_TYPE_PRECONFIG_WITH_NO_AUTOPROXY,Proxy=INTERNET_OPEN_TYPE_PROXY};
	typedef enum Flags{Async=INTERNET_FLAG_ASYNC,FromCache=INTERNET_FLAG_FROM_CACHE,
	  Offline=INTERNET_FLAG_OFFLINE,InvalidPort=INTERNET_INVALID_PORT_NUMBER,None=0};
  Internet();
	virtual ~Internet();
  bool open(AccessType accessType=NoAutoProxy,const String &strProxyServer=String(),const String &proxyBypass=String(),Flags flags=None,const String &agent="Microsoft Internet Explorer");
	bool open(const String &strProxyServer,const String &agent="Microsoft Internet Explorer");
	bool connect();
	void close();
	bool isOkay(void)const;
  HINTERNET getHANDLE(void)const;
	static String getProxyServer(void);
private:
  HINTERNET mhInternet;
};

inline
Internet::Internet()
: mhInternet(0)
{
}

inline
Internet::~Internet()
{
  close();
}

inline
bool Internet::open(AccessType accessType,const String &strProxyServer,const String &proxyByPass,Flags flags,const String &agent)
{
  close();
	mhInternet=::InternetOpen(agent.str(),accessType,strProxyServer.str(),proxyByPass.str(),flags);
	return isOkay();
}

inline
bool Internet::open(const String &strProxyServer,const String &agent)
{
  close();
	mhInternet=::InternetOpen(agent.str(),Proxy,strProxyServer.str(),0,None);
	return isOkay();
}


inline
void Internet::close()
{
  if(!isOkay())return;
	::InternetCloseHandle(mhInternet);
	mhInternet=0;
}

inline
HINTERNET Internet::getHANDLE(void)const
{
  return mhInternet;
}

inline
bool Internet::isOkay()const
{
  return mhInternet?true:false;
}

inline
String Internet::getProxyServer(void)
{
  String strProxyServer;

  RegKey regKey(RegKey::CurrentUser);
	if(!regKey.openKey("Comm\\Wininet"))return strProxyServer;
	if(!regKey.queryValue("ProxyServer",strProxyServer))return strProxyServer;
	return strProxyServer;
}
#endif