/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com.                */
#ifndef ENGINE_SERVERBROWSER_H
#define ENGINE_SERVERBROWSER_H

#include <engine/map.h>
#include <engine/shared/protocol.h>
#include <game/client/ui.h>

#include "kernel.h"

#define DDNET_INFO "ddnet-info.json"

class CServerInfo
{
public:
	enum
	{
		LOC_UNKNOWN = 0,
		LOC_AFRICA,
		LOC_ASIA,
		LOC_AUSTRALIA,
		LOC_EUROPE,
		LOC_NORTH_AMERICA,
		LOC_SOUTH_AMERICA,
		// Special case China because it has an exceptionally bad
		// connection to the outside due to the Great Firewall of
		// China:
		// https://en.wikipedia.org/w/index.php?title=Great_Firewall&oldid=1019589632
		LOC_CHINA,
		NUM_LOCS,
	};

	class CClient
	{
	public:
		char m_aName[MAX_NAME_LENGTH];
		char m_aClan[MAX_CLAN_LENGTH];
		int m_Country;
		int m_Score;
		bool m_Player;

		int m_FriendState;
	};

	int m_ServerIndex;

	int m_Type;
	uint64_t m_ReceivedPackets;
	int m_NumReceivedClients;

	NETADDR m_NetAddr;

	int m_QuickSearchHit;
	int m_FriendState;

	int m_MaxClients;
	int m_NumClients;
	int m_MaxPlayers;
	int m_NumPlayers;
	int m_Flags;
	bool m_Favorite;
	bool m_Official;
	int m_Location;
	bool m_LatencyIsEstimated;
	int m_Latency; // in ms
	int m_HasRank;
	char m_aGameType[16];
	char m_aName[64];
	char m_aMap[MAX_MAP_LENGTH];
	int m_MapCrc;
	int m_MapSize;
	char m_aVersion[32];
	char m_aAddress[NETADDR_MAXSTRSIZE];
	CClient m_aClients[SERVERINFO_MAX_CLIENTS];
	mutable int m_NumFilteredPlayers;

	mutable CUIElement *m_pUIElement;

	static int EstimateLatency(int Loc1, int Loc2);
	static bool ParseLocation(int *pResult, const char *pString);
};

bool IsVanilla(const CServerInfo *pInfo);
bool IsCatch(const CServerInfo *pInfo);
bool IsInsta(const CServerInfo *pInfo);
bool IsFNG(const CServerInfo *pInfo);
bool IsRace(const CServerInfo *pInfo);
bool IsFastCap(const CServerInfo *pInfo);
bool IsDDRace(const CServerInfo *pInfo);
bool IsDDNet(const CServerInfo *pInfo);
bool IsBlockWorlds(const CServerInfo *pInfo);
bool IsCity(const CServerInfo *pInfo);

bool Is64Player(const CServerInfo *pInfo);
bool IsPlus(const CServerInfo *pInfo);

class IServerBrowser : public IInterface
{
	MACRO_INTERFACE("serverbrowser", 0)
public:
	/* Constants: Server Browser Sorting
		SORT_NAME - Sort by name.
		SORT_PING - Sort by ping.
		SORT_MAP - Sort by map
		SORT_GAMETYPE - Sort by game type. DM, TDM etc.
		SORT_NUMPLAYERS - Sort after how many players there are on the server.
	*/
	enum
	{
		SORT_NAME = 0,
		SORT_PING,
		SORT_MAP,
		SORT_GAMETYPE,
		SORT_NUMPLAYERS,

		QUICK_SERVERNAME = 1,
		QUICK_PLAYER = 2,
		QUICK_MAPNAME = 4,

		TYPE_NONE = 0,
		TYPE_INTERNET = 1,
		TYPE_LAN = 2,
		TYPE_FAVORITES = 3,
		TYPE_DDNET = 4,
		TYPE_KOG = 5,

		SET_MASTER_ADD = 1,
		SET_FAV_ADD,
		SET_DDNET_ADD,
		SET_KOG_ADD,
		SET_TOKEN,
		SET_HTTPINFO,

		NETWORK_DDNET = 0,
		NETWORK_KOG = 1,
		NUM_NETWORKS,
	};

	virtual void Refresh(int Type) = 0;
	virtual bool IsGettingServerlist() const = 0;
	virtual bool IsRefreshing() const = 0;
	virtual int LoadingProgression() const = 0;

	virtual int NumServers() const = 0;

	virtual int Players(const CServerInfo &Item) const = 0;
	virtual int Max(const CServerInfo &Item) const = 0;

	virtual int NumSortedServers() const = 0;
	virtual const CServerInfo *SortedGet(int Index) const = 0;

	virtual bool GotInfo(const NETADDR &Addr) const = 0;
	virtual bool IsFavorite(const NETADDR &Addr) const = 0;
	virtual bool IsFavoritePingAllowed(const NETADDR &Addr) const = 0;
	virtual void AddFavorite(const NETADDR &Addr) = 0;
	virtual void FavoriteAllowPing(const NETADDR &Addr, bool AllowPing) = 0;
	virtual void RemoveFavorite(const NETADDR &Addr) = 0;

	virtual int NumCountries(int Network) = 0;
	virtual int GetCountryFlag(int Network, int Index) = 0;
	virtual const char *GetCountryName(int Network, int Index) = 0;

	virtual int NumTypes(int Network) = 0;
	virtual const char *GetType(int Network, int Index) = 0;

	virtual void DDNetFilterAdd(char *pFilter, const char *pName) = 0;
	virtual void DDNetFilterRem(char *pFilter, const char *pName) = 0;
	virtual bool DDNetFiltered(char *pFilter, const char *pName) = 0;
	virtual void CountryFilterClean(int Network) = 0;
	virtual void TypeFilterClean(int Network) = 0;
	virtual int GetCurrentType() = 0;
	virtual const char *GetTutorialServer() = 0;
};

#endif