/*
 * Copyright (C) 2016+     AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 */

#ifndef __ACORE_SOCIALMGR_H
#define __ACORE_SOCIALMGR_H

#include "Common.h"
#include "DatabaseEnv.h"
#include <map>

class Player;
class WorldPacket;

enum FriendStatus
{
    FRIEND_STATUS_OFFLINE   = 0x00,
    FRIEND_STATUS_ONLINE    = 0x01,
    FRIEND_STATUS_AFK       = 0x02,
    FRIEND_STATUS_DND       = 0x04,
    FRIEND_STATUS_RAF       = 0x08
};

enum SocialFlag
{
    SOCIAL_FLAG_FRIEND      = 0x01,
    SOCIAL_FLAG_IGNORED     = 0x02,
    SOCIAL_FLAG_MUTED       = 0x04,                          // guessed
    SOCIAL_FLAG_UNK         = 0x08,                          // Unknown - does not appear to be RaF

    SOCIAL_FLAG_ALL         = SOCIAL_FLAG_FRIEND | SOCIAL_FLAG_IGNORED | SOCIAL_FLAG_MUTED
};

struct FriendInfo
{
    FriendStatus Status;
    uint8 Flags;
    uint32 Area;
    uint8 Level;
    uint8 Class;
    std::string Note;

    FriendInfo() : Status(FRIEND_STATUS_OFFLINE), Flags(0), Area(0), Level(0), Class(0), Note()
    { }

    FriendInfo(uint8 flags, std::string const& note) : Status(FRIEND_STATUS_OFFLINE), Flags(flags), Area(0), Level(0), Class(0), Note(note)
    { }
};

/// Results of friend related commands
enum FriendsResult : uint8
{
    FRIEND_DB_ERROR         = 0x00,
    FRIEND_LIST_FULL        = 0x01,
    FRIEND_ONLINE           = 0x02,
    FRIEND_OFFLINE          = 0x03,
    FRIEND_NOT_FOUND        = 0x04,
    FRIEND_REMOVED          = 0x05,
    FRIEND_ADDED_ONLINE     = 0x06,
    FRIEND_ADDED_OFFLINE    = 0x07,
    FRIEND_ALREADY          = 0x08,
    FRIEND_SELF             = 0x09,
    FRIEND_ENEMY            = 0x0A,
    FRIEND_IGNORE_FULL      = 0x0B,
    FRIEND_IGNORE_SELF      = 0x0C,
    FRIEND_IGNORE_NOT_FOUND = 0x0D,
    FRIEND_IGNORE_ALREADY   = 0x0E,
    FRIEND_IGNORE_ADDED     = 0x0F,
    FRIEND_IGNORE_REMOVED   = 0x10,
    FRIEND_IGNORE_AMBIGUOUS = 0x11,                         // That name is ambiguous, type more of the player's server name
    FRIEND_MUTE_FULL        = 0x12,
    FRIEND_MUTE_SELF        = 0x13,
    FRIEND_MUTE_NOT_FOUND   = 0x14,
    FRIEND_MUTE_ALREADY     = 0x15,
    FRIEND_MUTE_ADDED       = 0x16,
    FRIEND_MUTE_REMOVED     = 0x17,
    FRIEND_MUTE_AMBIGUOUS   = 0x18,                         // That name is ambiguous, type more of the player's server name
    FRIEND_UNK1             = 0x19,                         // no message at client
    FRIEND_UNK2             = 0x1A,
    FRIEND_UNK3             = 0x1B,
    FRIEND_UNKNOWN          = 0x1C                          // Unknown friend response from server
};

#define SOCIALMGR_FRIEND_LIMIT  50u
#define SOCIALMGR_IGNORE_LIMIT  50u

class PlayerSocial
{
    friend class SocialMgr;

    public:
        PlayerSocial();
        // adding/removing
        bool AddToSocialList(uint64 friend_guid, SocialFlag flag);
        void RemoveFromSocialList(uint64 friend_guid, SocialFlag flag);
        void SetFriendNote(uint64 friendGuid, std::string note);
        // Packet send's
        void SendSocialList(Player* player, uint32 flags);
        // Misc
        bool HasFriend(uint64 friend_guid) const;
        bool HasIgnore(uint64 ignore_guid) const;
        uint64 GetPlayerGUID() const { return m_playerGUID; }
        void SetPlayerGUID(uint64 guid) { m_playerGUID = guid; }
        uint32 GetNumberOfSocialsWithFlag(SocialFlag flag) const;
    private:
        bool _checkContact(uint64 guid, SocialFlag flags) const;
        typedef std::map<uint32, FriendInfo> PlayerSocialMap;
        PlayerSocialMap m_playerSocialMap;
        uint64 m_playerGUID;
};

class SocialMgr
{
    private:
        SocialMgr();
        ~SocialMgr();
    
    public:
        static SocialMgr* instance();
        // Misc
        void RemovePlayerSocial(uint64 guid) { m_socialMap.erase(guid); }
        static void GetFriendInfo(Player* player, uint64 friendGUID, FriendInfo& friendInfo);
        // Packet management
        void MakeFriendStatusPacket(FriendsResult result, uint64 friend_guid, WorldPacket* data);
        void SendFriendStatus(Player* player, FriendsResult result, uint64 friend_guid, bool broadcast);
        void BroadcastToFriendListers(Player* player, WorldPacket* packet);
        // Loading
        PlayerSocial* LoadFromDB(PreparedQueryResult result, uint64 guid);
    private:
        typedef std::map<uint32, PlayerSocial> SocialMap;
        SocialMap m_socialMap;
};

#define sSocialMgr SocialMgr::instance()

#endif