/*
 * 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 _LFG_H
#define _LFG_H

#include "Common.h"
#include "ObjectDefines.h"
#include "SharedDefines.h"
#include "WorldPacket.h"

namespace lfg
{

enum LFGEnum
{
    LFG_TANKS_NEEDED                             = 1,
    LFG_HEALERS_NEEDED                           = 1,
    LFG_DPS_NEEDED                               = 3
};

enum LfgRoles
{
    PLAYER_ROLE_NONE                             = 0x00,
    PLAYER_ROLE_LEADER                           = 0x01,
    PLAYER_ROLE_TANK                             = 0x02,
    PLAYER_ROLE_HEALER                           = 0x04,
    PLAYER_ROLE_DAMAGE                           = 0x08
};

enum LfgUpdateType
{
    LFG_UPDATETYPE_DEFAULT                       = 0,      // Internal Use
    LFG_UPDATETYPE_LEADER_UNK1                   = 1,      // FIXME: At group leave
    LFG_UPDATETYPE_LEAVE_RAIDBROWSER             = 2,
    LFG_UPDATETYPE_JOIN_RAIDBROWSER              = 3,
    LFG_UPDATETYPE_ROLECHECK_ABORTED             = 4,
    LFG_UPDATETYPE_JOIN_QUEUE                    = 5,
    LFG_UPDATETYPE_ROLECHECK_FAILED              = 6,
    LFG_UPDATETYPE_REMOVED_FROM_QUEUE            = 7,
    LFG_UPDATETYPE_PROPOSAL_FAILED               = 8,
    LFG_UPDATETYPE_PROPOSAL_DECLINED             = 9,
    LFG_UPDATETYPE_GROUP_FOUND                   = 10,
    LFG_UPDATETYPE_ADDED_TO_QUEUE                = 12,
    LFG_UPDATETYPE_PROPOSAL_BEGIN                = 13,
    LFG_UPDATETYPE_UPDATE_STATUS                 = 14,
    LFG_UPDATETYPE_GROUP_MEMBER_OFFLINE          = 15,
    LFG_UPDATETYPE_GROUP_DISBAND_UNK16           = 16,     // FIXME: Sometimes at group disband
};

enum LfgState
{
    LFG_STATE_NONE,                                        // Not using LFG / LFR
    LFG_STATE_ROLECHECK,                                   // Rolecheck active
    LFG_STATE_QUEUED,                                      // Queued
    LFG_STATE_PROPOSAL,                                    // Proposal active
    LFG_STATE_BOOT,                                        // Vote kick active
    LFG_STATE_DUNGEON,                                     // In LFG Group, in a Dungeon
    LFG_STATE_FINISHED_DUNGEON,                            // In LFG Group, in a finished Dungeon
    LFG_STATE_RAIDBROWSER                                  // Using Raid finder
};

/// Instance lock types
enum LfgLockStatusType
{
    LFG_LOCKSTATUS_INSUFFICIENT_EXPANSION        = 1,
    LFG_LOCKSTATUS_TOO_LOW_LEVEL                 = 2,
    LFG_LOCKSTATUS_TOO_HIGH_LEVEL                = 3,
    LFG_LOCKSTATUS_TOO_LOW_GEAR_SCORE            = 4,
    LFG_LOCKSTATUS_TOO_HIGH_GEAR_SCORE           = 5,
    LFG_LOCKSTATUS_RAID_LOCKED                   = 6,
    LFG_LOCKSTATUS_ATTUNEMENT_TOO_LOW_LEVEL      = 1001,
    LFG_LOCKSTATUS_ATTUNEMENT_TOO_HIGH_LEVEL     = 1002,
    LFG_LOCKSTATUS_QUEST_NOT_COMPLETED           = 1022,
    LFG_LOCKSTATUS_MISSING_ITEM                  = 1025,
    LFG_LOCKSTATUS_NOT_IN_SEASON                 = 1031,
    LFG_LOCKSTATUS_MISSING_ACHIEVEMENT           = 1034
};

/// Answer state (Also used to check compatibilites)
enum LfgAnswer
{
    LFG_ANSWER_PENDING                           = -1,
    LFG_ANSWER_DENY                              = 0,
    LFG_ANSWER_AGREE                             = 1
};

class Lfg5Guids;

typedef std::list<Lfg5Guids> Lfg5GuidsList;
typedef std::set<uint32> LfgDungeonSet;
typedef std::map<uint32, uint32> LfgLockMap;
typedef std::map<uint64, LfgLockMap> LfgLockPartyMap;
typedef std::set<uint64> LfgGuidSet;
typedef std::list<uint64> LfgGuidList;
typedef std::map<uint64, uint8> LfgRolesMap;
typedef std::map<uint64, uint64> LfgGroupsMap;

class Lfg5Guids
{
public:
    uint64 guid[5];
    LfgRolesMap* roles;
    Lfg5Guids() { memset(&guid, 0, 5*8); roles = NULL; }
    Lfg5Guids(uint64 g) { memset(&guid, 0, 5*8); guid[0] = g; roles = NULL; }
    Lfg5Guids(Lfg5Guids const& x) { memcpy(guid, x.guid, 5*8); if (x.roles) roles = new LfgRolesMap(*(x.roles)); else roles = NULL; }
    Lfg5Guids(Lfg5Guids const& x, bool /*copyRoles*/) { memcpy(guid, x.guid, 5*8); roles = NULL; }
    ~Lfg5Guids() { delete roles; }
    void addRoles(LfgRolesMap const& r) { roles = new LfgRolesMap(r); }
    void clear() { memset(&guid, 0, 5*8); }
    bool empty() const { return guid[0] == 0; }
    uint64 front() const { return guid[0]; }
    uint8 size() const
    {
        if (guid[2])
        {
            if (guid[4]) return 5;
            else if (guid[3]) return 4;
            return 3;
        }
        else if (guid[1]) return 2;
        else if (guid[0]) return 1;
        return 0;
    }
    void insert(const uint64& g)
    {
        // avoid loops for performance
        if (guid[0] == 0) { guid[0] = g; return; }
        else if (g <= guid[0]) { if (guid[3]) guid[4] = guid[3]; if (guid[2]) guid[3] = guid[2]; if (guid[1]) guid[2] = guid[1]; guid[1] = guid[0]; guid[0] = g; return; }
        if (guid[1] == 0) { guid[1] = g; return; }
        else if (g <= guid[1]) { if (guid[3]) guid[4] = guid[3]; if (guid[2]) guid[3] = guid[2]; guid[2] = guid[1]; guid[1] = g; return; }
        if (guid[2] == 0) { guid[2] = g; return; }
        else if (g <= guid[2]) { if (guid[3]) guid[4] = guid[3]; guid[3] = guid[2]; guid[2] = g; return; }
        if (guid[3] == 0) { guid[3] = g; return; }
        else if (g <= guid[3]) { guid[4] = guid[3]; guid[3] = g; return; }
        guid[4] = g;
    }
    void force_insert_front(const uint64& g)
    {
        if (guid[3]) guid[4] = guid[3]; if (guid[2]) guid[3] = guid[2]; if (guid[1]) guid[2] = guid[1]; guid[1] = guid[0]; guid[0] = g;
    }
    void remove(const uint64& g)
    {
        // avoid loops for performance
        if (guid[0] == g) { if (guid[1]) guid[0] = guid[1]; else { guid[0] = 0; return; } if (guid[2]) guid[1] = guid[2]; else { guid[1] = 0; return; } if (guid[3]) guid[2] = guid[3]; else { guid[2] = 0; return; } if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
        if (guid[1] == g) { if (guid[2]) guid[1] = guid[2]; else { guid[1] = 0; return; } if (guid[3]) guid[2] = guid[3]; else { guid[2] = 0; return; } if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
        if (guid[2] == g) { if (guid[3]) guid[2] = guid[3]; else { guid[2] = 0; return; } if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
        if (guid[3] == g) { if (guid[4]) guid[3] = guid[4]; else { guid[3] = 0; return; } guid[4] = 0; return; }
        if (guid[4] == g) guid[4] = 0;
    }
    bool hasGuid(const uint64& g) const
    {
        return g && (guid[0] == g || guid[1] == g || guid[2] == g || guid[3] == g || guid[4] == g);
    }
    bool operator<(const Lfg5Guids& x) const
    {
        // not neat, but fast xD
        if (guid[0]<=x.guid[0]) {
            if (guid[0] == x.guid[0]) {
                if (guid[1]<=x.guid[1]) {
                    if (guid[1] == x.guid[1]) {
                        if (guid[2]<=x.guid[2]) {
                            if (guid[2] == x.guid[2]) {
                                if (guid[3]<=x.guid[3]) {
                                    if (guid[3] == x.guid[3]) {
                                        if (guid[4]<=x.guid[4]) {
                                            if (guid[4] == x.guid[4]) return false; else return true;
                                        } else return false;
                                    } else return true;
                                } else return false;
                            } else return true;
                        } else return false;
                    } else return true;
                } else return false;
            } else return true;
        } else return false;
    }
    bool operator==(const Lfg5Guids& x) const
    {
        return guid[0] == x.guid[0] && guid[1] == x.guid[1] && guid[2] == x.guid[2] && guid[3] == x.guid[3] && guid[4] == x.guid[4];
    }
    void operator=(const Lfg5Guids& x) { memcpy(guid, x.guid, 5*8); delete roles; if (x.roles) roles = new LfgRolesMap(*(x.roles)); else roles = NULL; }
    std::string toString() const // for debugging
    {
        std::ostringstream o;
        o << GUID_LOPART(guid[0]) << "," << GUID_LOPART(guid[1]) << "," << GUID_LOPART(guid[2]) << "," << GUID_LOPART(guid[3]) << "," << GUID_LOPART(guid[4]) << ":" << (roles ? 1 : 0);
        return o.str();
    }
};

std::string ConcatenateDungeons(LfgDungeonSet const& dungeons);
std::string GetRolesString(uint8 roles);
std::string GetStateString(LfgState state);


} // namespace lfg

#endif