using Framework.Constants;

namespace Game.Entities
{
    public class RestMgr
    {
        Player _player;
        long _restTime;
        InnAreaTrigger _innAreaTrigger;
        float[] _restBonus = new float[(int)RestTypes.Max];
        RestFlag _restFlagMask;

        public RestMgr(Player player)
        {
            _player = player;
        }

        public void SetRestBonus(RestTypes restType, float restBonus)
        {
            uint next_level_xp;
            bool affectedByRaF = false;

            switch (restType)
            {
                case RestTypes.XP:
                    // Reset restBonus (XP only) for max level players
                    if (_player.GetLevel() >= WorldConfig.GetIntValue(WorldCfg.MaxPlayerLevel))
                        restBonus = 0;

                    next_level_xp = _player.m_activePlayerData.NextLevelXP;
                    affectedByRaF = true;
                    break;
                case RestTypes.Honor:
                    // Reset restBonus (Honor only) for players with max honor level.
                    if (_player.IsMaxHonorLevel())
                        restBonus = 0;

                    next_level_xp = _player.m_activePlayerData.HonorNextLevel;
                    break;
                default:
                    return;
            }

            float rest_bonus_max = next_level_xp * 1.5f / 2;

            if (restBonus < 0)
                restBonus = 0;

            if (restBonus > rest_bonus_max)
                restBonus = rest_bonus_max;

            uint oldBonus = (uint)(_restBonus[(int)restType]);
            _restBonus[(int)restType] = restBonus;

            PlayerRestState oldRestState = (PlayerRestState)(int)_player.m_activePlayerData.RestInfo[(int)restType].StateID;
            PlayerRestState newRestState = PlayerRestState.Normal;

            if (affectedByRaF && _player.GetsRecruitAFriendBonus(true) && (_player.GetSession().IsARecruiter() || _player.GetSession().GetRecruiterId() != 0))
                newRestState = PlayerRestState.RAFLinked;
            else if (_restBonus[(int)restType] >= 1)
                newRestState = PlayerRestState.Rested;

            if (oldBonus == restBonus && oldRestState == newRestState)
                return;

            // update data for client
            _player.SetRestThreshold(restType, (uint)_restBonus[(int)restType]);
            _player.SetRestState(restType, newRestState);
        }

        public void AddRestBonus(RestTypes restType, float restBonus)
        {
            // Don't add extra rest bonus to max level players. Note: Might need different condition in next expansion for honor XP (PLAYER_LEVEL_MIN_HONOR perhaps).
            if (_player.GetLevel() >= WorldConfig.GetIntValue(WorldCfg.MaxPlayerLevel))
                restBonus = 0;

            float totalRestBonus = GetRestBonus(restType) + restBonus;
            SetRestBonus(restType, totalRestBonus);
        }

        public void SetRestFlag(RestFlag restFlag)
        {
            RestFlag oldRestMask = _restFlagMask;
            _restFlagMask |= restFlag;

            if (oldRestMask == 0 && _restFlagMask != 0) // only set flag/time on the first rest state
            {
                _restTime = GameTime.GetGameTime();
                _player.SetPlayerFlag(PlayerFlags.Resting);
            }
        }

        public void RemoveRestFlag(RestFlag restFlag)
        {
            RestFlag oldRestMask = _restFlagMask;
            _restFlagMask &= ~restFlag;

            if (oldRestMask != 0 && _restFlagMask == 0) // only remove flag/time on the last rest state remove
            {
                _restTime = 0;
                _player.RemovePlayerFlag(PlayerFlags.Resting);
            }
        }

        public uint GetRestBonusFor(RestTypes restType, uint xp)
        {
            uint rested_bonus = (uint)GetRestBonus(restType); // xp for each rested bonus

            if (rested_bonus > xp) // max rested_bonus == xp or (r+x) = 200% xp
                rested_bonus = xp;

            uint rested_loss = rested_bonus;
            if (restType == RestTypes.XP)
                MathFunctions.AddPct(ref rested_loss, _player.GetTotalAuraModifier(AuraType.ModRestedXpConsumption));

            SetRestBonus(restType, GetRestBonus(restType) - rested_loss);

            Log.outDebug(LogFilter.Player, "RestMgr.GetRestBonus: Player '{0}' ({1}) gain {2} xp (+{3} Rested Bonus). Rested points={4}",
                _player.GetGUID().ToString(), _player.GetName(), xp + rested_bonus, rested_bonus, GetRestBonus(restType));
            return rested_bonus;
        }

        public void Update(uint now)
        {
            if (RandomHelper.randChance(3) && _restTime > 0) // freeze update
            {
                long timeDiff = now - _restTime;
                if (timeDiff >= 10)
                {
                    _restTime = now;

                    float bubble = 0.125f * WorldConfig.GetFloatValue(WorldCfg.RateRestIngame);
                    AddRestBonus(RestTypes.XP, timeDiff * CalcExtraPerSec(RestTypes.XP, bubble));
                }
            }
        }

        public void LoadRestBonus(RestTypes restType, PlayerRestState state, float restBonus)
        {
            _restBonus[(int)restType] = restBonus;
            _player.SetRestState(restType, state);
            _player.SetRestThreshold(restType, (uint)restBonus);
        }

        public float CalcExtraPerSec(RestTypes restType, float bubble)
        {
            switch (restType)
            {
                case RestTypes.Honor:
                    return _player.m_activePlayerData.HonorNextLevel / 72000.0f * bubble;
                case RestTypes.XP:
                    return _player.m_activePlayerData.NextLevelXP / 72000.0f * bubble;
                default:
                    return 0.0f;
            }
        }

        public float GetRestBonus(RestTypes restType) { return _restBonus[(int)restType]; }
        public bool HasRestFlag(RestFlag restFlag) { return (_restFlagMask & restFlag) != 0; }
        public InnAreaTrigger GetInnTrigger() { return _innAreaTrigger; }
        public void SetInnTrigger(InnAreaTrigger trigger) { _innAreaTrigger = trigger; }
    }

    public class InnAreaTrigger
    {
        public bool IsDBC = true;
        public uint AreaTriggerEntryId;

        public InnAreaTrigger(bool isDBC, uint areaTriggerEntryId = 0)
        {
            IsDBC = isDBC;
            AreaTriggerEntryId = areaTriggerEntryId;
        }
    }
}