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

/*
 * Scripts for spells with SPELLFAMILY_ROGUE and SPELLFAMILY_GENERIC spells used by rogue players.
 * Ordered alphabetically using scriptname.
 * Scriptnames of files in this file should be prefixed with "spell_rog_".
 */

#include "ScriptMgr.h"
#include "SpellScript.h"
#include "SpellAuraEffects.h"
#include "GridNotifiers.h"
#include "GridNotifiersImpl.h"
#include "CellImpl.h"

enum RogueSpells
{
    SPELL_ROGUE_BLADE_FLURRY_EXTRA_ATTACK       = 22482,
    SPELL_ROGUE_CHEAT_DEATH_COOLDOWN            = 31231,
    SPELL_ROGUE_CHEATING_DEATH                  = 45182,
    SPELL_ROGUE_GLYPH_OF_PREPARATION            = 56819,
    SPELL_ROGUE_KILLING_SPREE                   = 51690,
    SPELL_ROGUE_KILLING_SPREE_TELEPORT          = 57840,
    SPELL_ROGUE_KILLING_SPREE_WEAPON_DMG        = 57841,
    SPELL_ROGUE_KILLING_SPREE_DMG_BUFF          = 61851,
    SPELL_ROGUE_PREY_ON_THE_WEAK                = 58670,
    SPELL_ROGUE_SHIV_TRIGGERED                  = 5940,
    SPELL_ROGUE_TRICKS_OF_THE_TRADE_DMG_BOOST   = 57933,
    SPELL_ROGUE_TRICKS_OF_THE_TRADE_PROC        = 59628,
};

// Ours
class spell_rog_savage_combat : public SpellScriptLoader
{
public:
    spell_rog_savage_combat() : SpellScriptLoader("spell_rog_savage_combat") { }

    class spell_rog_savage_combat_AuraScript : public AuraScript
    {
        PrepareAuraScript(spell_rog_savage_combat_AuraScript);

        void CalcPeriodic(AuraEffect const* /*effect*/, bool& isPeriodic, int32& amplitude)
        {
            isPeriodic = true;
            amplitude = 1000;
        }

        void Update(AuraEffect* auraEffect)
        {
            Unit::AuraApplicationMap const& auras = GetUnitOwner()->GetAppliedAuras();
            for (Unit::AuraApplicationMap::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
                if (itr->second->GetBase()->GetCasterGUID() == this->GetCasterGUID() && itr->second->GetBase()->GetSpellInfo()->Dispel == DISPEL_POISON)
                    return;

            SetDuration(0);
        }

        void Register()
        {
            DoEffectCalcPeriodic += AuraEffectCalcPeriodicFn(spell_rog_savage_combat_AuraScript::CalcPeriodic, EFFECT_0, SPELL_AURA_MOD_DAMAGE_PERCENT_TAKEN);
            OnEffectUpdatePeriodic += AuraEffectUpdatePeriodicFn(spell_rog_savage_combat_AuraScript::Update, EFFECT_0, SPELL_AURA_MOD_DAMAGE_PERCENT_TAKEN);
        }
    };

    AuraScript* GetAuraScript() const
    {
        return new spell_rog_savage_combat_AuraScript();
    }
};

class spell_rog_combat_potency : public SpellScriptLoader
{
    public:
        spell_rog_combat_potency() : SpellScriptLoader("spell_rog_combat_potency") { }

        class spell_rog_combat_potency_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_combat_potency_AuraScript);

            bool CheckProc(ProcEventInfo& eventInfo)
            {
                return eventInfo.GetTypeMask() & PROC_FLAG_DONE_MELEE_AUTO_ATTACK;
            }

            void Register()
            {
                DoCheckProc += AuraCheckProcFn(spell_rog_combat_potency_AuraScript::CheckProc);
            }
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_combat_potency_AuraScript();
        }
};


// Theirs
// 13877, 33735, (check 51211, 65956) - Blade Flurry
class spell_rog_blade_flurry : public SpellScriptLoader
{
    public:
        spell_rog_blade_flurry() : SpellScriptLoader("spell_rog_blade_flurry") { }

        class spell_rog_blade_flurry_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_blade_flurry_AuraScript);

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_BLADE_FLURRY_EXTRA_ATTACK))
                    return false;
                return true;
            }

            bool Load()
            {
                _procTargetGUID = 0;
                return true;
            }

            bool CheckProc(ProcEventInfo& eventInfo)
            {
                Unit* _procTarget = eventInfo.GetActor()->SelectNearbyTarget(eventInfo.GetProcTarget());
                if (_procTarget)
                    _procTargetGUID = _procTarget->GetGUID();
                return _procTarget;
            }

            void HandleProc(AuraEffect const* aurEff, ProcEventInfo& eventInfo)
            {
                PreventDefaultAction();
                // Xinef: no _procTarget but checkproc passed??
                // Unit::CalculateAOEDamageReduction (this=0x0, damage=4118, schoolMask=1, caster=0x7ffdad089000)
                Unit* procTarget = ObjectAccessor::GetUnit(*GetTarget(), _procTargetGUID);
                if (procTarget && eventInfo.GetDamageInfo())
                {
                    int32 damage = eventInfo.GetDamageInfo()->GetDamage();
                    // Xinef: Include AOE Damage Reduction auras
                    damage = procTarget->CalculateAOEDamageReduction(damage, SPELL_SCHOOL_MASK_NORMAL, GetTarget());

                    CustomSpellValues values;
                    values.AddSpellMod(SPELLVALUE_BASE_POINT0, damage);
                    values.AddSpellMod(SPELLVALUE_FORCED_CRIT_RESULT, int32(eventInfo.GetHitMask() & PROC_EX_CRITICAL_HIT));
                    GetTarget()->CastCustomSpell(SPELL_ROGUE_BLADE_FLURRY_EXTRA_ATTACK, values, procTarget, TRIGGERED_FULL_MASK, NULL, aurEff);
                }
            }

            void Register()
            {
                DoCheckProc += AuraCheckProcFn(spell_rog_blade_flurry_AuraScript::CheckProc);
                OnEffectProc += AuraEffectProcFn(spell_rog_blade_flurry_AuraScript::HandleProc, EFFECT_0, SPELL_AURA_MOD_MELEE_HASTE);
            }

        private:
            uint64 _procTargetGUID;
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_blade_flurry_AuraScript();
        }
};

// -31228 - Cheat Death
class spell_rog_cheat_death : public SpellScriptLoader
{
    public:
        spell_rog_cheat_death() : SpellScriptLoader("spell_rog_cheat_death") { }

        class spell_rog_cheat_death_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_cheat_death_AuraScript);

            uint32 absorbChance;

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_CHEAT_DEATH_COOLDOWN))
                    return false;
                return true;
            }

            bool Load()
            {
                absorbChance = GetSpellInfo()->Effects[EFFECT_0].CalcValue();
                return GetUnitOwner()->ToPlayer();
            }

            void CalculateAmount(AuraEffect const* /*aurEff*/, int32 & amount, bool & /*canBeRecalculated*/)
            {
                // Set absorbtion amount to unlimited
                amount = -1;
            }

            void Absorb(AuraEffect* /*aurEff*/, DamageInfo & dmgInfo, uint32 & absorbAmount)
            {
                Player* target = GetTarget()->ToPlayer();
                if (dmgInfo.GetDamage() < target->GetHealth() || target->HasSpellCooldown(SPELL_ROGUE_CHEAT_DEATH_COOLDOWN) || !roll_chance_i(absorbChance))
                    return;

                target->CastSpell(target, SPELL_ROGUE_CHEAT_DEATH_COOLDOWN, true);
                target->CastSpell(target, SPELL_ROGUE_CHEATING_DEATH, true);
                target->AddSpellCooldown(SPELL_ROGUE_CHEAT_DEATH_COOLDOWN, 0, MINUTE*IN_MILLISECONDS);

                uint32 health10 = target->CountPctFromMaxHealth(10);

                // hp > 10% - absorb hp till 10%
                if (target->GetHealth() > health10)
                    absorbAmount = dmgInfo.GetDamage() - target->GetHealth() + health10;
                // hp lower than 10% - absorb everything
                else
                    absorbAmount = dmgInfo.GetDamage();
            }

            void Register()
            {
                DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_rog_cheat_death_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
                OnEffectAbsorb += AuraEffectAbsorbFn(spell_rog_cheat_death_AuraScript::Absorb, EFFECT_0);
            }
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_cheat_death_AuraScript();
        }
};

// -2818 - Deadly Poison
class spell_rog_deadly_poison : public SpellScriptLoader
{
    public:
        spell_rog_deadly_poison() : SpellScriptLoader("spell_rog_deadly_poison") { }

        class spell_rog_deadly_poison_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_rog_deadly_poison_SpellScript);

            bool Load()
            {
                _stackAmount = 0;
                // at this point CastItem must already be initialized
                return GetCaster()->GetTypeId() == TYPEID_PLAYER && GetCastItem();
            }

            void HandleBeforeHit()
            {
                if (Unit* target = GetHitUnit())
                    // Deadly Poison
                    if (AuraEffect const* aurEff = target->GetAuraEffect(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_ROGUE, 0x10000, 0x80000, 0, GetCaster()->GetGUID()))
                        _stackAmount = aurEff->GetBase()->GetStackAmount();
            }

            void HandleAfterHit()
            {
                if (_stackAmount < 5)
                    return;

                Player* player = GetCaster()->ToPlayer();

                if (Unit* target = GetHitUnit())
                {

                    Item* item = player->GetItemByPos(INVENTORY_SLOT_BAG_0, EQUIPMENT_SLOT_MAINHAND);

                    if (item == GetCastItem())
                        item = player->GetItemByPos(INVENTORY_SLOT_BAG_0, EQUIPMENT_SLOT_OFFHAND);

                    if (!item)
                        return;

                    // item combat enchantments
                    for (uint8 slot = 0; slot < MAX_ENCHANTMENT_SLOT; ++slot)
                    {
                        SpellItemEnchantmentEntry const* enchant = sSpellItemEnchantmentStore.LookupEntry(item->GetEnchantmentId(EnchantmentSlot(slot)));
                        if (!enchant)
                            continue;

                        for (uint8 s = 0; s < 3; ++s)
                        {
                            if (enchant->type[s] != ITEM_ENCHANTMENT_TYPE_COMBAT_SPELL)
                                continue;

                            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(enchant->spellid[s]);
                            if (!spellInfo)
                            {
                                sLog->outError("Player::CastItemCombatSpell Enchant %i, player (Name: %s, GUID: %u) cast unknown spell %i", enchant->ID, player->GetName().c_str(), player->GetGUIDLow(), enchant->spellid[s]);
                                continue;
                            }

                            // Proc only rogue poisons
                            if (spellInfo->SpellFamilyName != SPELLFAMILY_ROGUE || spellInfo->Dispel != DISPEL_POISON)
                                continue;

                            // Do not reproc deadly
                            if (spellInfo->SpellFamilyFlags.IsEqual(0x10000, 0x80000, 0))
                                continue;

                            if (spellInfo->IsPositive())
                                player->CastSpell(player, enchant->spellid[s], true, item);
                            else
                                player->CastSpell(target, enchant->spellid[s], true, item);
                        }
                    }
                }
            }

            void Register()
            {
                BeforeHit += SpellHitFn(spell_rog_deadly_poison_SpellScript::HandleBeforeHit);
                AfterHit += SpellHitFn(spell_rog_deadly_poison_SpellScript::HandleAfterHit);
            }

            uint8 _stackAmount;
        };

        SpellScript* GetSpellScript() const
        {
            return new spell_rog_deadly_poison_SpellScript();
        }
};

// 51690 - Killing Spree
#define KillingSpreeScriptName "spell_rog_killing_spree"
class spell_rog_killing_spree : public SpellScriptLoader
{
    public:
        spell_rog_killing_spree() : SpellScriptLoader(KillingSpreeScriptName) { }

        class spell_rog_killing_spree_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_rog_killing_spree_SpellScript);

            SpellCastResult CheckCast()
            {
                // Kologarn area, Killing Spree should not work
                if (GetCaster()->GetMapId() == 603 /*Ulduar*/ && GetCaster()->GetDistance2d(1766.936f, -24.748f) < 50.0f)
                    return SPELL_FAILED_CANT_DO_THAT_RIGHT_NOW;
                return SPELL_CAST_OK;
            }

            void FilterTargets(std::list<WorldObject*>& targets)
            {
                if (targets.empty() || GetCaster()->GetVehicleBase() || GetCaster()->HasUnitState(UNIT_STATE_ROOT))
                    FinishCast(SPELL_FAILED_OUT_OF_RANGE);
                else
                {
                    // Added attribute not breaking stealth, removes auras here
                    GetCaster()->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_CAST);
                    GetCaster()->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_SPELL_ATTACK);
                }
            }

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                if (Aura* aura = GetCaster()->GetAura(SPELL_ROGUE_KILLING_SPREE))
                {
                    if (spell_rog_killing_spree_AuraScript* script = dynamic_cast<spell_rog_killing_spree_AuraScript*>(aura->GetScriptByName(KillingSpreeScriptName)))
                        script->AddTarget(GetHitUnit());
                }
            }

            void Register()
            {
                OnCheckCast += SpellCheckCastFn(spell_rog_killing_spree_SpellScript::CheckCast);
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_rog_killing_spree_SpellScript::FilterTargets, EFFECT_1, TARGET_UNIT_DEST_AREA_ENEMY);
                OnEffectHitTarget += SpellEffectFn(spell_rog_killing_spree_SpellScript::HandleDummy, EFFECT_1, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript* GetSpellScript() const
        {
            return new spell_rog_killing_spree_SpellScript();
        }

        class spell_rog_killing_spree_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_killing_spree_AuraScript);

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_KILLING_SPREE_TELEPORT)
                    || !sSpellMgr->GetSpellInfo(SPELL_ROGUE_KILLING_SPREE_WEAPON_DMG)
                    || !sSpellMgr->GetSpellInfo(SPELL_ROGUE_KILLING_SPREE_DMG_BUFF))
                    return false;
                return true;
            }

            void HandleApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                GetTarget()->CastSpell(GetTarget(), SPELL_ROGUE_KILLING_SPREE_DMG_BUFF, true);
            }

            void HandleEffectPeriodic(AuraEffect const* /*aurEff*/)
            {
                while (!_targets.empty())
                {
                    uint64 guid = Trinity::Containers::SelectRandomContainerElement(_targets);
                    if (Unit* target = ObjectAccessor::GetUnit(*GetTarget(), guid))
                    {
                        // xinef: target may be no longer valid
                        if (!GetTarget()->IsValidAttackTarget(target))
                        {
                            _targets.remove(guid);
                            continue;
                        }

                        GetTarget()->CastSpell(target, SPELL_ROGUE_KILLING_SPREE_TELEPORT, true);

                        // xinef: ensure fast coordinates switch, dont wait for client to send opcode
                        WorldLocation const& dest = GetTarget()->ToPlayer()->GetTeleportDest();
                        GetTarget()->ToPlayer()->UpdatePosition(dest, true);

                        GetTarget()->CastSpell(target, SPELL_ROGUE_KILLING_SPREE_WEAPON_DMG, TriggerCastFlags(TRIGGERED_FULL_MASK&~TRIGGERED_DONT_REPORT_CAST_ERROR));
                        break;
                    }
                    else
                        _targets.remove(guid);
                }
            }

            void HandleRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                GetTarget()->RemoveAurasDueToSpell(SPELL_ROGUE_KILLING_SPREE_DMG_BUFF);
            }

            void Register()
            {
                AfterEffectApply += AuraEffectApplyFn(spell_rog_killing_spree_AuraScript::HandleApply, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
                OnEffectPeriodic += AuraEffectPeriodicFn(spell_rog_killing_spree_AuraScript::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
                AfterEffectRemove += AuraEffectRemoveFn(spell_rog_killing_spree_AuraScript::HandleRemove, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
            }

        public:
            void AddTarget(Unit* target)
            {
                _targets.push_back(target->GetGUID());
            }

        private:
            std::list<uint64> _targets;
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_killing_spree_AuraScript();
        }
};

// -31130 - Nerves of Steel
class spell_rog_nerves_of_steel : public SpellScriptLoader
{
    public:
        spell_rog_nerves_of_steel() : SpellScriptLoader("spell_rog_nerves_of_steel") { }

        class spell_rog_nerves_of_steel_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_nerves_of_steel_AuraScript);

            uint32 absorbPct;

            bool Load()
            {
                absorbPct = GetSpellInfo()->Effects[EFFECT_0].CalcValue(GetCaster());
                return true;
            }

            void CalculateAmount(AuraEffect const* /*aurEff*/, int32 & amount, bool & /*canBeRecalculated*/)
            {
                // Set absorbtion amount to unlimited
                amount = -1;
            }

            void Absorb(AuraEffect* /*aurEff*/, DamageInfo & dmgInfo, uint32 & absorbAmount)
            {
                // reduces all damage taken while stun or fear
                if (GetTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & (UNIT_FLAG_FLEEING) || (GetTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & (UNIT_FLAG_STUNNED) && GetTarget()->HasAuraWithMechanic(1<<MECHANIC_STUN)))
                    absorbAmount = CalculatePct(dmgInfo.GetDamage(), absorbPct);
            }

            void Register()
            {
                 DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_rog_nerves_of_steel_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_SCHOOL_ABSORB);
                 OnEffectAbsorb += AuraEffectAbsorbFn(spell_rog_nerves_of_steel_AuraScript::Absorb, EFFECT_0);
            }
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_nerves_of_steel_AuraScript();
        }
};

// 14185 - Preparation
class spell_rog_preparation : public SpellScriptLoader
{
    public:
        spell_rog_preparation() : SpellScriptLoader("spell_rog_preparation") { }

        class spell_rog_preparation_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_rog_preparation_SpellScript);

            bool Load()
            {
                return GetCaster()->GetTypeId() == TYPEID_PLAYER;
            }

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_GLYPH_OF_PREPARATION))
                    return false;
                return true;
            }

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                Player* caster = GetCaster()->ToPlayer();
                //immediately finishes the cooldown on certain Rogue abilities

                bool hasGlyph = caster->HasAura(SPELL_ROGUE_GLYPH_OF_PREPARATION);
                PlayerSpellMap const& spellMap = caster->GetSpellMap();
                for (PlayerSpellMap::const_iterator itr = spellMap.begin(); itr != spellMap.end(); ++itr)
                {
                    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(itr->first);
                    if (spellInfo->SpellFamilyName == SPELLFAMILY_ROGUE)
                    {
                        if (spellInfo->SpellFamilyFlags[1] & SPELLFAMILYFLAG1_ROGUE_COLDB_SHADOWSTEP ||      // Cold Blood, Shadowstep
                            spellInfo->SpellFamilyFlags[0] & SPELLFAMILYFLAG_ROGUE_VAN_EVAS_SPRINT)           // Vanish, Evasion, Sprint
                        {
                            SpellCooldowns::iterator citr = caster->GetSpellCooldownMap().find(spellInfo->Id);
                            if (citr != caster->GetSpellCooldownMap().end() && citr->second.needSendToClient)
                                caster->RemoveSpellCooldown(spellInfo->Id, true);
                            else
                                caster->RemoveSpellCooldown(spellInfo->Id, false);
                        }
                        else if (hasGlyph)
                        {
                            if (spellInfo->SpellFamilyFlags[1] & SPELLFAMILYFLAG1_ROGUE_DISMANTLE ||         // Dismantle
                                spellInfo->SpellFamilyFlags[0] & SPELLFAMILYFLAG_ROGUE_KICK ||               // Kick
                                (spellInfo->SpellFamilyFlags[0] & SPELLFAMILYFLAG_ROGUE_BLADE_FLURRY &&     // Blade Flurry
                                spellInfo->SpellFamilyFlags[1] & SPELLFAMILYFLAG1_ROGUE_BLADE_FLURRY))
                            {
                                SpellCooldowns::iterator citr = caster->GetSpellCooldownMap().find(spellInfo->Id);
                                if (citr != caster->GetSpellCooldownMap().end() && citr->second.needSendToClient)
                                    caster->RemoveSpellCooldown(spellInfo->Id, true);
                                else
                                    caster->RemoveSpellCooldown(spellInfo->Id, false);
                            }
                        }
                    }
                }
            }

            void Register()
            {
                OnEffectHitTarget += SpellEffectFn(spell_rog_preparation_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript* GetSpellScript() const
        {
            return new spell_rog_preparation_SpellScript();
        }
};

// -51685 - Prey on the Weak
class spell_rog_prey_on_the_weak : public SpellScriptLoader
{
    public:
        spell_rog_prey_on_the_weak() : SpellScriptLoader("spell_rog_prey_on_the_weak") { }

        class spell_rog_prey_on_the_weak_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_prey_on_the_weak_AuraScript);

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_PREY_ON_THE_WEAK))
                    return false;
                return true;
            }

            void HandleEffectPeriodic(AuraEffect const* /*aurEff*/)
            {
                Unit* target = GetTarget();
                Unit* victim = target->GetVictim();
                if (!victim && target->GetTypeId() == TYPEID_PLAYER)
                    victim = target->ToPlayer()->GetSelectedUnit();

                if (victim && (target->GetHealthPct() > victim->GetHealthPct()))
                {
                    if (!target->HasAura(SPELL_ROGUE_PREY_ON_THE_WEAK))
                    {
                        int32 bp = GetSpellInfo()->Effects[EFFECT_0].CalcValue();
                        target->CastCustomSpell(target, SPELL_ROGUE_PREY_ON_THE_WEAK, &bp, 0, 0, true);
                    }
                }
                else
                    target->RemoveAurasDueToSpell(SPELL_ROGUE_PREY_ON_THE_WEAK);
            }

            void Register()
            {
                OnEffectPeriodic += AuraEffectPeriodicFn(spell_rog_prey_on_the_weak_AuraScript::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_DUMMY);
            }
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_prey_on_the_weak_AuraScript();
        }
};

// -1943 - Rupture
class spell_rog_rupture : public SpellScriptLoader
{
    public:
        spell_rog_rupture() : SpellScriptLoader("spell_rog_rupture") { }

        class spell_rog_rupture_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_rupture_AuraScript);

            bool Load()
            {
                Unit* caster = GetCaster();
                return caster && caster->GetTypeId() == TYPEID_PLAYER;
            }

            void CalculateAmount(AuraEffect const* /*aurEff*/, int32& amount, bool& canBeRecalculated)
            {
                if (Unit* caster = GetCaster())
                {
                    canBeRecalculated = false;

                    float const attackpowerPerCombo[6] =
                    {
                        0.0f,
                        0.015f,         // 1 point:  ${($m1 + $b1*1 + 0.015 * $AP) * 4} damage over 8 secs
                        0.024f,         // 2 points: ${($m1 + $b1*2 + 0.024 * $AP) * 5} damage over 10 secs
                        0.03f,          // 3 points: ${($m1 + $b1*3 + 0.03 * $AP) * 6} damage over 12 secs
                        0.03428571f,    // 4 points: ${($m1 + $b1*4 + 0.03428571 * $AP) * 7} damage over 14 secs
                        0.0375f         // 5 points: ${($m1 + $b1*5 + 0.0375 * $AP) * 8} damage over 16 secs
                    };

                    uint8 cp = caster->ToPlayer()->GetComboPoints();
                    if (cp > 5)
                        cp = 5;

                    amount += int32(caster->GetTotalAttackPowerValue(BASE_ATTACK) * attackpowerPerCombo[cp]);
                }
            }

            void Register()
            {
                DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_rog_rupture_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_PERIODIC_DAMAGE);
            }
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_rupture_AuraScript();
        }
};

// 5938 - Shiv
class spell_rog_shiv : public SpellScriptLoader
{
    public:
        spell_rog_shiv() : SpellScriptLoader("spell_rog_shiv") { }

        class spell_rog_shiv_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_rog_shiv_SpellScript);

            bool Load()
            {
                return GetCaster()->GetTypeId() == TYPEID_PLAYER;
            }

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_SHIV_TRIGGERED))
                    return false;
                return true;
            }

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                Unit* caster = GetCaster();
                if (Unit* unitTarget = GetHitUnit())
                    caster->CastSpell(unitTarget, SPELL_ROGUE_SHIV_TRIGGERED, true);
            }

            void Register()
            {
                OnEffectHitTarget += SpellEffectFn(spell_rog_shiv_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript* GetSpellScript() const
        {
            return new spell_rog_shiv_SpellScript();
        }
};

// 57934 - Tricks of the Trade
class spell_rog_tricks_of_the_trade : public SpellScriptLoader
{
    public:
        spell_rog_tricks_of_the_trade() : SpellScriptLoader("spell_rog_tricks_of_the_trade") { }

        class spell_rog_tricks_of_the_trade_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_tricks_of_the_trade_AuraScript);

            bool Validate(SpellInfo const* /*spellInfo*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_TRICKS_OF_THE_TRADE_DMG_BOOST))
                    return false;
                if (!sSpellMgr->GetSpellInfo(SPELL_ROGUE_TRICKS_OF_THE_TRADE_PROC))
                    return false;
                return true;
            }

            bool Load()
            {
                _redirectTarget = NULL;
                return true;
            }

            void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_DEFAULT)
                    GetTarget()->ResetRedirectThreat();
            }

            bool CheckProc(ProcEventInfo& /*eventInfo*/)
            {
                _redirectTarget = GetTarget()->GetRedirectThreatTarget();
                return _redirectTarget;
            }

            void HandleProc(AuraEffect const* /*aurEff*/, ProcEventInfo& /*eventInfo*/)
            {
                PreventDefaultAction();

                Unit* target = GetTarget();
                target->CastSpell(_redirectTarget, SPELL_ROGUE_TRICKS_OF_THE_TRADE_DMG_BOOST, true);
                target->CastSpell(target, SPELL_ROGUE_TRICKS_OF_THE_TRADE_PROC, true);
                Remove(AURA_REMOVE_BY_DEFAULT); // maybe handle by proc charges
            }

            void Register()
            {
                AfterEffectRemove += AuraEffectRemoveFn(spell_rog_tricks_of_the_trade_AuraScript::OnRemove, EFFECT_1, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
                DoCheckProc += AuraCheckProcFn(spell_rog_tricks_of_the_trade_AuraScript::CheckProc);
                OnEffectProc += AuraEffectProcFn(spell_rog_tricks_of_the_trade_AuraScript::HandleProc, EFFECT_1, SPELL_AURA_DUMMY);
            }

        private:
            Unit* _redirectTarget;
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_tricks_of_the_trade_AuraScript();
        }
};

// 59628 - Tricks of the Trade (Proc)
class spell_rog_tricks_of_the_trade_proc : public SpellScriptLoader
{
    public:
        spell_rog_tricks_of_the_trade_proc() : SpellScriptLoader("spell_rog_tricks_of_the_trade_proc") { }

        class spell_rog_tricks_of_the_trade_proc_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_rog_tricks_of_the_trade_proc_AuraScript);

            void HandleRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                GetTarget()->ResetRedirectThreat();
            }

            void Register()
            {
                AfterEffectRemove += AuraEffectRemoveFn(spell_rog_tricks_of_the_trade_proc_AuraScript::HandleRemove, EFFECT_0, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
            }
        };

        AuraScript* GetAuraScript() const
        {
            return new spell_rog_tricks_of_the_trade_proc_AuraScript();
        }
};

void AddSC_rogue_spell_scripts()
{
    // Ours
    new spell_rog_savage_combat();
    new spell_rog_combat_potency();

    // Theirs
    new spell_rog_blade_flurry();
    new spell_rog_cheat_death();
    new spell_rog_deadly_poison();
    new spell_rog_killing_spree();
    new spell_rog_nerves_of_steel();
    new spell_rog_preparation();
    new spell_rog_prey_on_the_weak();
    new spell_rog_rupture();
    new spell_rog_shiv();
    new spell_rog_tricks_of_the_trade();
    new spell_rog_tricks_of_the_trade_proc();
}