/*
 * Copyright (C) 2008-2013 TrinityCore <http://www.trinitycore.org/>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */

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

#include "Player.h"
#include "ScriptMgr.h"
#include "GridNotifiers.h"
#include "Unit.h"
#include "SpellScript.h"
#include "SpellAuraEffects.h"

enum ShamanSpells
{
    SPELL_SHAMAN_ANCESTRAL_AWAKENING_PROC       = 52752,
    SPELL_SHAMAN_BIND_SIGHT                     = 6277,
    SPELL_SHAMAN_CLEANSING_TOTEM_EFFECT         = 52025,
    SPELL_SHAMAN_EARTH_SHIELD_HEAL              = 379,
    SPELL_SHAMAN_EXHAUSTION                     = 57723,
    SPELL_SHAMAN_FIRE_NOVA_R1                   = 1535,
    SPELL_SHAMAN_FIRE_NOVA_TRIGGERED_R1         = 8349,
    SPELL_SHAMAN_GLYPH_OF_EARTH_SHIELD          = 63279,
    SPELL_SHAMAN_GLYPH_OF_HEALING_STREAM_TOTEM  = 55456,
    SPELL_SHAMAN_GLYPH_OF_MANA_TIDE             = 55441,
    SPELL_SHAMAN_GLYPH_OF_THUNDERSTORM          = 62132,
    SPELL_SHAMAN_LAVA_FLOWS_R1                  = 51480,
    SPELL_SHAMAN_LAVA_FLOWS_TRIGGERED_R1        = 64694,
    SPELL_SHAMAN_MANA_SPRING_TOTEM_ENERGIZE     = 52032,
    SPELL_SHAMAN_MANA_TIDE_TOTEM                = 39609,
    SPELL_SHAMAN_SATED                          = 57724,
    SPELL_SHAMAN_STORM_EARTH_AND_FIRE           = 51483,
    SPELL_SHAMAN_TOTEM_EARTHBIND_EARTHGRAB      = 64695,
    SPELL_SHAMAN_TOTEM_EARTHBIND_TOTEM          = 6474,
    SPELL_SHAMAN_TOTEM_EARTHEN_POWER            = 59566,
    SPELL_SHAMAN_TOTEM_HEALING_STREAM_HEAL      = 52042
};

enum ShamanSpellIcons
{
    SHAMAN_ICON_ID_RESTORATIVE_TOTEMS  = 338,
    SHAMAN_ICON_ID_SHAMAN_LAVA_FLOW    = 3087
};

// 52759 - Ancestral Awakening (Proc)
class spell_sha_ancestral_awakening_proc : public SpellScriptLoader
{
    public:
        spell_sha_ancestral_awakening_proc() : SpellScriptLoader("spell_sha_ancestral_awakening_proc") { }

        class spell_sha_ancestral_awakening_proc_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_ancestral_awakening_proc_SpellScript);

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

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                int32 damage = GetEffectValue();
                if (GetHitUnit())
                    GetCaster()->CastCustomSpell(GetHitUnit(), SPELL_SHAMAN_ANCESTRAL_AWAKENING_PROC, &damage, NULL, NULL, true);
            }

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

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

// 51474 - Astral Shift
class spell_sha_astral_shift : public SpellScriptLoader
{
    public:
        spell_sha_astral_shift() : SpellScriptLoader("spell_sha_astral_shift") { }

        class spell_sha_astral_shift_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_sha_astral_shift_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, fear or silence
                if (GetTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & (UNIT_FLAG_FLEEING | UNIT_FLAG_SILENCED) || (GetTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & (UNIT_FLAG_STUNNED) && GetTarget()->HasAuraWithMechanic(1<<MECHANIC_STUN)))
                    absorbAmount = CalculatePct(dmgInfo.GetDamage(), absorbPct);
            }

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

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

// 2825 - Bloodlust
class spell_sha_bloodlust : public SpellScriptLoader
{
    public:
        spell_sha_bloodlust() : SpellScriptLoader("spell_sha_bloodlust") { }

        class spell_sha_bloodlust_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_bloodlust_SpellScript);

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

            void RemoveInvalidTargets(std::list<WorldObject*>& targets)
            {
                targets.remove_if(Trinity::UnitAuraCheck(true, SPELL_SHAMAN_SATED));
            }

            void ApplyDebuff()
            {
                if (Unit* target = GetHitUnit())
                    target->CastSpell(target, SPELL_SHAMAN_SATED, true);
            }

            void Register()
            {
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_bloodlust_SpellScript::RemoveInvalidTargets, EFFECT_0, TARGET_UNIT_CASTER_AREA_RAID);
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_bloodlust_SpellScript::RemoveInvalidTargets, EFFECT_1, TARGET_UNIT_CASTER_AREA_RAID);
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_bloodlust_SpellScript::RemoveInvalidTargets, EFFECT_2, TARGET_UNIT_CASTER_AREA_RAID);
                AfterHit += SpellHitFn(spell_sha_bloodlust_SpellScript::ApplyDebuff);
            }
        };

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

// -1064 - Chain Heal
class spell_sha_chain_heal : public SpellScriptLoader
{
    public:
        spell_sha_chain_heal() : SpellScriptLoader("spell_sha_chain_heal") { }

        class spell_sha_chain_heal_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_chain_heal_SpellScript);

            bool Load()
            {
                firstHeal = true;
                riptide = false;
                return true;
            }

            void HandleHeal(SpellEffIndex /*effIndex*/)
            {
                if (firstHeal)
                {
                    // Check if the target has Riptide
                    if (AuraEffect* aurEff = GetHitUnit()->GetAuraEffect(SPELL_AURA_PERIODIC_HEAL, SPELLFAMILY_SHAMAN, 0, 0, 0x10, GetCaster()->GetGUID()))
                    {
                        riptide = true;
                        // Consume it
                        GetHitUnit()->RemoveAura(aurEff->GetBase());
                    }
                    firstHeal = false;
                }
                // Riptide increases the Chain Heal effect by 25%
                if (riptide)
                    SetHitHeal(GetHitHeal() * 1.25f);
            }

            void Register()
            {
                OnEffectHitTarget += SpellEffectFn(spell_sha_chain_heal_SpellScript::HandleHeal, EFFECT_0, SPELL_EFFECT_HEAL);
            }

            bool firstHeal;
            bool riptide;
        };

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

// 8171 - Cleansing Totem (Pulse)
class spell_sha_cleansing_totem_pulse : public SpellScriptLoader
{
    public:
        spell_sha_cleansing_totem_pulse() : SpellScriptLoader("spell_sha_cleansing_totem_pulse") { }

        class spell_sha_cleansing_totem_pulse_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_cleansing_totem_pulse_SpellScript);

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

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                int32 bp = 1;
                if (GetCaster() && GetHitUnit() && GetOriginalCaster())
                    GetCaster()->CastCustomSpell(GetHitUnit(), SPELL_SHAMAN_CLEANSING_TOTEM_EFFECT, NULL, &bp, NULL, true, NULL, NULL, GetOriginalCaster()->GetGUID());
            }

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

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

// -974 - Earth Shield
class spell_sha_earth_shield : public SpellScriptLoader
{
    public:
        spell_sha_earth_shield() : SpellScriptLoader("spell_sha_earth_shield") { }

        class spell_sha_earth_shield_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_sha_earth_shield_AuraScript);

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

            void CalculateAmount(AuraEffect const* /*aurEff*/, int32& amount, bool & /*canBeRecalculated*/)
            {
                if (Unit* caster = GetCaster())
                {
                    amount = caster->SpellHealingBonusDone(GetUnitOwner(), GetSpellInfo(), amount, HEAL);
                    amount = GetUnitOwner()->SpellHealingBonusTaken(caster, GetSpellInfo(), amount, HEAL);

                    // Glyph of Earth Shield
                    //! WORKAROUND
                    //! this glyph is a proc
                    if (AuraEffect* glyph = caster->GetAuraEffect(SPELL_SHAMAN_GLYPH_OF_EARTH_SHIELD, EFFECT_0))
                        AddPct(amount, glyph->GetAmount());
                }
            }

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

                //! HACK due to currenct proc system implementation
                if (Player* player = GetTarget()->ToPlayer())
                    if (player->HasSpellCooldown(SPELL_SHAMAN_EARTH_SHIELD_HEAL))
                        return;

                GetTarget()->CastCustomSpell(SPELL_SHAMAN_EARTH_SHIELD_HEAL, SPELLVALUE_BASE_POINT0, aurEff->GetAmount(), GetTarget(), true, NULL, aurEff, GetCasterGUID());

                if (Player* player = GetTarget()->ToPlayer())
                    player->AddSpellCooldown(SPELL_SHAMAN_EARTH_SHIELD_HEAL, 0, time(NULL) + 3);
            }

            void Register()
            {
                DoEffectCalcAmount += AuraEffectCalcAmountFn(spell_sha_earth_shield_AuraScript::CalculateAmount, EFFECT_0, SPELL_AURA_DUMMY);
                OnEffectProc += AuraEffectProcFn(spell_sha_earth_shield_AuraScript::HandleProc, EFFECT_0, SPELL_AURA_DUMMY);
            }
        };

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

// 6474 - Earthbind Totem - Fix Talent: Earthen Power
class spell_sha_earthbind_totem : public SpellScriptLoader
{
    public:
        spell_sha_earthbind_totem() : SpellScriptLoader("spell_sha_earthbind_totem") { }

        class spell_sha_earthbind_totem_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_sha_earthbind_totem_AuraScript);

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

            void HandleEffectPeriodic(AuraEffect const* /*aurEff*/)
            {
                if (!GetCaster())
                    return;
                if (Player* owner = GetCaster()->GetCharmerOrOwnerPlayerOrPlayerItself())
                    if (AuraEffect* aur = owner->GetDummyAuraEffect(SPELLFAMILY_SHAMAN, 2289, 0))
                        if (roll_chance_i(aur->GetBaseAmount()))
                            GetTarget()->CastSpell((Unit*)NULL, SPELL_SHAMAN_TOTEM_EARTHEN_POWER, true);
            }

            void Apply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                if (!GetCaster())
                    return;
                Player* owner = GetCaster()->GetCharmerOrOwnerPlayerOrPlayerItself();
                if (!owner)
                    return;
                // Storm, Earth and Fire
                if (AuraEffect* aurEff = owner->GetAuraEffectOfRankedSpell(SPELL_SHAMAN_STORM_EARTH_AND_FIRE, EFFECT_1))
                {
                    if (roll_chance_i(aurEff->GetAmount()))
                        GetCaster()->CastSpell(GetCaster(), SPELL_SHAMAN_TOTEM_EARTHBIND_EARTHGRAB, false);
                }
            }

            void Register()
            {
                 OnEffectPeriodic += AuraEffectPeriodicFn(spell_sha_earthbind_totem_AuraScript::HandleEffectPeriodic, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL);
                 OnEffectApply += AuraEffectApplyFn(spell_sha_earthbind_totem_AuraScript::Apply, EFFECT_0, SPELL_AURA_PERIODIC_TRIGGER_SPELL, AURA_EFFECT_HANDLE_REAL);
            }
        };

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

class EarthenPowerTargetSelector
{
    public:
        EarthenPowerTargetSelector() { }

        bool operator() (WorldObject* target)
        {
            if (!target->ToUnit())
                return true;

            if (!target->ToUnit()->HasAuraWithMechanic(1 << MECHANIC_SNARE))
                return true;

            return false;
        }
};

// 59566 - Earthen Power
class spell_sha_earthen_power : public SpellScriptLoader
{
    public:
        spell_sha_earthen_power() : SpellScriptLoader("spell_sha_earthen_power") { }

        class spell_sha_earthen_power_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_earthen_power_SpellScript);

            void FilterTargets(std::list<WorldObject*>& unitList)
            {
                unitList.remove_if(EarthenPowerTargetSelector());
            }

            void Register()
            {
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_earthen_power_SpellScript::FilterTargets, EFFECT_0, TARGET_UNIT_SRC_AREA_ALLY);
            }
        };

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

// -1535 - Fire Nova
class spell_sha_fire_nova : public SpellScriptLoader
{
    public:
        spell_sha_fire_nova() : SpellScriptLoader("spell_sha_fire_nova") { }

        class spell_sha_fire_nova_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_fire_nova_SpellScript);

            bool Validate(SpellInfo const* spellInfo)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_SHAMAN_FIRE_NOVA_R1) || sSpellMgr->GetFirstSpellInChain(SPELL_SHAMAN_FIRE_NOVA_R1) != sSpellMgr->GetFirstSpellInChain(spellInfo->Id))
                    return false;

                uint8 rank = sSpellMgr->GetSpellRank(spellInfo->Id);
                if (!sSpellMgr->GetSpellWithRank(SPELL_SHAMAN_FIRE_NOVA_TRIGGERED_R1, rank, true))
                    return false;
                return true;
            }

            SpellCastResult CheckFireTotem()
            {
                // fire totem
                if (!GetCaster()->m_SummonSlot[1])
                {
                    SetCustomCastResultMessage(SPELL_CUSTOM_ERROR_MUST_HAVE_FIRE_TOTEM);
                    return SPELL_FAILED_CUSTOM_ERROR;
                }

                return SPELL_CAST_OK;
            }

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                if (Unit* caster = GetCaster())
                {
                    uint8 rank = sSpellMgr->GetSpellRank(GetSpellInfo()->Id);
                    if (uint32 spellId = sSpellMgr->GetSpellWithRank(SPELL_SHAMAN_FIRE_NOVA_TRIGGERED_R1, rank))
                    {
                        Creature* totem = caster->GetMap()->GetCreature(caster->m_SummonSlot[1]);
                        if (totem && totem->isTotem())
                            caster->CastSpell(totem, spellId, true);
                    }
                }
            }

            void Register()
            {
                OnCheckCast += SpellCheckCastFn(spell_sha_fire_nova_SpellScript::CheckFireTotem);
                OnEffectHitTarget += SpellEffectFn(spell_sha_fire_nova_SpellScript::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
            }
        };

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

// -8050 - Flame Shock
class spell_sha_flame_shock : public SpellScriptLoader
{
    public:
        spell_sha_flame_shock() : SpellScriptLoader("spell_sha_flame_shock") { }

        class spell_sha_flame_shock_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_sha_flame_shock_AuraScript);

            bool Validate(SpellInfo const* /*spell*/)
            {
                if (!sSpellMgr->GetSpellInfo(SPELL_SHAMAN_LAVA_FLOWS_R1))
                    return false;
                if (!sSpellMgr->GetSpellInfo(SPELL_SHAMAN_LAVA_FLOWS_TRIGGERED_R1))
                    return false;
                return true;
            }

            void HandleDispel(DispelInfo* /*dispelInfo*/)
            {
                if (Unit* caster = GetCaster())
                    // Lava Flows
                    if (AuraEffect const* aurEff = caster->GetDummyAuraEffect(SPELLFAMILY_SHAMAN, SHAMAN_ICON_ID_SHAMAN_LAVA_FLOW, EFFECT_0))
                    {
                        if (sSpellMgr->GetFirstSpellInChain(SPELL_SHAMAN_LAVA_FLOWS_R1) != sSpellMgr->GetFirstSpellInChain(aurEff->GetId()))
                            return;

                        uint8 rank = sSpellMgr->GetSpellRank(aurEff->GetId());
                        caster->CastSpell(caster, sSpellMgr->GetSpellWithRank(SPELL_SHAMAN_LAVA_FLOWS_TRIGGERED_R1, rank), true);
                    }
            }

            void Register()
            {
                AfterDispel += AuraDispelFn(spell_sha_flame_shock_AuraScript::HandleDispel);
            }
        };

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

// 52041, 52046, 52047, 52048, 52049, 52050, 58759, 58760, 58761 - Healing Stream Totem
class spell_sha_healing_stream_totem : public SpellScriptLoader
{
    public:
        spell_sha_healing_stream_totem() : SpellScriptLoader("spell_sha_healing_stream_totem") { }

        class spell_sha_healing_stream_totem_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_healing_stream_totem_SpellScript);

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

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                int32 damage = GetEffectValue();
                SpellInfo const* triggeringSpell = GetTriggeringSpell();
                if (Unit* target = GetHitUnit())
                    if (Unit* caster = GetCaster())
                    {
                        if (Unit* owner = caster->GetOwner())
                        {
                            if (triggeringSpell)
                                damage = int32(owner->SpellHealingBonusDone(target, triggeringSpell, damage, HEAL));

                            // Restorative Totems
                            if (AuraEffect* dummy = owner->GetAuraEffect(SPELL_AURA_DUMMY, SPELLFAMILY_SHAMAN, SHAMAN_ICON_ID_RESTORATIVE_TOTEMS, 1))
                                AddPct(damage, dummy->GetAmount());

                            // Glyph of Healing Stream Totem
                            if (AuraEffect const* aurEff = owner->GetAuraEffect(SPELL_SHAMAN_GLYPH_OF_HEALING_STREAM_TOTEM, EFFECT_0))
                                AddPct(damage, aurEff->GetAmount());

                            damage = int32(target->SpellHealingBonusTaken(owner, triggeringSpell, damage, HEAL));
                        }
                        caster->CastCustomSpell(target, SPELL_SHAMAN_TOTEM_HEALING_STREAM_HEAL, &damage, 0, 0, true, 0, 0, GetOriginalCaster()->GetGUID());
                    }
            }

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

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

// 32182 - Heroism
class spell_sha_heroism : public SpellScriptLoader
{
    public:
        spell_sha_heroism() : SpellScriptLoader("spell_sha_heroism") { }

        class spell_sha_heroism_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_heroism_SpellScript);

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

            void RemoveInvalidTargets(std::list<WorldObject*>& targets)
            {
                targets.remove_if(Trinity::UnitAuraCheck(true, SPELL_SHAMAN_EXHAUSTION));
            }

            void ApplyDebuff()
            {
                if (Unit* target = GetHitUnit())
                    target->CastSpell(target, SPELL_SHAMAN_EXHAUSTION, true);
            }

            void Register()
            {
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_heroism_SpellScript::RemoveInvalidTargets, EFFECT_0, TARGET_UNIT_CASTER_AREA_RAID);
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_heroism_SpellScript::RemoveInvalidTargets, EFFECT_1, TARGET_UNIT_CASTER_AREA_RAID);
                OnObjectAreaTargetSelect += SpellObjectAreaTargetSelectFn(spell_sha_heroism_SpellScript::RemoveInvalidTargets, EFFECT_2, TARGET_UNIT_CASTER_AREA_RAID);
                AfterHit += SpellHitFn(spell_sha_heroism_SpellScript::ApplyDebuff);
            }
        };

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

// 60103 - Lava Lash
class spell_sha_lava_lash : public SpellScriptLoader
{
    public:
        spell_sha_lava_lash() : SpellScriptLoader("spell_sha_lava_lash") { }

        class spell_sha_lava_lash_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_lava_lash_SpellScript)

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

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                if (Player* caster = GetCaster()->ToPlayer())
                {
                    int32 damage = GetEffectValue();
                    int32 hitDamage = GetHitDamage();
                    if (caster->GetItemByPos(INVENTORY_SLOT_BAG_0, EQUIPMENT_SLOT_OFFHAND))
                    {
                        // Damage is increased by 25% if your off-hand weapon is enchanted with Flametongue.
                        if (caster->GetAuraEffect(SPELL_AURA_DUMMY, SPELLFAMILY_SHAMAN, 0x200000, 0, 0))
                            AddPct(hitDamage, damage);
                        SetHitDamage(hitDamage);
                    }
                }
            }

            void Register()
            {
                OnEffectHitTarget += SpellEffectFn(spell_sha_lava_lash_SpellScript::HandleDummy, EFFECT_1, SPELL_EFFECT_DUMMY);
            }

        };

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

// 52031, 52033, 52034, 52035, 52036, 58778, 58779, 58780 - Mana Spring Totem
class spell_sha_mana_spring_totem : public SpellScriptLoader
{
    public:
        spell_sha_mana_spring_totem() : SpellScriptLoader("spell_sha_mana_spring_totem") { }

        class spell_sha_mana_spring_totem_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_mana_spring_totem_SpellScript);

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

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                int32 damage = GetEffectValue();
                if (Unit* target = GetHitUnit())
                    if (Unit* caster = GetCaster())
                        if (target->getPowerType() == POWER_MANA)
                            caster->CastCustomSpell(target, SPELL_SHAMAN_MANA_SPRING_TOTEM_ENERGIZE, &damage, 0, 0, true, 0, 0, GetOriginalCaster()->GetGUID());
            }

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

        };

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

// 39610 - Mana Tide Totem
class spell_sha_mana_tide_totem : public SpellScriptLoader
{
    public:
        spell_sha_mana_tide_totem() : SpellScriptLoader("spell_sha_mana_tide_totem") { }

        class spell_sha_mana_tide_totem_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_mana_tide_totem_SpellScript);

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

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                if (Unit* caster = GetCaster())
                    if (Unit* unitTarget = GetHitUnit())
                    {
                        if (unitTarget->getPowerType() == POWER_MANA)
                        {
                            int32 effValue = GetEffectValue();
                            // Glyph of Mana Tide
                            if (Unit* owner = caster->GetOwner())
                                if (AuraEffect* dummy = owner->GetAuraEffect(SPELL_SHAMAN_GLYPH_OF_MANA_TIDE, 0))
                                    effValue += dummy->GetAmount();
                            // Regenerate 6% of Total Mana Every 3 secs
                            int32 effBasePoints0 = int32(CalculatePct(unitTarget->GetMaxPower(POWER_MANA), effValue));
                            caster->CastCustomSpell(unitTarget, SPELL_SHAMAN_MANA_TIDE_TOTEM, &effBasePoints0, NULL, NULL, true, NULL, NULL, GetOriginalCaster()->GetGUID());
                        }
                    }
            }

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

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

// 6495 - Sentry Totem
class spell_sha_sentry_totem : public SpellScriptLoader
{
    public:
        spell_sha_sentry_totem() : SpellScriptLoader("spell_sha_sentry_totem") { }

        class spell_sha_sentry_totem_AuraScript : public AuraScript
        {
            PrepareAuraScript(spell_sha_sentry_totem_AuraScript);

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

            void AfterApply(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                if (Unit* caster = GetCaster())
                    if (Creature* totem = caster->GetMap()->GetCreature(caster->m_SummonSlot[4]))
                        if (totem->isTotem())
                            caster->CastSpell(totem, SPELL_SHAMAN_BIND_SIGHT, true);
            }

            void AfterRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
            {
                if (Unit* caster = GetCaster())
                    if (caster->GetTypeId() == TYPEID_PLAYER)
                        caster->ToPlayer()->StopCastingBindSight();
            }

            void Register()
            {
                 AfterEffectApply += AuraEffectApplyFn(spell_sha_sentry_totem_AuraScript::AfterApply, EFFECT_1, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
                 AfterEffectRemove += AuraEffectRemoveFn(spell_sha_sentry_totem_AuraScript::AfterRemove, EFFECT_1, SPELL_AURA_DUMMY, AURA_EFFECT_HANDLE_REAL);
            }
        };

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

// -51490 - Thunderstorm
class spell_sha_thunderstorm : public SpellScriptLoader
{
    public:
        spell_sha_thunderstorm() : SpellScriptLoader("spell_sha_thunderstorm") { }

        class spell_sha_thunderstorm_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_sha_thunderstorm_SpellScript);

            void HandleKnockBack(SpellEffIndex effIndex)
            {
                // Glyph of Thunderstorm
                if (GetCaster()->HasAura(SPELL_SHAMAN_GLYPH_OF_THUNDERSTORM))
                    PreventHitDefaultEffect(effIndex);
            }

            void Register()
            {
                OnEffectHitTarget += SpellEffectFn(spell_sha_thunderstorm_SpellScript::HandleKnockBack, EFFECT_2, SPELL_EFFECT_KNOCK_BACK);
            }
        };

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

void AddSC_shaman_spell_scripts()
{
    new spell_sha_ancestral_awakening_proc();
    new spell_sha_astral_shift();
    new spell_sha_bloodlust();
    new spell_sha_chain_heal();
    new spell_sha_cleansing_totem_pulse();
    new spell_sha_earth_shield();
    new spell_sha_earthbind_totem();
    new spell_sha_earthen_power();
    new spell_sha_fire_nova();
    new spell_sha_flame_shock();
    new spell_sha_healing_stream_totem();
    new spell_sha_heroism();
    new spell_sha_lava_lash();
    new spell_sha_mana_spring_totem();
    new spell_sha_mana_tide_totem();
    new spell_sha_sentry_totem();
    new spell_sha_thunderstorm();
}
