/* Copyright (C) 2006 - 2009 ScriptDev2 <https://scriptdev2.svn.sourceforge.net/>
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

/* ScriptData
SDName: Boss_Warlord_Najentus
SD%Complete: 95
SDComment:
SDCategory: Black Temple
EndScriptData */

#include "precompiled.h"
#include "def_black_temple.h"

enum
{
    SAY_AGGRO                       = -1564000,
    SAY_NEEDLE1                     = -1564001,
    SAY_NEEDLE2                     = -1564002,
    SAY_SLAY1                       = -1564003,
    SAY_SLAY2                       = -1564004,
    SAY_SPECIAL1                    = -1564005,
    SAY_SPECIAL2                    = -1564006,
    SAY_ENRAGE1                     = -1564007,           //is this text actually in use?
    SAY_ENRAGE2                     = -1564008,
    SAY_DEATH                       = -1564009,

    //Spells
    SPELL_NEEDLE_SPINE              = 39992,
    SPELL_TIDAL_BURST               = 39878,
    SPELL_TIDAL_SHIELD              = 39872,
    SPELL_IMPALING_SPINE            = 39837,
    SPELL_CREATE_NAJENTUS_SPINE     = 39956,
    SPELL_HURL_SPINE                = 39948,
    SPELL_BERSERK                   = 26662,

    GOBJECT_SPINE                   = 185584,

    EVENT_BERSERK                   = 1,
    EVENT_YELL                      = 2,
    EVENT_NEEDLE                    = 3,
    EVENT_SPINE                     = 4,
    EVENT_SHIELD                    = 5,

    GCD_CAST                        = 1,
    GCD_YELL                        = 2
};

struct TRINITY_DLL_DECL boss_najentusAI : public ScriptedAI
{
    boss_najentusAI(Creature *c) : ScriptedAI(c)
    {
        pInstance = c->GetInstanceData();
    }

    ScriptedInstance* pInstance;
    EventMap events;

    uint64 SpineTargetGUID;

    void Reset()
    {
        events.Reset();

        SpineTargetGUID = 0;

        if (pInstance)
            pInstance->SetData(DATA_HIGHWARLORDNAJENTUSEVENT, NOT_STARTED);
    }

    void KilledUnit(Unit *victim)
    {
        DoScriptText(rand()%2 ? SAY_SLAY1 : SAY_SLAY2, m_creature);
        events.DelayEvents(5000, GCD_YELL);
    }

    void JustDied(Unit *victim)
    {
        if (pInstance)
            pInstance->SetData(DATA_HIGHWARLORDNAJENTUSEVENT, DONE);

        DoScriptText(SAY_DEATH, m_creature);
    }

    void SpellHit(Unit *caster, const SpellEntry *spell)
    {
        if (spell->Id == SPELL_HURL_SPINE && m_creature->HasAura(SPELL_TIDAL_SHIELD))
        {
            m_creature->RemoveAurasDueToSpell(SPELL_TIDAL_SHIELD);
            m_creature->CastSpell(m_creature, SPELL_TIDAL_BURST, true);
            ResetTimer();
        }
    }

    void EnterCombat(Unit *who)
    {
        if (pInstance)
            pInstance->SetData(DATA_HIGHWARLORDNAJENTUSEVENT, IN_PROGRESS);

        DoScriptText(SAY_AGGRO, m_creature);
        DoZoneInCombat();
        events.ScheduleEvent(EVENT_BERSERK, 480000, GCD_CAST);
        events.ScheduleEvent(EVENT_YELL, 45000 + (rand()%76)*1000, GCD_YELL);
        ResetTimer();
    }

    bool RemoveImpalingSpine()
    {
        if (!SpineTargetGUID) return false;
        Unit* target = Unit::GetUnit(*m_creature, SpineTargetGUID);
        if (target && target->HasAura(SPELL_IMPALING_SPINE))
            target->RemoveAurasDueToSpell(SPELL_IMPALING_SPINE);
        SpineTargetGUID=0;
        return true;
    }

    void ResetTimer(uint32 inc = 0)
    {
        events.RescheduleEvent(EVENT_NEEDLE, 10000 + inc, GCD_CAST);
        events.RescheduleEvent(EVENT_SPINE, 20000 + inc, GCD_CAST);
        events.RescheduleEvent(EVENT_SHIELD, 60000 + inc);
    }

    void UpdateAI(const uint32 diff)
    {
        if (!UpdateVictim())
            return;

        events.Update(diff);

        while(uint32 eventId = events.ExecuteEvent())
        {
            switch(eventId)
            {
                case EVENT_SHIELD:
                    m_creature->CastSpell(m_creature, SPELL_TIDAL_SHIELD, true);
                    ResetTimer(45000);
                    break;
                case EVENT_BERSERK:
                    DoScriptText(SAY_ENRAGE2, m_creature);
                    m_creature->CastSpell(m_creature, SPELL_BERSERK, true);
                    events.DelayEvents(15000, GCD_YELL);
                    break;
                case EVENT_SPINE:
                {
                    Unit* target = SelectUnit(SELECT_TARGET_RANDOM, 1);
                    if (!target) target = m_creature->getVictim();
                    if (target)
                    {
                        m_creature->CastSpell(target, SPELL_IMPALING_SPINE, true);
                        SpineTargetGUID = target->GetGUID();
                        //must let target summon, otherwise you cannot click the spine
                        target->SummonGameObject(GOBJECT_SPINE, target->GetPositionX(), target->GetPositionY(), target->GetPositionZ(), m_creature->GetOrientation(), 0, 0, 0, 0, 30);
                        DoScriptText(rand()%2 ? SAY_NEEDLE1 : SAY_NEEDLE2, m_creature);
                        events.DelayEvents(1500, GCD_CAST);
                        events.DelayEvents(15000, GCD_YELL);
                    }
                    events.ScheduleEvent(EVENT_SPINE, 21000, GCD_CAST);
                    return;
                }
                case EVENT_NEEDLE:
                {
                    //m_creature->CastSpell(m_creature, SPELL_NEEDLE_SPINE, true);
                    std::list<Unit*> target;
                    SelectTargetList(target, 3, SELECT_TARGET_RANDOM, 80, true);
                    for(std::list<Unit*>::iterator i = target.begin(); i != target.end(); ++i)
                        m_creature->CastSpell(*i, 39835, true);
                    events.ScheduleEvent(EVENT_NEEDLE, 15000+rand()%10000, GCD_CAST);
                    events.DelayEvents(1500, GCD_CAST);
                    return;
                }
                case EVENT_YELL:
                    DoScriptText(rand()%2 ? SAY_SPECIAL1 : SAY_SPECIAL2, m_creature);
                    events.ScheduleEvent(EVENT_YELL, 25000 + (rand()%76)*1000, GCD_YELL);
                    events.DelayEvents(15000, GCD_YELL);
                    break;
            }
        }

        DoMeleeAttackIfReady();
    }
};

bool GOHello_go_najentus_spine(Player* pPlayer, GameObject* pGo)
{
    if (ScriptedInstance* pInstance = pGo->GetInstanceData())
        if (Creature* Najentus = Unit::GetCreature(*pGo, pInstance->GetData64(DATA_HIGHWARLORDNAJENTUS)))
            if (CAST_AI(boss_najentusAI, Najentus->AI())->RemoveImpalingSpine())
            {
                pPlayer->CastSpell(pPlayer, SPELL_CREATE_NAJENTUS_SPINE, true);
                pGo->Delete();
            }
    return true;
}

CreatureAI* GetAI_boss_najentus(Creature* pCreature)
{
    return new boss_najentusAI (pCreature);
}

void AddSC_boss_najentus()
{
    Script *newscript;
    newscript = new Script;
    newscript->Name="boss_najentus";
    newscript->GetAI = &GetAI_boss_najentus;
    newscript->RegisterSelf();

    newscript = new Script;
    newscript->Name = "go_najentus_spine";
    newscript->pGOHello = &GOHello_go_najentus_spine;
    newscript->RegisterSelf();
}

