/* Copyright (C) 2006,2007 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
*/

#include "../sc_defines.h"


#define SPELL_SLEEP                24777            
#define SPELL_NOXIOUSBREATH        24818
#define SPELL_TAILSWEEP            15847
//#define SPELL_MARKOFNATURE         25040   // Not working
#define SPELL_VOLATILEINFECTION    24928
#define SPELL_CORRUPTIONOFEARTH    24910



struct MANGOS_DLL_DECL boss_emerissAI : public ScriptedAI
{
    boss_emerissAI(Creature *c) : ScriptedAI(c) {EnterEvadeMode();}

    uint32 Sleep_Timer;
    uint32 NoxiousBreath_Timer;
    uint32 TailSweep_Timer;
    //uint32 MarkOfNature_Timer;
    uint32 VolatileInfection_Timer;
    uint32 CorruptionofEarth1_Timer;
    uint32 CorruptionofEarth2_Timer;
    uint32 CorruptionofEarth3_Timer;
    bool InCombat;

    void EnterEvadeMode()
    {       
        Sleep_Timer = 15000;
        NoxiousBreath_Timer = 8000;
        TailSweep_Timer = 4000;
        //MarkOfNature_Timer = 45000;
        VolatileInfection_Timer = 12000;
        CorruptionofEarth1_Timer = 0;
        CorruptionofEarth2_Timer = 0;
        CorruptionofEarth3_Timer = 0;
        InCombat = false;

        m_creature->RemoveAllAuras();
        m_creature->DeleteThreatList();
        m_creature->CombatStop();
        DoGoHome();
        m_creature->ApplySpellImmune(0, IMMUNITY_MECHANIC, MECHANIC_DISARM, true);
    }

    void AttackStart(Unit *who)
    {
        if (!who)
            return;

        if (who->isTargetableForAttack() && who!= m_creature)
        {
            //Begin melee attack if we are within range
            DoStartMeleeAttack(who);
            InCombat = true;
        }
    }

    void MoveInLineOfSight(Unit *who)
    {
        if (!who || m_creature->getVictim())
            return;

        if (who->isTargetableForAttack() && who->isInAccessablePlaceFor(m_creature) && m_creature->IsHostileTo(who))
        {
            float attackRadius = m_creature->GetAttackDistance(who);
            if (m_creature->IsWithinDistInMap(who, attackRadius) && m_creature->GetDistanceZ(who) <= CREATURE_Z_ATTACK_RANGE && m_creature->IsWithinLOSInMap(who))
            {
                if(who->HasStealthAura())
                    who->RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);

                DoStartMeleeAttack(who);
                InCombat = true;

            }
        }
    }

    void UpdateAI(const uint32 diff)
    {
        //Return since we have no target
        if (!m_creature->SelectHostilTarget() || !m_creature->getVictim())
            return;

        //Sleep_Timer
        if (Sleep_Timer < diff)
        {
            //Cast
            Unit* target = NULL;

            target = SelectUnit(SELECT_TARGET_RANDOM,0);
            if (target)DoCast(target,SPELL_SLEEP);

            //14 seconds
            Sleep_Timer = 14000;
        }else Sleep_Timer -= diff;

        //NoxiousBreath_Timer
        if (NoxiousBreath_Timer < diff)
        {
            //Cast
            DoCast(m_creature->getVictim(),SPELL_NOXIOUSBREATH);

            //20 seconds until we should cast this agian
            NoxiousBreath_Timer = 14000 + rand()%6000;
        }else NoxiousBreath_Timer -= diff;


        //Tailsweep every 2 seconds
        if (TailSweep_Timer < diff)
        {
            Unit* target = NULL;
            target = SelectUnit(SELECT_TARGET_RANDOM,0);                    
            //Only cast if we are behind
            if (!m_creature->HasInArc( M_PI, target))
                DoCast(target,SPELL_TAILSWEEP);
            TailSweep_Timer = 2000;
        }else TailSweep_Timer -= diff;


        //             //MarkOfNature_Timer
        //            if (MarkOfNature_Timer < diff)
        //             {
        //                 //Cast
        //                 DoCast(m_creature->getVictim(),SPELL_MARKOFNATURE);
        // 
        //                 //45 seconds until we should cast this agian
        //                 MarkOfNature_Timer = 45000;
        //             }else MarkOfNature_Timer -= diff;

        //VolatileInfection_Timer
        if (VolatileInfection_Timer < diff)
        {
            //Cast
            DoCast(m_creature->getVictim(),SPELL_VOLATILEINFECTION);

            //8 seconds until we should cast this agian
            VolatileInfection_Timer = 7000 + rand()%5000;
        }else VolatileInfection_Timer -= diff;


        //CorruptionofEarth_Timer
        if ( (int) (m_creature->GetHealth()*100 / m_creature->GetMaxHealth() +0.5) == 75)
        {
            if (CorruptionofEarth1_Timer < diff)
            {
                //Cast
                DoCast(m_creature->getVictim(),SPELL_CORRUPTIONOFEARTH);  


                //1 minutes for next one. Means not again with this health value
                CorruptionofEarth1_Timer = 60000;
            } else CorruptionofEarth1_Timer -= diff;
        }

        //CorruptionofEarth_Timer
        if ( (int) (m_creature->GetHealth()*100 / m_creature->GetMaxHealth() +0.5) == 50)
        {
            if (CorruptionofEarth2_Timer < diff)
            {
                //Cast
                DoCast(m_creature->getVictim(),SPELL_CORRUPTIONOFEARTH);  

                //1 minutes for next one. Means not again with this health value
                CorruptionofEarth2_Timer = 60000;
            } else CorruptionofEarth2_Timer -= diff;
        }

        //CorruptionofEarth_Timer
        if ( (int) (m_creature->GetHealth()*100 / m_creature->GetMaxHealth() +0.5) == 25)
        {
            if (CorruptionofEarth3_Timer < diff)
            {
                //Cast
                DoCast(m_creature->getVictim(),SPELL_CORRUPTIONOFEARTH);  

                //1 minutes for next one. Means not again with this health value
                CorruptionofEarth3_Timer = 60000;
            } else CorruptionofEarth3_Timer -= diff;
        }

        DoMeleeAttackIfReady();
    }
}; 
CreatureAI* GetAI_boss_emeriss(Creature *_Creature)
{
    return new boss_emerissAI (_Creature);
}


void AddSC_boss_emeriss()
{
    Script *newscript;
    newscript = new Script;
    newscript->Name="boss_emeriss";
    newscript->GetAI = GetAI_boss_emeriss;
    m_scripts[nrscripts++] = newscript;
}