/* 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_DRUIDS_SLUMBER                8040
#define SPELL_SERPENT_FORM                  8041
#define SPELL_HEALING_TOUCH                 5188
#define SPELL_WRATH                         5178

struct MANGOS_DLL_DECL npc_druid_of_the_fangAI : public ScriptedAI
{
    npc_druid_of_the_fangAI(Creature *c) : ScriptedAI(c) {EnterEvadeMode();}   
 
    uint32 SlumberTimer;
    uint32 SerpentTimer;
    uint32 HealingTimer;
	uint32 WrathTimer;
    bool InCombat;
 
    void EnterEvadeMode()
    {   
        m_creature->RemoveAllAuras();
        m_creature->DeleteThreatList();
        m_creature->CombatStop();
        DoGoHome();
        m_creature->ApplySpellImmune(0, IMMUNITY_EFFECT, SPELL_EFFECT_INTERRUPT_CAST, true);
 
        SlumberTimer = 5000;
        SerpentTimer = 5000;
        HealingTimer = 1000;
		WrathTimer = 10000;
        InCombat = false;
    }
 
    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)
    {
        if (!m_creature->SelectHostilTarget() || !m_creature->getVictim())
            return;
 
        if(SlumberTimer < diff)
        {    
            Unit* target = NULL;
            target = SelectUnit(SELECT_TARGET_RANDOM,1);
            if(target) 
            {
                DoCast(target,SPELL_DRUIDS_SLUMBER);
                SlumberTimer = 5000;
            }
        }else SlumberTimer -= diff;
 
        if (!m_creature->HasAura(SPELL_SERPENT_FORM,0) && SerpentTimer < diff)
        {
            DoCast(m_creature,SPELL_SERPENT_FORM);
            SerpentTimer = 20000;
		}else SerpentTimer -= diff;
 
        if (m_creature->HasAura(SPELL_SERPENT_FORM,0) && (m_creature->GetHealth()*100 / m_creature->GetMaxHealth() < 10))
        m_creature->RemoveAura(SPELL_SERPENT_FORM,0);
 
        if (!m_creature->HasAura(SPELL_SERPENT_FORM,0) && HealingTimer < diff && (m_creature->GetHealth()*100 / m_creature->GetMaxHealth() < 25))
        {
            DoCast(m_creature,SPELL_HEALING_TOUCH);
            HealingTimer = 1000;
        }else HealingTimer -= diff;
 
        if (!m_creature->HasAura(SPELL_SERPENT_FORM,0) && WrathTimer < diff)
        {
           DoCast(m_creature->getVictim(),SPELL_WRATH);
           WrathTimer = 10000;		 
        }else WrathTimer -= diff;

        DoMeleeAttackIfReady();
    }
};
 
CreatureAI* GetAI_npc_druid_of_the_fangAI(Creature *_Creature)
{
    return new npc_druid_of_the_fangAI (_Creature);
}
 
void AddSC_npc_Druid_of_the_Fang()
{
    Script *newscript;
    newscript = new Script;
    newscript->Name="npc_druid_of_the_fang";
    newscript->GetAI = GetAI_npc_druid_of_the_fangAI;
    m_scripts[nrscripts++] = newscript;
}