/*
REWRITTEN BY XINEF
 */

#include "ScriptMgr.h"
#include "ScriptedCreature.h"
#include "arcatraz.h"

enum Say
{
    SAY_AGGRO                       = 0,
    SAY_SLAY                        = 1,
    SAY_SHADOW_NOVA                 = 2,
    SAY_DEATH                       = 3
};

enum Spells
{
    SPELL_VOID_ZONE                 = 36119,
    SPELL_SHADOW_NOVA               = 36127,
    SPELL_SEED_OF_CORRUPTION        = 36123
};

enum Events
{
    EVENT_VOID_ZONE                 = 1,
    EVENT_SHADOW_NOVA               = 2,
    EVENT_SEED_OF_CORRUPTION        = 3
};

class boss_zereketh_the_unbound : public CreatureScript
{
    public:
        boss_zereketh_the_unbound() : CreatureScript("boss_zereketh_the_unbound") { }

        struct boss_zereketh_the_unboundAI : public BossAI
        {
            boss_zereketh_the_unboundAI(Creature* creature) : BossAI(creature, DATA_ZEREKETH) { }


            void JustDied(Unit* /*killer*/)
            {
                _JustDied();
                Talk(SAY_DEATH);
            }

            void EnterCombat(Unit* /*who*/)
            {
                _EnterCombat();
                events.ScheduleEvent(EVENT_VOID_ZONE, 6000);
                events.ScheduleEvent(EVENT_SHADOW_NOVA, 10000);
                events.ScheduleEvent(EVENT_SEED_OF_CORRUPTION, 16000);
                Talk(SAY_AGGRO);
            }

            void KilledUnit(Unit* victim)
            {
                if (victim->GetTypeId() == TYPEID_PLAYER)
                    Talk(SAY_SLAY);
            }

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

                events.Update(diff);
                if (me->HasUnitState(UNIT_STATE_CASTING))
                    return;

                switch (events.ExecuteEvent())
                {
                    case EVENT_VOID_ZONE:
                        if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 60.0f, true))
                            me->CastSpell(target, SPELL_VOID_ZONE, false);
                        events.ScheduleEvent(EVENT_VOID_ZONE, 15000);
                        break;
                    case EVENT_SHADOW_NOVA:
                        me->CastSpell(me, SPELL_SHADOW_NOVA, false);
                        if (roll_chance_i(50))
                            Talk(SAY_SHADOW_NOVA);
                        events.ScheduleEvent(EVENT_SHADOW_NOVA, 12000);
                        break;
                    case EVENT_SEED_OF_CORRUPTION:
                        if (Unit* target = SelectTarget(SELECT_TARGET_RANDOM, 0, 30.0f, true))
                            me->CastSpell(target, SPELL_SEED_OF_CORRUPTION, false);
                        events.ScheduleEvent(EVENT_SEED_OF_CORRUPTION, 16000);
                        break;
                }

                DoMeleeAttackIfReady();
            }
        };

        CreatureAI* GetAI(Creature* creature) const
        {
            return new boss_zereketh_the_unboundAI(creature);
        }
};

void AddSC_boss_zereketh_the_unbound()
{
    new boss_zereketh_the_unbound();
}
