local npcId = 200000

function OnEnterCombat(event, creature, victim)
   creature:SendUnitYell("You are kidding... Right?", 0)
   creature:RegisterEvent(ShadowCleave, 7000, 0)
   creature:RegisterEvent(SpinToWin, 25000, 0)
   creature:RegisterEvent(VenomThrow, 20000, 0)
   creature:RegisterEvent(TeleportPlayerActivateObject, 10000, 0)
   creature:RegisterEvent(OnChangeState, 15000, 0)
   creature:RegisterEvent(OnCheckHealth, 1000, 0)
end

function OnCheckHealth(event, delay, pCall, creature)
    if (creature:GetHealthPct() <= 75) then
        creature:RemoveEventById(event)
        creature:SendUnitYell("You are kidding... Maybe?", 0)
        creature:RegisterEvent(ShadowCleave, 5000, 0)
        creature:RegisterEvent(VenomThrow, 10000, 0)
        creature:RegisterEvent(DeadlyThrow, 30000, 0)
        creature:RegisterEvent(TeleportPlayer, 30000, 0)
        creature:RegisterEvent(OnCheckHealth1, 1000, 0)
    end
end

function OnCheckHealth1(event, delay, pCall, creature)
    creature:RemoveEventById(event)
    local target = creature:GetAITarget(3, true)
    if (creature:GetHealthPct() <= 25) then
        creature:CastSpell(target, 40000)
    end
end


function ShadowCleave(event, delay, pCall, creature)
    creature:CastSpell(creature:GetVictim(), 69492, true)
end

function SpinToWin(event, delay, pCall, creature)
    creature:CastSpell(creature:GetVictim(), 50228, true)
end

function VenomThrow(event, delay, pCall, creature)
    creature:CastSpell(creature:GetAITarget(0, true), 72334, true)
end

function TeleportPlayerActivateObject(event, delay, pCall, creature)
    local target = creature:GetAITarget(0, true)
    if (target ~= nil) then
        target:Teleport(36, -51, -819.77, 51.8, 1) -- MapId, X, Y, Z, O
        local go = target:GetNearestGameObject(186859, 50) -- GameObject Entry, Radius
        if (go ~= nil) then
            go:SetGoState(0)
            go:RegisterEvent(OnChangeState, 5000, 1) -- Only calls once
        end
    end
end

function OnChangeState(event, delay, pCall, gameobject)
    gameobject:SetGoState(1)
end



function DeadlyThrow(event, delay, pCall, creature)
    creature:CastSpell(creature:GetAITarget(0, true), 52885, true)
end

function OnLeaveCombat(event, creature)
    creature:RemoveEvents()
    creature:SendUnitYell("Bring a challenge next time!", 0)
    creature:CastSpell(creature, 23965, true)
end

function OnTargetDied(event, creature, victim)
    creature:SendUnitYell("Seems like you are the weakest link!", 0)
end

function OnDied(event, creature, killer)
    creature:RemoveEvents()
    creature:SendUnitYell("This is just the... Beginning!", 0)
end

RegisterCreatureEvent(npcId, 1, OnEnterCombat)
RegisterCreatureEvent(npcId, 2, OnLeaveCombat)
RegisterCreatureEvent(npcId, 3, OnTargetDied)
RegisterCreatureEvent(npcId, 4, OnDied)