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-- Module Declaration
--

local mod = BigWigs:NewBoss("Halfus Wyrmbreaker", "The Bastion of Twilight")
if not mod then return end
mod:RegisterEnableMob(44600)

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-- Locals
--

local stackWarn = nil

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-- Localization
--

local L = mod:NewLocale("enUS", true)
if L then
	L.paralysis_bar = "Next paralysis"

	L.strikes_message = "%2$dx Strikes on %1$s"
end
L = mod:GetLocale()

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-- Initialization
--

function mod:GetOptions() return {83908, 83603, 86169, "berserk", "bosskill"} end

function mod:OnBossEnable()
	self:Log("SPELL_CAST_START", "FuriousRoar", 86169, 86170, 86171, 83710)
	self:Log("SPELL_AURA_APPLIED", "Paralysis", 84030)
	self:Log("SPELL_AURA_APPLIED_DOSE", "MalevolentStrikes", 83908, 86158, 86157, 86159)

	--no CheckBossStatus here as event does not fire, GM confirms known issue
	self:RegisterEvent("PLAYER_REGEN_DISABLED", "CheckForEngage")
	self:RegisterEvent("PLAYER_REGEN_ENABLED", "CheckForWipe")

	self:Death("Win", 44600)
end

function mod:OnEngage(diff)
	stackWarn = diff > 2 and 5 or 10 -- 8% in heroic, 6% in normal, announce around 50-60% reduced healing
	self:Berserk(360)
end

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-- Event Handlers
--

function mod:FuriousRoar(_, spellId, _, _, spellName)
	self:Message(86169, spellName, "Important", spellId)
	self:Bar(86169, spellName, 25, spellId)
end

-- Slate Dragon: Stone Touch (83603), 35 sec internal cd, resulting in Paralysis, 12 sec stun
-- Next Stone Touch after 23 sec, hence delaying Furious Roar if less then 12 sec left
function mod:Paralysis(_, spellId, _, _, spellName)
	self:Message(83603, spellName, "Attention", spellId)
	self:Bar(83603, spellName, 12, spellId)
	self:Bar(83603, L["paralysis_bar"], 35, spellId)
end

function mod:MalevolentStrikes(player, spellId, _, _, spellName, stack)
	if stack > stackWarn then
		self:TargetMessage(83908, L["strikes_message"], player, "Urgent", spellId, "Info", stack)
	end
end