local mod	= DBM:NewMod("HyjalWaveTimers", "DBM-Hyjal", 1)
local L		= mod:GetLocalizedStrings()

mod:SetRevision(("$Revision: 1 $"):sub(12, -3))

mod:RegisterEvents(
	"UPDATE_WORLD_STATES",
	"GOSSIP_SHOW",
	"QUEST_PROGRESS",
	"UNIT_DIED",
	"SPELL_AURA_APPLIED"
)

local warnWave			= mod:NewAnnounce("WarnWaveSoon")
local warnWave			= mod:NewAnnounce("WarnWave")
local warnCannibalize	= mod:NewSpellAnnounce(31538)

local timerWave	= mod:NewTimer(125, "TimerWave")

mod:AddBoolOption("DetailedWave")
mod:RemoveOption("HealthFrame")

local lastWave = 0
local boss = 0
local bossNames = {
	[1] = L.RageWinterchill,
	[2] = L.Anetheron,
	[3] = L.Kazrogal,
	[4] = L.Azgalor
}

mod.GOSSIP_SHOW = mod.QUEST_PROGRESS
function mod:QUEST_PROGRESS()
	if not GetRealZoneText() == L.HyjalZoneName then return end
	local target = UnitName("target")
	if target == L.Thrall or target == L.Jaina then
		local selection = GetGossipOptions()
		if selection == L.RageGossip then
			self:SendSync("boss", 1)
		elseif selection == L.AnetheronGossip then
			self:SendSync("boss", 2)
		elseif selection == L.KazrogalGossip then
			self:SendSync("boss", 3)
		elseif selection == L.AzgalorGossip then
			self:SendSync("boss", 4)
		end
	end
end

function mod:UPDATE_WORLD_STATES()
	local text = select(2, GetWorldStateUIInfo(0))
	if not text then return end
	local _,_,currentWave = text:find(L.WaveCheck)
	if not currentWave then
		currentWave = 0
	end
	self:SendSync("wave", currentWave)
end

function mod:OnSync(msg, arg)
	if msg == "boss" then
		boss = arg
	elseif msg == "wave" then
		waveFunction(arg)
	elseif msg == "reset" then
		lastWave = 0
	end
end

function mod:UNIT_DIED(args)
	local cid = self:GetCIDFromGUID(args.destGUID)
	if cid == 17852 or 17772 then
		self:SendSync("reset")
	elseif cid == 17767 then
		self:SendSync("boss", 2)
	elseif cid == 17808 then
		self:SendSync("boss", 3)
	elseif cid == 17888 then
		self:SendSync("boss", 4)
	end
end

function mod:SPELL_AURA_APPLIED(args)
	if args:IsSpellID(31538) then
		warnCannibalize:Show()
	end
end


function mod:waveFunction(currentWave)
	local timer = 0
	currentWave = tonumber(currentWave)
	lastWave = tonumber(lastWave)
	if currentWave > lastWave then
		if not self.Options.DetailedWave then
			warnWave:Show(L.WarnWave_0:format(currentWave))
		end
		if boss == 1 or boss == 2 then
			timer = 125
			if currentWave == 8 then
				timer = 140
			end
			if self.Options.DetailedWave and boss == 1 then
				if currentWave == 1 then
					warnWave:Show(L.WarnWave_1:format(currentWave, 10, L.Ghoul))
				elseif currentWave == 2 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 10, L.Ghoul, 2, L.Fiend))
				elseif currentWave == 3 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 6, L.Ghoul, 6 , L.Fiend))
				elseif currentWave == 4 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Ghoul, 4, L.Fiend, 2, L.Necromancer))
				elseif currentWave == 5 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 2, L.Ghoul, 6, L.Fiend, 4, L.Necromancer))
				elseif currentWave == 6 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 6, L.Ghoul, 6, L.Abomination))
				elseif currentWave == 7 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 4, L.Ghoul, 4, L.Abomination, 4, L.Necromancer))
				elseif currentWave == 8 then
					warnWave:Show(L.WarnWave_4:format(currentWave, 6, L.Ghoul, 4, L.Fiend, 2, L.Abomination, 2, L.Necromancer))
				end
			elseif self.Options.DetailedWave and boss == 2 then
				if currentWave == 1 then
					warnWave:Show(L.WarnWave_1:format(currentWave, 10, L.Ghoul))
				elseif currentWave == 2 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 8, L.Ghoul, 4, L.Abomination))
				elseif currentWave == 3 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 4, L.Ghoul, 4, L.Fiend, 4, L.Necromancer))
				elseif currentWave == 4 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Fiend, 4, L.Necromancer, 2, L.Banshee))
				elseif currentWave == 5 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Ghoul, 4, L.Banshee, 2, L.Necromancer))
				elseif currentWave == 6 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Ghoul, 2, L.Abomination, 4, L.Necromancer))
				elseif currentWave == 7 then
					warnWave:Show(L.WarnWave_4:format(currentWave, 2, L.Ghoul, 4, L.Fiend, 4, L.Abomination, 2, L.Banshee))
				elseif currentWave == 8 then
					warnWave:Show(L.WarnWave_5:format(currentWave, 3, L.Ghoul, 3, L.Fiend, 4, L.Abomination, 2, L.Necromancer, 2, L.Banshee))
				end
			end
		elseif boss == 3 or boss == 4 then
			timer = 135
			if currentWave == 2 or currentWave == 4 then
				timer = 165
			elseif currentWave == 3 then
				timer = 160;
			elseif currentWave == 7 then
				timer = 195;
			elseif currentWave == 8 then
				timer = 225;
			end
			if self.Options.DetailedWave and boss == 3 then
				if currentWave == 1 then
					warnWave:Show(L.WarnWave_4:format(currentWave, 4, L.Ghoul, 4, L.Abomination, 2, L.Necromancer, 2, L.Banshee)) 
				elseif currentWave == 2 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 4, L.Ghoul, 10, L.Gargoyle)) 
				elseif currentWave == 3 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Ghoul, 6, L.Fiend, 2, L.Necromancer))  
				elseif currentWave == 4 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Fiend, 2, L.Necromancer, 6, L.Gargoyle)) 
				elseif currentWave == 5 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 4, L.Ghoul, 6, L.Abomination, 4, L.Necromancer)) 
				elseif currentWave == 6 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 8, L.Gargoyle, 1, L.Wyrm)) 
				elseif currentWave == 7 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 6, L.Ghoul, 4, L.Abomination, 1, L.Wyrm)) 
				elseif currentWave == 8 then
					warnWave:Show(L.WarnWave_5:format(currentWave, 6, L.Ghoul, 2, L.Fiend, 4, L.Abomination, 2, L.Necromancer, 2, L.Banshee)) 
				end
			elseif self.Options.DetailedWave and boss == 4 then
				if currentWave == 1 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 6, L.Abomination, 6, L.Necromancer))
				elseif currentWave == 2 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 5, L.Ghoul, 8, L.Gargoyle, 1, L.Wyrm))
				elseif currentWave == 3 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 4, L.Ghoul, 8, L.Infernal))
				elseif currentWave == 4 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 8, L.Stalker, 6, L.Infernal))
				elseif currentWave == 5 then
					warnWave:Show(L.WarnWave_3:format(currentWave, 4, L.Abomination, 4, L.Necromancer, 6, L.Stalker))
				elseif currentWave == 6 then
					warnWave:Show(L.WarnWave_2:format(currentWave, 6, L.Necromancer, 6, L.Banshee))
				elseif currentWave == 7 then
					warnWave:Show(L.WarnWave_4:format(currentWave, 2, L.Ghoul, 2, L.Fiend, 2, L.Stalker, 8, L.Infernal))
				elseif currentWave == 8 then
					warnWave:Show(L.WarnWave_5:format(currentWave, 4, L.Abomination, 4, L.Fiend, 2, L.Necromancer, 4, L.Stalker, 2, L.Banshee))
				end
			end
		end
		timerWave:Start(timer)
		warnWaveSoon:Schedule(timer-10)
		lastWave = currentWave
	elseif lastWave > currentWave then
		if lastWave == 8 then
			warnWave:Show(bossNames[boss])
		end
		timerWave:Cancel()
		warnWaveSoon:Cancel()
		lastWave = curentWave
	end
end