-- X-Perl UnitFrames
-- Author: Zek <Boodhoof-EU>
-- License: GNU GPL v3, 29 June 2007 (see LICENSE.txt)

if (not XPerl_RequestConfig) then
	return
end

local conf
XPerl_RequestConfig(function(new) conf = new.custom end, "$Revision: 368 $")

local ch = CreateFrame("Frame", "XPerl_Custom")
ch.active = {}
ch:RegisterEvent("PLAYER_ENTERING_WORLD")
ch:RegisterEvent("UNIT_AURA")
ch:RegisterEvent("ZONE_CHANGED_NEW_AREA")
ch:RegisterEvent("MINIMAP_ZONE_CHANGED")

ch.RaidFrameArray = XPerl_Raid_GetFrameArray()

-- ch:OnEvent(event, a, b, c)
function ch:OnEvent(event, a, b, c)
	self[event](self, a, b, c)
end

-- ch:AddDebuff
function ch:AddDebuff(debuffName)
	local zoneName = GetRealZoneText()
end

-- ch:AddDebuff
function ch:AddBuff(buffName)
	local zoneName = GetRealZoneText()
end

-- DefaultZoneData
function ch:DefaultZoneData()
	return {
		[XPERL_LOC_ZONE_SERPENTSHRINE_CAVERN] =
			{
				[38132] = true								-- Paralyze - Picked up Tainted Core
			},
		[XPERL_LOC_ZONE_BLACK_TEMPLE] =
			{
				[38132] = true,								-- Paralyze - Target of Illidan's Demons
				[40932] = true,								-- Agonizing Flames (Illidan)
				[41917] = true,								-- Parasitic Shadowfiend (Illidan)
				[46787] = true,								-- Fel Rage (Gurtogg Bloodboil)
				[39837] = true,								-- Impaling Spine (Najentus)
				[41001] = true,								-- Fatal Attraction (Mother Shahrazz)
				[40251] = true,								-- Shadow of Death (Terron Gorefiend)
				[43581] = true,								-- Deadly Poison (Illidari Council)
				[40585] = true,								-- Dark Barrage (Illidan)
			},
		[XPERL_LOC_ZONE_HYJAL_SUMMIT] =
			{
				[39941] = true,								-- Inferno
				[31347] = true,								-- Doom
			},
		[XPERL_LOC_ZONE_KARAZHAN] =
			{
				[34661] = true,								-- Sacrifice (Illhoof)
				[30753] = true,								-- Red Riding Hood (Big Bad Wolf)
			},
		[XPERL_LOC_ZONE_SUNWELL_PLATEAU] =
			{
				[45141] = true,								-- Burn (Brutallus)
				[45662] = true,								-- Encapsulate (Felmyst)
				[45855] = true,								-- Gas Nova (Felmyst)
				[45342] = true,								-- Conflagration (Grand Warlock Alythess)
				[45641] = true,								-- Fire Bloom (Kil'Jaeden)
			},
		[XPERL_LOC_ZONE_NAXXRAMAS] =
			{
				[55314] = true,								-- Strangulate (Trash)

				[28786] = true,								-- Locust Swarm (Anub'Rekhan)

				[28796] = true,								-- Poison Bolt Volley (Grand Widow Faerlina)
				[28794] = true,								-- Rain of Fire (Grand Widow Faerlina)

				[29213] = true,								-- Curse of the Plaguebringer (Noth the Plaguebringer)
				[29214] = true,								-- Wrath of the Plaguebringer (Noth the Plaguebringer)
				[29212] = true,								-- Cripple (Noth the Plaguebringer)

				[29998] = true,								-- Decrepit Fever (Heigan the Unclean)
				[29310] = true,								-- Spell Disruption (Heigan the Unclean)

				[28169] = true,								-- Mutating Injection (Grobbulus)

				[54378] = true,								-- Mortal Wound (Gluth)
				[29306] = true,								-- Infected Wound (Gluth)

				[55550] = true,								-- Jagged Knife (Instructor Razuvious)

				[28522] = true,								-- Icebolt (Sapphiron)
				[28542] = true,								-- Life Drain (Sapphiron)

				[28410] = true,								-- Chains of Kel'Thuzad (Kel'Thuzad)
				[27819] = true,								-- Detonate Mana (Kel'Thuzad)
				[27808] = true,								-- Frost Blast (Kel'Thuzad)

				[28622] = true,								-- Web Wrap (Maexxna)
				[54121] = true,								-- Necrotic Poison (Maexxna)
			},
		[XPERL_LOC_ZONE_OBSIDIAN_SANCTUM] =
			{
				[39647] = true,								-- Curse of Mending (Trash)
				[58936] = true,								-- Rain of Fire (Trash)

				[60708] = true,								-- Fade Armor (Sartharion)
				[57491] = true,								-- Flame Tsunami (Sartharion)
			},
		[XPERL_LOC_ZONE_EYE_OF_ETERNITY] =
			{
				[57407] = true,								-- Surge of Power (Malygos)
				[56272] = true,								-- Arcane Breath (Malygos)
			},
		[XPERL_LOC_ZONE_ULDUAR] =
			{
				[62928] = true,								-- Impale (Trash)
				[63612] = true,								-- Lightning Brand (Trash)
				[63615] = true,								-- Ravage Armor (Trash)
				[64705] = true,								-- Unquenchable Flames (Trash)

				[62589] = true,								-- Nature's Fury (Freya)
				[62532] = true,								-- Conservator's Grip (Freya)
				[62861] = true,								-- Iron Roots (Freya)

				[64544] = true,								-- Frozen Blows (Hodir)
				[62469] = true,								-- Freeze (Hodir)
				[61969] = true,								-- Flash Freeze (Hodir)
				[62188] = true,								-- Biting Cold (Hodir)

				[62548] = true,								-- Scorch (Ignis the Furnace Master)
				[62680] = true,								-- Flame Jet (Ignis the Furnace Master)
				[62717] = true,								-- Slag Pot (Ignis the Furnace Master)

				[64290] = true,								-- Stone Grip (Kologarn)
				[63355] = true,								-- Crunch Armor (Kologarn)
				[62055] = true,								-- Brittle Skin (Kologarn)

				[62042] = true,								-- Stormhammer (Thorim)
				[62130] = true,								-- Unbalancing Strike (Thorim)
				[62526] = true,								-- Rune Detonation (Thorim)
				[62470] = true,								-- Deafening Thunder (Thorim)
				[62331] = true,								-- Impale (Thorim)

				[63018] = true,								-- Light Bomb (XT-002 Deconstructor)
				[63024] = true,								-- Gravity Bomb (XT-002 Deconstructor)

				[61888] = true,								-- Overwhelming Power(The Assembly of Iron)
				[62269] = true,								-- Rune of Death (The Assembly of Iron)
				[61903] = true,								-- Fusion Punch (The Assembly of Iron)

				[63666] = true,								-- Napalm Shell (Mimiron)
				[62997] = true,								-- Plasma Blast (Mimiron)
				[64668] = true,								-- Magnetic Field (Mimiron)

				[63276] = true,								-- Mark of the Faceless (General Vezax)
				[63322] = true,								-- Saronite Vapors (General Vezax)

				[63830] = true,								-- Malady of the Mind (Yogg-Saron)
				[63802] = true,								-- Brain Link (Yogg-Saron)
				[63042] = true,								-- Dominate Mind (Yogg-Saron)
				[64156] = true,								-- Apathy (Yogg-Saron)
				[64153] = true,								-- Black Plague (Yogg-Saron)
				[64157] = true,								-- Curse of Doom (Yogg-Saron)
				[64152] = true,								-- Draining Poison (Yogg-Saron)
				[64125] = true,								-- Squeeze (Yogg-Saron)
			},
		[XPERL_LOC_ZONE_TRIAL_OF_THE_CRUSADER] =
			{
				[66237] = true,								-- Incinerate Flesh (Lord Jaraxxus)

				[67700] = true,								-- Penetrating Cold (Anub'arak)
				[65775] = true,								-- Acid-Drenched Mandibles (Anub'arak)
			},
		[XPERL_LOC_ZONE_ICECROWN_CITADEL] =
			{
				[72865] = true,								-- Death Plague (Trash)
				[70451] = true,								-- Blood Mirror (Trash)
				[70432] = true,								-- Blood Sap (Trash)
				[71154] = true,								-- Rend Flesh (Trash)
				[70645] = true,								-- Chains of Shadow (Trash)

				[69065] = true,								-- Impaled (Lord Marrowgars)

				[71289] = true,								-- Dominate Mind (Lady Deathwhisper)

				[72293] = true,								-- Mark of the Fallen Champion (Deathbringer Saurfang)
				[72438] = true,								-- Blood Nova (Deathbringer Saurfang)

				[73020] = true,								-- Vile Gas (Festergut/Heroic Rotface)
				[69674] = true,								-- Mutated Infection (Rotface)
				
				[70672] = true,								-- Gaseous Bloat (Professor Putricide)
				[70447] = true,								-- Volatile Ooze Adhesive (Professor Putricide)
				[72855] = true,								-- Unbound Plague (Professor Putricide)

				[71340] = true,								-- Pact of the Darkfallen (Blood Queen Lanathel)
				[71473] = true,								-- Essence of the Blood Queen (Blood Queen Lanathel)

				[71283] = true,								-- Gut Spray (Valithria Dreamwalker)
				[70751] = true,								-- Corrosion (Valithria Dreamwalker)

				[70126] = true,								-- Frost Beacon (Sindragosa)
				[69762] = true,								-- Unchained Magic (Sindragosa)

				[70337] = true,								-- Necrotic Plague (The Lich King)
				[70541] = true,								-- Infest (The Lich King)
				[69409] = true,								-- Soul Reaper (The Lich King)
				[68980] = true,								-- Harvest Soul (The Lich King)
			},
		[XPERL_LOC_ZONE_RUBY_SANCTUM] =
			{
				[74505] = true,								-- Enervating Brand (Baltharus)

				[74453] = true,								-- Flame Beacon (Saviana)
				[74456] = true,								-- Conflagration (Saviana)

				[74367] = true,								-- Cleave Armor (Zarithrian)

				[74792] = true,								-- Shadow Consumption (Halion)
				[74562] = true,								-- Fiery Combustion (Halion)
			},
		}
end

-- SetDefaultZoneData
function ch:SetDefaultZoneData()
	if (conf) then
		conf.zones = self:DefaultZoneData()
		self:PLAYER_ENTERING_WORLD()
	end
end

-- SetDefaultZoneData
function ch:SetDefaults()
	if (conf) then
		conf.alpha = 0.5
		conf.blend = "ADD"
		self:SetDefaultZoneData()
	end
end

-- ch:PLAYER_ENTERING_WORLD
function ch:PLAYER_ENTERING_WORLD()
	if (conf and conf.enable) then
		if (not conf.zones) then
			conf.zones = self:DefaultZoneData()
		end
		local zoneName = GetRealZoneText()
		self.zoneDataRaw = conf and conf.zones[zoneName]

		if (self.zoneDataRaw) then
			self.zoneData = {}
			for spellid in pairs(self.zoneDataRaw) do
				local spellName, rank, icon = GetSpellInfo(spellid)
				if (spellName) then
					self.zoneData[spellName] = icon
				end
			end
		else
			self.zoneData = nil
		end
	else
		self.zoneData = nil
	end
end

ch.ZONE_CHANGED_NEW_AREA = ch.PLAYER_ENTERING_WORLD
ch.MINIMAP_ZONE_CHANGED = ch.PLAYER_ENTERING_WORLD

-- UpdateRoster
function ch:UpdateUnits()
	for unit,frame in pairs(self.RaidFrameArray) do
		if (frame:IsShown()) then
			self:Check(frame, unit)
		end
	end
end

-- IconAcquire
function ch:IconAcquire()
	if (not self.icons) then
		self.icons = {}
	end
	if (not self.usedIcons) then
		self.usedIcons = {}
	end

	local icon = self.icons[1]
	if (not icon) then
		icon = CreateFrame("Frame", nil)
		icon:SetFrameStrata("MEDIUM")
		icon.tex = icon:CreateTexture(nil, "OVERLAY")
		icon.tex:SetTexCoord(0.06, 0.94, 0.06, 0.94)
		icon.tex:SetAllPoints(true)
		icon.tex:SetBlendMode(conf.blend or "ADD")
	else
		tremove(self.icons, 1)
	end

	self.usedIcons[icon] = true
	return icon
end

-- IconFree
function ch:IconFree(icon)
	icon:Hide()
	tinsert(self.icons, icon)
	self.usedIcons[icon] = nil
end

-- ch:Highlight
function ch:Highlight(frame, mode, unit, debuff, buffIcon)
	if (not self.active[frame]) then
		self.active[frame] = buffIcon
		local c = frame.customHighlight
		if (not c) then
			c = {}
			frame.customHighlight = c
		end
		c.type = mode
		local icon = self:IconAcquire()
		c.icon = icon

		icon:ClearAllPoints()
		icon:SetPoint("CENTER", frame, "CENTER")
		local size = frame:GetHeight() * frame:GetEffectiveScale()
		icon:SetWidth(size)
		icon:SetHeight(size)
		icon:SetAlpha(conf.alpha or 0.5)
		icon.tex:SetBlendMode(conf.blend or "ADD")

		icon.tex:SetTexture(buffIcon)
		icon:Show()
	end
end

-- Clear
function ch:Clear(frame)
	if (self.active[frame]) then
		self.active[frame] = nil
		local c = frame.customHighlight
		if (c) then
			self:IconFree(c.icon)
			c.icon = nil
		end
	end
end

-- Clear
function ch:ClearAll()
	for frame in pairs(self.usedIcons) do
		local icon = self.usedIcons[frame]
		self.usedIcons[frame] = true
		tinsert(self.icons, icon)
		self.active[frame] = nil
		icon:Hide()
	end
end

-- UNIT_AURA
function ch:UNIT_AURA(unit)
	local frame = XPerl_Raid_GetUnitFrameByUnit(unit)
	if (frame) then
		self:Check(frame, unit)
	end
end

-- ch:Check
function ch:Check(frame, unit)
	if (not conf.enable) then
		return
	end

	local z = self.zoneData
	if (z) then
		if (not unit) then
			unit = frame:GetAttribute("unit")
			if (not unit) then
				unit = SecureButton_GetUnit(frame)
				if (not unit) then
					return
				end
			end
		end

		for i = 1,40 do
			local name, rank, buffIcon = UnitDebuff(unit, i)
			if (not name) then
				break
			end
			if (z[name]) then
				self:Highlight(frame, "debuff", unit, name, buffIcon)
				return
			end
		end
	end

	self:Clear(frame)
end

if (not conf) then
	conf = {
		enable = true,
		zones = ch:DefaultZoneData(),
	}
end

ch:SetScript("OnEvent", ch.OnEvent)

ch:PLAYER_ENTERING_WORLD()