if select(6, GetAddOnInfo("PitBull4_" .. (debugstack():match("[o%.][d%.][u%.]les\\(.-)\\") or ""))) ~= "MISSING" then return end

local PitBull4 = _G.PitBull4
if not PitBull4 then
	error("PitBull4_HideBlizzard requires PitBull4")
end

local L = PitBull4.L

local PitBull4_HideBlizzard = PitBull4:NewModule("HideBlizzard")

PitBull4_HideBlizzard:SetModuleType("custom")
PitBull4_HideBlizzard:SetName(L["Hide Blizzard frames"])
PitBull4_HideBlizzard:SetDescription(L["Hide Blizzard frames that are no longer needed."])
PitBull4_HideBlizzard:SetDefaults({}, {
	player = true,
	party = true,
	target = true,
	focus = true,
	castbar = true,
	aura = false,
	runebar = true,
})

function PitBull4_HideBlizzard:OnEnable()
	self:UpdateFrames()
end

function PitBull4_HideBlizzard:OnDisable()
	self:UpdateFrames()
end

function PitBull4_HideBlizzard:OnProfileChanged()
	self:UpdateFrames()
end

local showers = {}
local hiders = {}
local currently_hidden = {}

function PitBull4_HideBlizzard:UpdateFrames()
	for name in pairs(showers) do
		if self:IsEnabled() and self.db.profile.global[name] then
			if not currently_hidden[name] then
				currently_hidden[name] = true
				hiders[name](self)
			end
		else
			if currently_hidden[name] then
				currently_hidden[name] = nil
				showers[name](self)
			end
		end
	end
end
PitBull4_HideBlizzard.UpdateFrames = PitBull4:OutOfCombatWrapper(PitBull4_HideBlizzard.UpdateFrames)

function hiders:player()
	PlayerFrame:UnregisterAllEvents()
	PlayerFrameHealthBar:UnregisterAllEvents()
	PlayerFrameManaBar:UnregisterAllEvents()
	PlayerFrame:Hide()

	-- Fake a vehicle event to keep the BuffFrame in sync with our player frame.
	PitBull4:UNIT_ENTERED_VEHICLE(nil, "player")
end

function showers:player()
	PlayerFrame:GetScript("OnLoad")(PlayerFrame)
	PlayerFrame:Show()
	-- Emulate some events to get the frame setup in a normal state.
	-- Blizzard doesn't do an update on show for the player frame since
	-- they never imagine it won't be shown.
	PlayerFrame:GetScript("OnEvent")(PlayerFrame, "PLAYER_ENTERING_WORLD")
	PlayerFrame:GetScript("OnEvent")(PlayerFrame, "PARTY_MEMBERS_CHANGED")

	-- Hack to trick PlayerFrame into doing the swap for the vehicle if necessary.
	-- As a side benefit we end up doing the animation so it's kinda cool.
	PlayerFrame.animFinished = true
	PlayerFrame.inSeat = true
	PlayerFrame.inSequence = true
	PlayerFrame_UpdateArt(PlayerFrame)
end

function hiders:party()
	for i = 1, 4 do
		local frame = _G["PartyMemberFrame"..i]
		frame:UnregisterAllEvents()
		frame:Hide()
		frame.Show = function() end
	end
	
	UIParent:UnregisterEvent("RAID_ROSTER_UPDATE")
end

function showers:party()
	for i = 1, 4 do
		local frame = _G["PartyMemberFrame"..i]
		frame.Show = nil
		frame:GetScript("OnLoad")(frame)
		frame:GetScript("OnEvent")(frame, "PARTY_MEMBERS_CHANGED")
		
		PartyMemberFrame_UpdateMember(frame)
	end
	
	UIParent:RegisterEvent("RAID_ROSTER_UPDATE")
end

function hiders:target()
	TargetFrame:UnregisterAllEvents()
	TargetFrame:Hide()

	ComboFrame:UnregisterAllEvents()
end

function showers:target()
	TargetFrame:GetScript("OnLoad")(TargetFrame)

	ComboFrame:GetScript("OnLoad")(ComboFrame)
end

function hiders:focus()
	FocusFrame:UnregisterAllEvents()
	FocusFrame:Hide()
end

function showers:focus()
	FocusFrame:GetScript("OnLoad")(FocusFrame)
	FocusFrame_Update(FocusFrame)
end

function hiders:castbar()
	CastingBarFrame:UnregisterAllEvents()
	PetCastingBarFrame:UnregisterAllEvents()
end

function showers:castbar()
	CastingBarFrame:GetScript("OnLoad")(CastingBarFrame)
	PetCastingBarFrame:GetScript("OnLoad")(PetCastingBarFrame)
end

function hiders:runebar()
	RuneFrame:Hide()
	RuneFrame:UnregisterAllEvents()
end

function showers:runebar()
	local _,class = UnitClass("player")
	if class == "DEATHKNIGHT" then
		RuneFrame:Show()
	end
	RuneFrame:GetScript("OnLoad")(RuneFrame)
	RuneFrame:GetScript("OnEvent")(RuneFrame, "PLAYER_ENTERING_WORLD")
end

function hiders:aura()
	BuffFrame:Hide()
	TemporaryEnchantFrame:Hide()
	BuffFrame:UnregisterAllEvents()
end

function showers:aura()
	BuffFrame:Show()
	TemporaryEnchantFrame:Show()
	BuffFrame:GetScript("OnLoad")(BuffFrame)

	BuffFrame_Update()
end

for k, v in pairs(hiders) do
	hiders[k] = PitBull4:OutOfCombatWrapper(v)
end
for k, v in pairs(showers) do
	showers[k] = PitBull4:OutOfCombatWrapper(v)
end

PitBull4_HideBlizzard:SetGlobalOptionsFunction(function(self)
	local function get(info)
		local id = info[#info]
		return self.db.profile.global[id]
	end
	local function set(info, value)
		local id = info[#info]
		self.db.profile.global[id] = value
		
		self:UpdateFrames()
	end
	local function hidden(info)
		return not self:IsEnabled()
	end
	return 'player', {
		type = 'toggle',
		name = L["Player"],
		desc = L["Hide the standard player frame."],
		get = get,
		set = set,
		hidden = hidden,	
	}, 'party', {
		type = 'toggle',
		name = L["Party"],
		desc = L["Hide the standard party frames."],
		get = get,
		set = set,
		hidden = hidden,	
	}, 'target', {
		type = 'toggle',
		name = L["Target"],
		desc = L["Hide the standard target frame."],
		get = get,
		set = set,
		hidden = hidden,	
	}, 'focus', {
		type = 'toggle',
		name = L["Focus"],
		desc = L["Hide the standard focus frame."],
		get = get,
		set = set,
		hidden = hidden,	
	}, 'castbar', {
		type = 'toggle',
		name = L["Cast bar"],
		desc = L["Hides the standard cast bar."],
		get = get,
		set = set,
		hidden = hidden,	
	}, 'aura', {
		type = 'toggle',
		name = L["Buffs/debuffs"],
		desc = L["Hides the standard buff/debuff frame in the top-right corner of the screen."],
		get = get,
		set = set,
		hidden = hidden,	
	}, 'runebar', {
		type = 'toggle',
		name = L["Rune bar"],
		desc = L["Hides the standard rune bar in the top-left corner of the screen."],
		get = get,
		set = set,
		hidden = hidden,	
	}
end)