-- **             DBM Info Frame             **
-- **     http://www.deadlybossmods.com      **
-- ********************************************
--
-- This addon is written and copyrighted by:
--    * Paul Emmerich (Tandanu @ EU-Aegwynn) (DBM-Core)
--    * Martin Verges (Nitram @ EU-Azshara) (DBM-GUI)
--
-- The localizations are written by:
--    * enGB/enUS: Tandanu				http://www.deadlybossmods.com
--    * deDE: Tandanu					http://www.deadlybossmods.com
--    * zhCN: Diablohu					http://wow.gamespot.com.cn
--    * ruRU: BootWin					bootwin@gmail.com
--    * ruRU: Vampik					admin@vampik.ru
--    * zhTW: Hman						herman_c1@hotmail.com
--    * zhTW: Azael/kc10577				paul.poon.kw@gmail.com
--    * koKR: BlueNyx/nBlueWiz			bluenyx@gmail.com / everfinale@gmail.com
--    * esES: Snamor/1nn7erpLaY      	romanscat@hotmail.com
--
-- Special thanks to:
--    * Arta
--    * Omegal @ US-Kel'Thuzad (continuing mod support for 3.2+)
--    * Tennberg (a lot of fixes in the enGB/enUS localization)
--
--
-- The code of this addon is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. (see license.txt)
-- All included textures and sounds are copyrighted by their respective owners.
--
--
--  You are free:
--    * to Share ?to copy, distribute, display, and perform the work
--    * to Remix ?to make derivative works
--  Under the following conditions:
--    * Attribution. You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
--    * Noncommercial. You may not use this work for commercial purposes.
--    * Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
--
--
-- This file makes use of the following free (Creative Commons Sampling Plus 1.0) sounds:
--    * alarmclockbeeps.ogg by tedthetrumpet (http://www.freesound.org/usersViewSingle.php?id=177)
--    * blip_8.ogg by Corsica_S (http://www.freesound.org/usersViewSingle.php?id=7037)
--  The full of text of the license can be found in the file "Sounds\Creative Commons Sampling Plus 1.0.txt".

---------------
--  Globals  --
---------------
DBM.InfoFrame = {}

--------------
--  Locals  --
--------------
local infoFrame = DBM.InfoFrame
local frame
local createFrame
local onUpdate
local dropdownFrame
local initializeDropdown
local currentMapId
local maxlines = 5
local modLines = 5
local currentEvent
local headerText = "DBM Info Frame"	-- this is only used if DBM.InfoFrame:SetHeader(text) is not called before :Show()
local lines = {}
local sortMethod = 1--1 Default, 2 SortAsc, 3 GroupId
local sortedLines = {}
local icons = {}
local value = {}
local playerName = UnitName("player")

-------------------
-- Local Globals --
-------------------
--Entire InfoFrame is a looping onupdate function. All of these globals get used several times a second
local GetRaidTargetIndex = GetRaidTargetIndex
local UnitName = UnitName
local UnitHealth, UnitPower, UnitPowerMax = UnitHealth, UnitPower, UnitPowerMax
local UnitDebuff, UnitBuff = UnitDebuff, UnitBuff
local UnitIsDeadOrGhost, UnitThreatSituation = UnitIsDeadOrGhost, UnitThreatSituation
local UnitPosition = UnitPosition
local twipe = table.wipe
local select, tonumber = select, tonumber
local mfloor = math.floor
local getGroupId = DBM.GetGroupId
local betaCompat = false

-- for Phanx' Class Colors
local RAID_CLASS_COLORS = CUSTOM_CLASS_COLORS or RAID_CLASS_COLORS

---------------------
--  Dropdown Menu  --
---------------------
-- todo: this dropdown menu is somewhat ugly and unflexible....
do
	local function toggleLocked()
		DBM.Options.InfoFrameLocked = not DBM.Options.InfoFrameLocked
	end
	local function toggleShowSelf()
		DBM.Options.InfoFrameShowSelf = not DBM.Options.InfoFrameShowSelf
	end
	
	local function setLines(self, line)
		DBM.Options.InfoFrameLines = line
		if line ~= 0 then
			maxlines = line
		else
			maxlines = modLines or 5
		end
	end

	function initializeDropdown(dropdownFrame, level, menu)
		local info
		if level == 1 then
			info = UIDropDownMenu_CreateInfo()
			info.text = LOCK_FRAME
			if DBM.Options.InfoFrameLocked then
				info.checked = true
			end
			info.func = toggleLocked
			UIDropDownMenu_AddButton(info, 1)

			info = UIDropDownMenu_CreateInfo()
			info.keepShownOnClick = true
			info.text = DBM_CORE_INFOFRAME_SHOW_SELF
			if DBM.Options.InfoFrameShowSelf then
				info.checked = true
			end
			info.func = toggleShowSelf
			UIDropDownMenu_AddButton(info, 1)
			
			info = UIDropDownMenu_CreateInfo()
			info.text = DBM_CORE_INFOFRAME_SETLINES
			info.notCheckable = true
			info.hasArrow = true
			info.keepShownOnClick = true
			info.menuList = "lines"
			UIDropDownMenu_AddButton(info, 1)

			info = UIDropDownMenu_CreateInfo()
			info.text = HIDE
			info.notCheckable = true
			info.func = infoFrame.Hide
			info.arg1 = infoFrame
			UIDropDownMenu_AddButton(info, 1)
		elseif level == 2 then
			if menu == "lines" then
				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINESDEFAULT
				info.func = setLines
				info.arg1 = 0
				info.checked = (DBM.Options.InfoFrameLines == 0)
				UIDropDownMenu_AddButton(info, 2)

				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINES_TO:format(3)
				info.func = setLines
				info.arg1 = 3
				info.checked = (DBM.Options.InfoFrameLines == 3)
				UIDropDownMenu_AddButton(info, 2)

				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINES_TO:format(5)
				info.func = setLines
				info.arg1 = 5
				info.checked = (DBM.Options.InfoFrameLines == 5)
				UIDropDownMenu_AddButton(info, 2)
				
				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINES_TO:format(8)
				info.func = setLines
				info.arg1 = 8
				info.checked = (DBM.Options.InfoFrameLines == 8)
				UIDropDownMenu_AddButton(info, 2)
				
				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINES_TO:format(10)
				info.func = setLines
				info.arg1 = 10
				info.checked = (DBM.Options.InfoFrameLines == 10)
				UIDropDownMenu_AddButton(info, 2)
				
				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINES_TO:format(15)
				info.func = setLines
				info.arg1 = 15
				info.checked = (DBM.Options.InfoFrameLines == 15)
				UIDropDownMenu_AddButton(info, 2)
				
				info = UIDropDownMenu_CreateInfo()
				info.text = DBM_CORE_INFOFRAME_LINES_TO:format(20)
				info.func = setLines
				info.arg1 = 20
				info.checked = (DBM.Options.InfoFrameLines == 20)
				UIDropDownMenu_AddButton(info, 2)
			end
		end
	end
end


------------------------
--  Create the frame  --
------------------------
local frameBackdrop = {
	bgFile = "Interface\\DialogFrame\\UI-DialogBox-Background",
	tile = true,
	tileSize = 16,
	insets = { left = 2, right = 14, top = 2, bottom = 2 },
}

function createFrame()
	local elapsed = 0
	local frame = CreateFrame("GameTooltip", "DBMInfoFrame", UIParent, "GameTooltipTemplate")
	dropdownFrame = CreateFrame("Frame", "DBMInfoFrameDropdown", frame, "UIDropDownMenuTemplate")
	frame:SetFrameStrata("DIALOG")
	frame:SetBackdrop(frameBackdrop)
	frame:SetPoint(DBM.Options.InfoFramePoint, UIParent, DBM.Options.InfoFramePoint, DBM.Options.InfoFrameX, DBM.Options.InfoFrameY)
	frame:SetHeight(maxlines*12)
	frame:SetWidth(64)
	frame:EnableMouse(true)
	frame:SetToplevel(true)
	frame:SetMovable(1)
	GameTooltip_OnLoad(frame)
	frame:SetPadding(16, 0)
	frame:RegisterForDrag("LeftButton")
	frame:SetScript("OnDragStart", function(self)
		if not DBM.Options.InfoFrameLocked then
			self:StartMoving()
		end
	end)
	frame:SetScript("OnDragStop", function(self)
		self:StopMovingOrSizing()
		--ValidateFramePosition(self)
		local point, _, _, x, y = self:GetPoint(1)
		DBM.Options.InfoFrameX = x
		DBM.Options.InfoFrameY = y
		DBM.Options.InfoFramePoint = point
	end)
	frame:SetScript("OnEvent", function(self, event, ...)
		if infoFrame[event] then
			infoFrame[event](self, ...)
		end
	end)
	frame:SetScript("OnMouseDown", function(self, button)
		if button == "RightButton" then
			UIDropDownMenu_Initialize(dropdownFrame, initializeDropdown)
			ToggleDropDownMenu(1, nil, dropdownFrame, "cursor", 5, -10)
		end
	end)
	return frame
end


------------------------
--  Update functions  --
------------------------
local updateCallbacks = {}
local function sortFuncDesc(a, b) return lines[a] > lines[b] end
local function sortFuncAsc(a, b) return lines[a] < lines[b] end
local function namesortFuncAsc(a, b) return a < b end
local function sortGroupId(a, b) return getGroupId(DBM, a) < getGroupId(DBM, b) end
local function updateLines(preSorted)
	twipe(sortedLines)
	if preSorted then
		-- copy table as code from mod keeps around references this this and the "normal" table is wiped regularly
		for i, v in ipairs(preSorted) do
			sortedLines[i] = v
		end
	else
		for i in pairs(lines) do
			sortedLines[#sortedLines + 1] = i
		end
		if sortMethod == 3 then
			table.sort(sortedLines, sortGroupId)
		elseif sortMethod == 2 then
			table.sort(sortedLines, sortFuncAsc)
		else
			table.sort(sortedLines, sortFuncDesc)
		end
	end
	for i, v in ipairs(updateCallbacks) do
		v(sortedLines)
	end
end

local function updateNamesortLines()
	twipe(sortedLines)
	for i in pairs(lines) do
		sortedLines[#sortedLines + 1] = i
	end
	table.sort(sortedLines, namesortFuncAsc)
	for i, v in ipairs(updateCallbacks) do
		v(sortedLines)
	end
end

local function updateLinesCustomSort(sortFunc)
	twipe(sortedLines)
	for i in pairs(lines) do
		sortedLines[#sortedLines + 1] = i
	end
	table.sort(sortedLines, sortFunc)
	for i, v in ipairs(updateCallbacks) do
		v(sortedLines)
	end
end

local function updateIcons()
	twipe(icons)
	for uId in DBM:GetGroupMembers() do
		local icon = GetRaidTargetIndex(uId)
		local icon2 = GetRaidTargetIndex(uId.."target")
		if icon then
			icons[UnitName(uId)] = ("|TInterface\\TargetingFrame\\UI-RaidTargetingIcon_%d:0|t"):format(icon)
		end
		if icon2 then
			icons[UnitName(uId.."target")] = ("|TInterface\\TargetingFrame\\UI-RaidTargetingIcon_%d:0|t"):format(icon2)
		end
	end
	for i = 1, 5 do
		local icon = GetRaidTargetIndex("boss"..i)
		if icon then
			icons[UnitName("boss"..i)] = ("|TInterface\\TargetingFrame\\UI-RaidTargetingIcon_%d:0|t"):format(icon)
		end
	end
end

local function updateHealth()
	twipe(lines)
	local threshold = value[1]
	for uId in DBM:GetGroupMembers() do
		if UnitHealth(uId) < threshold and not UnitIsDeadOrGhost(uId) then
			lines[UnitName(uId)] = UnitHealth(uId) - threshold
		end
	end
	updateLines()
	updateIcons()
end

local function updatePlayerPower()
	twipe(lines)
	local threshold = value[1]
	local powerType = value[2]
	local spellFilter = value[3]--Passed as spell name already
	for uId in DBM:GetGroupMembers() do
		if spellFilter and UnitDebuff(uId, spellFilter) then
			--Do nothing
		else
			local maxPower = UnitPowerMax(uId, powerType)
			if maxPower ~= 0 and not UnitIsDeadOrGhost(uId) and UnitPower(uId, powerType) / UnitPowerMax(uId, powerType) * 100 >= threshold then
				lines[UnitName(uId)] = UnitPower(uId, powerType)
			end
		end
	end
	if DBM.Options.InfoFrameShowSelf and not lines[playerName] and UnitPower("player", powerType) > 0 then
		lines[playerName] = UnitPower("player", powerType)
	end
	updateLines()
	updateIcons()
end

local function updateEnemyPower()
	twipe(lines)
	local threshold = value[1]
	local powerType = value[2]
	for i = 1, 5 do
		local uId = "boss"..i
		if UnitExists(uId) then
			local currentPower, maxPower = UnitPower(uId, powerType), UnitPowerMax(uId, powerType)
			if maxPower == 0 then return end--Prevent division by 0
			if currentPower / maxPower * 100 >= threshold then
				lines[UnitName(uId)] = currentPower
			end
		end
	end
	updateLines()
	updateIcons()
end

local function updateEnemyAbsorb()
	twipe(lines)
	local spellName = value[1]
	local totalAbsorb = value[2]
	for i = 1, 5 do
		local uId = "boss"..i
		if UnitExists(uId) then
			local absorbAmount
			if spellName then--Get specific spell absorb
				if betaCompat then
					absorbAmount = select(16, UnitBuff(uId, spellName)) or select(16, UnitDebuff(uId, spellName))
				else
					absorbAmount = select(17, UnitBuff(uId, spellName)) or select(17, UnitDebuff(uId, spellName))
				end
			else--Get all of them
				absorbAmount = UnitGetTotalAbsorbs(uId)
			end
			if absorbAmount then
				local text
				if totalAbsorb then
					text = absorbAmount / totalAbsorb * 100
				else
					text = absorbAmount
				end
				lines[UnitName(uId)] = mfloor(text).."%"
			end
		end
	end
	updateLines()
	updateIcons()
end

local function updateAllAbsorb()
	twipe(lines)
	local spellName = value[1]
	local totalAbsorb = value[2]
	local totalAbsorb2 = value[3]
	for i = 1, 5 do
		local uId = "boss"..i
		if UnitExists(uId) then
			local absorbAmount
			if spellName then--Get specific spell absorb
				if betaCompat then
					absorbAmount = select(16, UnitBuff(uId, spellName)) or select(16, UnitDebuff(uId, spellName))
				else
					absorbAmount = select(17, UnitBuff(uId, spellName)) or select(17, UnitDebuff(uId, spellName))
				end
			else--Get all of them
				absorbAmount = UnitGetTotalAbsorbs(uId)
			end
			if absorbAmount then
				local text
				if totalAbsorb then
					text = absorbAmount / totalAbsorb * 100
				else
					text = absorbAmount
				end
				lines[UnitName(uId)] = mfloor(text).."%"
			end
		end
	end
	for uId in DBM:GetGroupMembers() do
		local absorbAmount
		if betaCompat then
			absorbAmount = select(16, UnitBuff(uId, spellName)) or select(16, UnitDebuff(uId, spellName))
		else
			absorbAmount = select(17, UnitBuff(uId, spellName)) or select(17, UnitDebuff(uId, spellName))
		end
		if absorbAmount then
			local text
			if totalAbsorb2 then
				text = absorbAmount / totalAbsorb2 * 100
			else
				text = absorbAmount
			end
			lines[UnitName(uId)] = mfloor(text).."%"
		end
	end
	updateLines()
	updateIcons()
end

local function updatePlayerAbsorb()
	twipe(lines)
	local spellName = value[1]
	local totalAbsorb = value[2]
	for uId in DBM:GetGroupMembers() do
		local absorbAmount
		if betaCompat then
			absorbAmount = select(16, UnitBuff(uId, spellName)) or select(16, UnitDebuff(uId, spellName))
		else
			absorbAmount = select(17, UnitBuff(uId, spellName)) or select(17, UnitDebuff(uId, spellName))
		end
		if absorbAmount then
			local text
			if totalAbsorb then
				text = absorbAmount / totalAbsorb * 100
			else
				text = absorbAmount
			end
			lines[UnitName(uId)] = mfloor(text).."%"
		end
	end
	updateLines()
	updateIcons()
end

--Buffs that are good to have, therefor bad not to have them.
local function updatePlayerBuffs()
	twipe(lines)
	local spellName = value[1]
	local tankIgnored = value[2]
	for uId in DBM:GetGroupMembers() do
		if tankIgnored and (UnitGroupRolesAssigned(uId) == "TANK" or GetPartyAssignment("MAINTANK", uId, 1)) then
		else
			if not UnitBuff(uId, spellName) and not UnitIsDeadOrGhost(uId) then
				lines[UnitName(uId)] = ""
			end
		end
	end
	updateLines()
	updateIcons()
end

--Debuffs that are good to have, therefor it's bad NOT to have them.
local function updateGoodPlayerDebuffs()
	twipe(lines)
	local spellName = value[1]
	local tankIgnored = value[2]
	for uId in DBM:GetGroupMembers() do
		if tankIgnored and (UnitGroupRolesAssigned(uId) == "TANK" or GetPartyAssignment("MAINTANK", uId, 1)) then
		else
			if not UnitDebuff(uId, spellName) and not UnitIsDeadOrGhost(uId) then
				lines[UnitName(uId)] = ""
			end
		end
	end
	updateLines()
	updateIcons()
end

--Debuffs that are bad to have, therefor it is bad to have them.
local function updateBadPlayerDebuffs()
	twipe(lines)
	local spellName = value[1]
	local tankIgnored = value[2]
	for uId in DBM:GetGroupMembers() do
		if tankIgnored and (UnitGroupRolesAssigned(uId) == "TANK" or GetPartyAssignment("MAINTANK", uId, 1)) then
		else
			if UnitDebuff(uId, spellName) and not UnitIsDeadOrGhost(uId) then
				lines[UnitName(uId)] = ""
			end
		end
	end
	updateLines()
	updateIcons()
end

--Debuffs with important durations that we track
local function updatePlayerDebuffRemaining()
	twipe(lines)
	local spellName = value[1]
	for uId in DBM:GetGroupMembers() do
		local expires
		if betaCompat then
			expires = select(6, UnitDebuff(uId, spellName))
		else
			expires = select(7, UnitDebuff(uId, spellName))
		end
		if expires then
			if expires == 0 then
				lines[UnitName(uId)] = 9000--Force sorting the unknowns under the ones we do know.
			else
				local debuffTime = expires - GetTime()
				lines[UnitName(uId)] = mfloor(debuffTime)
			end
		end
	end
	updateLines()
	updateIcons()
end

--Buffs with important durations that we track
local function updatePlayerBuffRemaining()
	twipe(lines)
	local spellName = value[1]
	for uId in DBM:GetGroupMembers() do
		local expires
		if betaCompat then
			expires = select(6, UnitBuff(uId, spellName))
		else
			expires = select(7, UnitBuff(uId, spellName))
		end
		if expires then
			if expires == 0 then
				lines[UnitName(uId)] = 9000--Force sorting the unknowns under the ones we do know.
			else
				local debuffTime = expires - GetTime()
				lines[UnitName(uId)] = mfloor(debuffTime)
			end
		end
	end
	updateLines()
	updateIcons()
end

--Duplicate of updateBadPlayerDebuffs
--needed when specific spellid must be checked because spellname for more than 1 spell
local function updateBadPlayerDebuffsBySpellID()
	twipe(lines)
	local spellName = value[1]
	local tankIgnored = value[2]
	for uId in DBM:GetGroupMembers() do
		if tankIgnored and (UnitGroupRolesAssigned(uId) == "TANK" or GetPartyAssignment("MAINTANK", uId, 1)) then
		else
			local spellId = betaCompat and select(10, UnitDebuff(uId, spellName)) or select(11, UnitDebuff(uId, spellName))
			if spellId == value[1] and not UnitIsDeadOrGhost(uId) then
				lines[UnitName(uId)] = ""
			end
		end
	end
	updateLines()
	updateIcons()
end

--Debuffs that are bad to have, but we want to show players who do NOT have them
local spiritofRedemption = GetSpellInfo(27827)
local function updateReverseBadPlayerDebuffs()
	twipe(lines)
	local spellName = value[1]
	local tankIgnored = value[2]
	for uId in DBM:GetGroupMembers() do
		if tankIgnored and (UnitGroupRolesAssigned(uId) == "TANK" or GetPartyAssignment("MAINTANK", uId, 1)) then
		else
			if not UnitDebuff(uId, spellName) and not UnitIsDeadOrGhost(uId) and not UnitDebuff(uId, spiritofRedemption) then--27827 Spirit of Redemption. This particular info frame wants to ignore this
				lines[UnitName(uId)] = ""
			end
		end
	end
	updateLines()
	updateIcons()
end

local function updatePlayerBuffStacks()
	twipe(lines)
	local spellName = value[1]
	for uId in DBM:GetGroupMembers() do
		if UnitBuff(uId, spellName) then
			local count
			if betaCompat then
				count = select(3, UnitBuff(uId, spellName))
			else
				count = select(4, UnitBuff(uId, spellName))
			end
			lines[UnitName(uId)] = count
		end
	end
	updateIcons()
	updateLines()
end

local function updatePlayerDebuffStacks()
	twipe(lines)
	local spellName = value[1]
	for uId in DBM:GetGroupMembers() do
		if UnitDebuff(uId, spellName) then
			local count
			if betaCompat then
				count = select(3, UnitDebuff(uId, spellName))
			else
				count = select(4, UnitDebuff(uId, spellName))
			end
			lines[UnitName(uId)] = count
		end
	end
	updateIcons()
	updateLines()
end

local function updatePlayerAggro()
	twipe(lines)
	local aggroType = value[1]
	local tankIgnored = value[2]
	for uId in DBM:GetGroupMembers() do
		if tankIgnored and (UnitGroupRolesAssigned(uId) == "TANK" or GetPartyAssignment("MAINTANK", uId, 1)) then
		else
			if UnitThreatSituation(uId) >= aggroType then
				lines[UnitName(uId)] = ""
			end
		end
	end
	updateLines()
	updateIcons()
end

local function updatePlayerTargets()
	twipe(lines)
	local cId = value[1]
	for uId, i in DBM:GetGroupMembers() do
		if DBM:GetUnitCreatureId(uId.."target") ~= cId and (UnitGroupRolesAssigned(uId) == "DAMAGER" or UnitGroupRolesAssigned(uId) == "NONE") then
			lines[UnitName(uId)] = ""
		end
	end
	updateLines()
	updateIcons()
end

local function updateByFunction()
	local func = value[1]
	local sortFunc = value[2]
	local useIcon = value[3]
	local presortedLines
	lines, presortedLines = func()
	if sortFunc then
		if type(sortFunc) == "function" then
			updateLinesCustomSort(sortFunc)
		else--Sort function is a bool/true
			updateLines()--regular update lines with regular sort code
		end
	else--Nil, or bool/false
		updateLines(presortedLines)--Update lines with sorting if provided by the custom function
	end
	if useIcon then
		updateIcons()
	end
end

local function updateTest()
	twipe(lines)
	lines["Alpha"] = 1
	lines["Beta"] = 10
	lines["Gamma"] = 25
	lines["Delta"] = 50
	lines["Epsilon"] = 100
	updateLines()
end

local events = {
	["health"] = updateHealth,
	["playerpower"] = updatePlayerPower,
	["enemypower"] = updateEnemyPower,
	["enemyabsorb"] = updateEnemyAbsorb,
	["allabsorb"] = updateAllAbsorb,
	["playerabsorb"] = updatePlayerAbsorb,
	["playerbuff"] = updatePlayerBuffs,
	["playergooddebuff"] = updateGoodPlayerDebuffs,
	["playerbaddebuff"] = updateBadPlayerDebuffs,
	["playerdebuffremaining"] = updatePlayerDebuffRemaining,
	["playerbuffremaining"] = updatePlayerBuffRemaining,
	["playerbaddebuffbyspellid"] = updateBadPlayerDebuffsBySpellID,
	["reverseplayerbaddebuff"] = updateReverseBadPlayerDebuffs,
	["playeraggro"] = updatePlayerAggro,
	["playerbuffstacks"] = updatePlayerBuffStacks,
	["playerdebuffstacks"] = updatePlayerDebuffStacks,
	["playertargets"] = updatePlayerTargets,
	["function"] = updateByFunction,
	["test"] = updateTest
}

----------------
--  OnUpdate  --
----------------
local friendlyEvents = {
	["health"] = true,
	["playerpower"] = true,
	["playerabsorb"] = true,
	["playerbuff"] = true,
	["playergooddebuff"] = true,
	["playerbaddebuff"] = true,
	["playerdebuffremaining"] = true,
	["playerbuffremaining"] = true,
	["playerbaddebuffbyspellid"] = true,
	["reverseplayerbaddebuff"] = true,
	["playeraggro"] = true,
	["playerbuffstacks"] = true,
	["playerdebuffstacks"] = true,
	["playertargets"] = true
}

function onUpdate(frame)
	if events[currentEvent] then
		events[currentEvent]()
	else
		if frame then
			frame:Hide()
			--error("DBM-InfoFrame: Unsupported event", 2)
		end
	end
	local color = NORMAL_FONT_COLOR
	frame:ClearLines()
	if headerText then
		frame:AddLine(headerText, 255, 255, 255, 0)
	end
	local linesShown = 0
	for i = 1, #sortedLines do
		if linesShown >= maxlines then
			break
		end
		local leftText = sortedLines[i]
		if not leftText then
			error("DBM InfoFrame: leftText cannot be nil, Notify DBM author. Infoframe force shutting down ", 2)
			frame:Hide()--Force close infoframe so it doesn't keep throwing 100s of errors onupdate. If leftText is broken the frame needs to be shut down
			return
		elseif leftText and type(leftText) ~= "string" then
			tostring(leftText)
			--error("DBM InfoFrame: leftText must be string, Notify DBM author. Infoframe force shutting down ", 2)
			--frame:Hide()--Force close infoframe so it doesn't keep throwing 100s of errors onupdate. If leftText is broken the frame needs to be shut down
			--return
		end
		local rightText = lines[leftText]
		local icon = icons[leftText] and icons[leftText]..leftText
		if friendlyEvents[currentEvent] then
			local unitId = DBM:GetRaidUnitId(DBM:GetUnitFullName(leftText)) or "player"--Prevent nil logical error
			if unitId and select(4, UnitPosition(unitId)) == currentMapId then
				local _, class = UnitClass(unitId)
				if class then
					color = RAID_CLASS_COLORS[class]
				end
				linesShown = linesShown + 1
				if leftText == playerName then--It's player.
					if currentEvent == "health" or currentEvent == "playerpower" or currentEvent == "playerabsorb" or currentEvent == "playerbuff" or currentEvent == "playergooddebuff" or currentEvent == "playerbaddebuff" or currentEvent == "playerdebuffremaining" or currentEvent == "playerbuffremaining" or currentEvent == "playerbaddebuffbyspellid" or currentEvent == "playertargets" or (currentEvent == "playeraggro" and value[1] == 3) then--Red
						frame:AddDoubleLine(icon or leftText, rightText, 255, 0, 0, 255, 255, 255)-- (leftText, rightText, left.R, left.G, left.B, right.R, right.G, right.B)
					else--Green
						frame:AddDoubleLine(icon or leftText, rightText, 0, 255, 0, 255, 255, 255)
					end
				else--It's not player, do nothing special with it. Ordinary class colored text.
					if currentEvent == "playerdebuffremaining" or currentEvent == "playerbuffremaining" then
						local numberValue = tonumber(rightText)
						if numberValue < 6 then
							frame:AddDoubleLine(icon or leftText, rightText, color.r, color.g, color.b, 255, 0, 0)--Red
						elseif numberValue < 11 then
							frame:AddDoubleLine(icon or leftText, rightText, color.r, color.g, color.b, 255, 127.5, 0)--Orange
						else
							if numberValue == 9000 then--the out of range players
								frame:AddDoubleLine(icon or leftText, SPELL_FAILED_OUT_OF_RANGE, color.r, color.g, color.b, 255, 0, 0)--Red
							else
								frame:AddDoubleLine(icon or leftText, rightText, color.r, color.g, color.b, 255, 255, 255)--White
							end
						end
					else
						frame:AddDoubleLine(icon or leftText, rightText, color.r, color.g, color.b, 255, 255, 255)
					end
				end
			end
		else
			local unitId = DBM:GetRaidUnitId(DBM:GetUnitFullName(leftText))
			if unitId then
				--Class color names in custom functions too, IF unitID exists
				local _, class = UnitClass(unitId)
				if class then
					color = RAID_CLASS_COLORS[class]
				end
			end
			linesShown = linesShown + 1
			frame:AddDoubleLine(icon or leftText, rightText, color.r, color.g, color.b, 255, 255, 255)
		end
	end
	frame:Show()
end

---------------
--  Methods  --
---------------
--Arg 1: spellName, health/powervalue, customfunction. Arg 2: TankIgnore, Powertype, SortFunction, totalAbsorb. Arg 3: SpellFilter, UseIcon. Arg 4: disable onUpdate
function infoFrame:Show(maxLines, event, ...)
	currentMapId = select(4, UnitPosition("player"))
	if DBM.Options.DontShowInfoFrame and (event or 0) ~= "test" then return end
	modLines = maxLines
	if DBM.Options.InfoFrameLines and DBM.Options.InfoFrameLines ~= 0 then
		maxlines = DBM.Options.InfoFrameLines
	else
		maxlines = maxLines or 5
	end
	currentEvent = event
	for i = 1, select("#", ...) do
		value[i] = select(i, ...)
	end
	frame = frame or createFrame()

	if event == "playerbuff" or event == "playerbaddebuff" or event == "playergooddebuff" then
		sortMethod = 3
	elseif event == "health" or event == "playerdebuffremaining" then
		sortMethod = 2	-- Sort lowest first
	elseif event == "playerdebuffstacks" and value[2] then
		if type(value[2]) == "number" then
			sortMethod = value[2]
		end
	else
		sortMethod = 1
	end
	
	--If spellId is given as value one, convert to spell name on show instead of in every onupdate
	--this also allows spell name to be given by mod, since value 1 verifies it's a number
	if type(value[1]) == "number" and event ~= "health" and event ~= "function" and event ~= "playertargets" and event ~= "playeraggro" and event ~= "playerpower" and event ~= "enemypower" and event ~= "test" then
		value[1] = DBM:GetSpellInfo(value[1])
	end

	if events[currentEvent] then
		events[currentEvent]()
	else
		error("DBM-InfoFrame: Unsupported event", 2)
		return
	end

	if not friendlyEvents[currentEvent] then
		twipe(icons)
	end
	frame:Show()
	frame:SetOwner(UIParent, "ANCHOR_PRESERVE")
	onUpdate(frame)
	if not frame.ticker and not value[4] then
		frame.ticker = C_Timer.NewTicker(0.5, function() onUpdate(frame) end)
	end
	local wowToc, testBuild, wowVersionString = DBM:GetTOC()
	if wowVersionString == "8.0.1" then
		betaCompat = true
	end
end

function infoFrame:RegisterCallback(cb)
	updateCallbacks[#updateCallbacks + 1] = cb
end

function infoFrame:Update(time)
	frame = frame or createFrame()
	if frame:IsShown() then
		if time then
			C_Timer.After(time, function() onUpdate(frame) end)
		else
			onUpdate(frame)
		end
	end
end

function infoFrame:Hide()
	twipe(lines)
	twipe(icons)
	twipe(sortedLines)
	twipe(updateCallbacks)
	headerText = "DBM Info Frame"
	twipe(value)
	if frame then
		if frame.ticker then
			frame.ticker:Cancel()
			frame.ticker = nil
		end
		frame:Hide()
	end
	currentEvent = nil
	sortMethod = 1
	betaCompat = false
end

function infoFrame:IsShown()
	return frame and frame:IsShown()
end

function infoFrame:SetHeader(text)
	if not text then return end
	headerText = text
end

function infoFrame:SetSortingAsc()
	sortMethod = 2
end

function infoFrame:SetSortingGroupId()
	sortMethod = 3
end
