local Gladius = _G.Gladius
if not Gladius then
	DEFAULT_CHAT_FRAME:AddMessage(format("Module %s requires Gladius", "DRTracker"))
end
local L = Gladius.L
local LSM

local DRData = LibStub("DRData-1.0")

-- global functions
local strfind = string.find
local pairs = pairs
local GetTime = GetTime
local UnitGUID = UnitGUID

local DRTracker = Gladius:NewModule("DRTracker", false, true, {
	drTrackerAttachTo = "ClassIcon",
	drTrackerAnchor = "TOPRIGHT",
	drTrackerRelativePoint = "TOPLEFT",
	drTrackerAdjustSize = true,
	drTrackerMargin = 5,
	drTrackerSize = 52,
	drTrackerOffsetX = 0,
	drTrackerOffsetY = -5,
	drTrackerFrameLevel = 2,
	drTrackerGloss = true,
	drTrackerGlossColor = { r = 1, g = 1, b = 1, a = 0.4 },
	drTrackerCooldown = false,
	drTrackerCooldownReverse = false,
	drFontSize = 18,
	drFontColor = { r = 0, g = 1, b = 0, a = 1 },
	drCategories = { },
})

function DRTracker:OnInitialize()
	-- init frames
	self.frame = { }
end


function DRTracker:OnEnable()
	self:RegisterEvent("COMBAT_LOG_EVENT_UNFILTERED")
	LSM = Gladius.LSM
	if (not self.frame) then
		self.frame = { }
	end 
end

function DRTracker:OnDisable()
	self:UnregisterAllEvents()
	for _, frame in pairs(self.frame) do
		frame:SetAlpha(0)
	end
end

function DRTracker:GetAttachTo()
	return Gladius.db.drTrackerAttachTo
end

function DRTracker:GetFrame(unit)
	return self.frame[unit]
end

function DRTracker:UpdateIcon(unit, drCat)
	local tracked = self.frame[unit].tracker[drCat]
	tracked:EnableMouse(false)
	tracked.reset = 0
	tracked:SetWidth(self.frame[unit]:GetHeight())
	tracked:SetHeight(self.frame[unit]:GetHeight())
	tracked:SetNormalTexture("Interface\\AddOns\\Gladius\\Images\\Gloss")
	tracked.texture = _G[tracked:GetName().."Icon"]
	tracked.normalTexture = _G[tracked:GetName().."NormalTexture"]
	tracked.cooldown = _G[tracked:GetName().."Cooldown"]
	-- cooldown
	if (Gladius.db.drTrackerCooldown) then
		tracked.cooldown:Show()
	else
		tracked.cooldown:Hide()
	end
	tracked.cooldown:SetReverse(Gladius.db.drTrackerCooldownReverse)
	Gladius:Call(Gladius.modules.Timer, "RegisterTimer", tracked, Gladius.db.drTrackerCooldown)
	tracked.text = tracked:CreateFontString(nil, "OVERLAY")
	tracked.text:SetDrawLayer("OVERLAY")
	tracked.text:SetJustifyH("RIGHT")
	tracked.text:SetPoint("BOTTOMRIGHT", tracked, -2, 0)
	tracked.text:SetFont(LSM:Fetch(LSM.MediaType.FONT, Gladius.db.globalFont), Gladius.db.drFontSize, "OUTLINE")
	tracked.text:SetTextColor(Gladius.db.drFontColor.r, Gladius.db.drFontColor.g, Gladius.db.drFontColor.b, Gladius.db.drFontColor.a)
	-- style action button
	tracked.normalTexture:SetHeight(self.frame[unit]:GetHeight() + self.frame[unit]:GetHeight() * 0.4)
	tracked.normalTexture:SetWidth(self.frame[unit]:GetWidth() + self.frame[unit]:GetWidth() * 0.4)
	tracked.normalTexture:ClearAllPoints()
	tracked.normalTexture:SetPoint("CENTER", 0, 0)
	tracked:SetNormalTexture("Interface\\AddOns\\Gladius\\Images\\Gloss")
	tracked.texture:ClearAllPoints()
	tracked.texture:SetPoint("TOPLEFT", tracked, "TOPLEFT")
	tracked.texture:SetPoint("BOTTOMRIGHT", tracked, "BOTTOMRIGHT")
	tracked.texture:SetTexCoord(0.07, 0.93, 0.07, 0.93)
	tracked.normalTexture:SetVertexColor(Gladius.db.trinketGlossColor.r, Gladius.db.trinketGlossColor.g, Gladius.db.trinketGlossColor.b, Gladius.db.trinketGloss and Gladius.db.trinketGlossColor.a or 0)
end

function DRTracker:DRFaded(unit, spellID)
	local drCat = DRData:GetSpellCategory(spellID)
	if (Gladius.db.drCategories[drCat] == false) then
		return
	end
	local drTexts = {
		[1] = { "\194\189", 0, 1, 0 },
		[0.5] = { "\194\188", 1, 0.65,0 },
		[0.25] = { "%", 1, 0, 0 },
		[0] = { "%", 1, 0, 0 },
	}
	if (not self.frame[unit].tracker[drCat]) then
		self.frame[unit].tracker[drCat] = CreateFrame("CheckButton", "Gladius" .. self.name .. "FrameCat" .. drCat .. unit, self.frame[unit], "ActionButtonTemplate")
		self:UpdateIcon(unit, drCat)
	end
	local tracked = self.frame[unit].tracker[drCat]
	tracked.active = true
	if (tracked and tracked.reset <= GetTime()) then
		tracked.diminished = 1
	else
		tracked.diminished = DRData:NextDR(tracked.diminished)
	end
	if (Gladius.test and tracked.diminished == 0) then
		tracked.diminished = 1
	end
	tracked.timeLeft = DRData:GetResetTime()
	tracked.reset = tracked.timeLeft + GetTime()
	local text, r, g, b = unpack(drTexts[tracked.diminished])
	tracked.text:SetText(text)
	tracked.text:SetTextColor(r,g,b)
	tracked.texture:SetTexture(GetSpellTexture(spellID))
	Gladius:Call(Gladius.modules.Timer, "SetTimer", tracked, tracked.timeLeft)
	tracked:SetScript("OnUpdate", function(f, elapsed)
		f.timeLeft = f.timeLeft - elapsed
		if (f.timeLeft <= 0) then
			if (Gladius.test) then
				return
			end
			f.active = false
			Gladius:Call(Gladius.modules.Timer, "HideTimer", f)
			-- position icons
			self:SortIcons(unit)
		end
	end)
	tracked:SetAlpha(1)
	self:SortIcons(unit)
end

function DRTracker:SortIcons(unit)
	local lastFrame = self.frame[unit]
	for cat, frame in pairs(self.frame[unit].tracker) do
		frame:ClearAllPoints()
		frame:SetAlpha(0)
		if (frame.active) then
			frame:SetPoint(Gladius.db.drTrackerAnchor, lastFrame, lastFrame == self.frame[unit] and Gladius.db.drTrackerAnchor or Gladius.db.drTrackerRelativePoint, strfind(Gladius.db.drTrackerAnchor,"LEFT") and Gladius.db.drTrackerMargin or - Gladius.db.drTrackerMargin, 0)
			lastFrame = frame
			frame:SetAlpha(1)
		end
	end
end

function DRTracker:COMBAT_LOG_EVENT_UNFILTERED(event, timestamp, eventType, hideCaster, sourceGUID, sourceName, sourceFlags, sourceRaidFlags, destGUID, destName, destFlags, destRaidFlags, spellID, spellName, spellSchool, auraType)
	local unit
	for u, _ in pairs(Gladius.buttons) do
		if (UnitGUID(u) == destGUID) then
			unit = u
		end
	end
	if (not unit) then
		return
	end
	-- Enemy had a debuff refreshed before it faded, so fade + gain it quickly
	if (eventType == "SPELL_AURA_REFRESH") then
		if (auraType == "DEBUFF" and DRData:GetSpellCategory(spellID)) then
			self:DRFaded(unit, spellID)
		end
	-- Buff or debuff faded from an enemy
	elseif (eventType == "SPELL_AURA_REMOVED") then
		if (auraType == "DEBUFF" and DRData:GetSpellCategory(spellID)) then
			self:DRFaded(unit, spellID)
		end
	end
end

function DRTracker:CreateFrame(unit)
	local button = Gladius.buttons[unit]
	if (not button) then
		return
	end
	-- create frame
	self.frame[unit] = CreateFrame("Frame", "Gladius" .. self.name .. "Frame" .. unit, button, "ActionButtonTemplate")
end

function DRTracker:Update(unit)
	-- create frame
	if (not self.frame[unit]) then
		self:CreateFrame(unit)
	end
	-- update frame
	self.frame[unit]:ClearAllPoints()
	-- anchor point 
	local parent = Gladius:GetParent(unit, Gladius.db.drTrackerAttachTo)
	self.frame[unit]:SetPoint(Gladius.db.drTrackerAnchor, parent, Gladius.db.drTrackerRelativePoint, Gladius.db.drTrackerOffsetX, Gladius.db.drTrackerOffsetY)
	-- frame level
	self.frame[unit]:SetFrameLevel(Gladius.db.drTrackerFrameLevel)
	if (Gladius.db.drTrackerAdjustSize) then
		if (self:GetAttachTo() == "Frame") then
			local height = false
			-- need to rethink that
			--[[for _, module in pairs(Gladius.modules) do
				if (module:GetAttachTo() == self.name) then
					height = false
				end
			end]]
			if (height) then
				self.frame[unit]:SetWidth(Gladius.buttons[unit].height)
				self.frame[unit]:SetHeight(Gladius.buttons[unit].height)
			else
				self.frame[unit]:SetWidth(Gladius.buttons[unit].frameHeight)
				self.frame[unit]:SetHeight(Gladius.buttons[unit].frameHeight)
			end
		else
			self.frame[unit]:SetWidth(Gladius:GetModule(self:GetAttachTo()).frame[unit]:GetHeight() or 1)
			self.frame[unit]:SetHeight(Gladius:GetModule(self:GetAttachTo()).frame[unit]:GetHeight() or 1)
		end
	else
		self.frame[unit]:SetWidth(Gladius.db.drTrackerSize)
		self.frame[unit]:SetHeight(Gladius.db.drTrackerSize)
	end
	-- update icons
	if (not self.frame[unit].tracker) then
		self.frame[unit].tracker = { }
	else
		for cat, frame in pairs(self.frame[unit].tracker) do
			frame:SetWidth(self.frame[unit]:GetHeight())
			frame:SetHeight(self.frame[unit]:GetHeight())
			frame.normalTexture:SetHeight(self.frame[unit]:GetHeight() + self.frame[unit]:GetHeight() * 0.4)
			frame.normalTexture:SetWidth(self.frame[unit]:GetWidth() + self.frame[unit]:GetWidth() * 0.4)
			self:UpdateIcon(unit, cat)
		end
		self:SortIcons(unit)
	end
	-- hide
	self.frame[unit]:SetAlpha(0)
end

function DRTracker:Show(unit)
	local testing = Gladius.test
	-- show frame
	self.frame[unit]:SetAlpha(1)
end

function DRTracker:Reset(unit)
	if (not self.frame[unit]) then
		return
	end
	-- hide icons
	for _, frame in pairs(self.frame[unit].tracker) do
		frame.active = false
		frame.diminished = 1
		Gladius:Call(Gladius.modules.Timer, "HideTimer", frame)
		frame:SetScript("OnUpdate", nil)
		frame:SetAlpha(0)
	end
	-- hide
	self.frame[unit]:SetAlpha(0)
end

function DRTracker:Test(unit)
	if (not self.frame[unit].tracker[DRData:GetSpellCategory(64058)] or self.frame[unit].tracker[DRData:GetSpellCategory(64058)].active == false) then
		self:DRFaded(unit, 64058)
		self:DRFaded(unit, 118)
		self:DRFaded(unit, 118)
	end
	if (not self.frame[unit].tracker[DRData:GetSpellCategory(33786)] or self.frame[unit].tracker[DRData:GetSpellCategory(33786)].active == false) then
		self:DRFaded(unit, 33786)
		self:DRFaded(unit, 33786)
		self:DRFaded(unit, 33786)
	end
end

function DRTracker:GetOptions()
	local t = {
		general = {
			type="group",
			name=L["General"],
			order=1,
			args = {
				widget = {
					type="group",
					name=L["Widget"],
					desc=L["Widget settings"],
					inline=true,
					order=1,
					args = {
						drTrackerMargin = {
							type="range",
							name=L["DRTracker Space"],
							desc=L["Space between the icons"],
							min=0, max=100, step=1,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							order=5,
						},
						sep = {
							type = "description",
							name="",
							width="full",
							order=7,
						},
						drTrackerCooldown = {
							type="toggle",
							name=L["DRTracker Cooldown Spiral"],
							desc=L["Display the cooldown spiral for important auras"],
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=10,
						},
						drTrackerCooldownReverse = {
							type="toggle",
							name=L["DRTracker Cooldown Reverse"],
							desc=L["Invert the dark/bright part of the cooldown spiral"],
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=15,
						},
						sep2 = {
							type = "description",
							name="",
							width="full",
							order=17,
						},
						drTrackerGloss = {
							type="toggle",
							name=L["DRTracker Gloss"],
							desc=L["Toggle gloss on the drTracker icon"],
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=25,
						},
						drTrackerGlossColor = {
							type="color",
							name=L["DRTracker Gloss Color"],
							desc=L["Color of the drTracker icon gloss"],
							get=function(info)
								return Gladius:GetColorOption(info)
							end,
							set=function(info, r, g, b, a)
								return Gladius:SetColorOption(info, r, g, b, a)
							end,
							hasAlpha=true,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=30,
						},
						sep3 = {
							type = "description",
							name="",
							width="full",
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=33,
						},
						drTrackerFrameLevel = {
							type="range",
							name=L["DRTracker Frame Level"],
							desc=L["Frame level of the drTracker"],
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							min=1, max=5, step=1,
							width="double",
							order=35,
						},
					},
				},
				size = {
					type="group",
					name=L["Size"],
					desc=L["Size settings"],
					inline=true,
					order=2,
					args = {
						drTrackerAdjustSize = {
							type="toggle",
							name=L["DRTracker Adjust Size"],
							desc=L["Adjust drTracker size to the frame size"],
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							order=5,
						},
						drTrackerSize = {
							type="range",
							name=L["DRTracker Size"],
							desc=L["Size of the drTracker"],
							min=10, max=100, step=1,
							disabled=function()
								return Gladius.dbi.profile.drTrackerAdjustSize or not Gladius.dbi.profile.modules[self.name]
							end,
							order=10,
						},
					},
				},
				font = {
					type="group",
					name=L["Font"],
					desc=L["Font settings"],
					inline=true,
					hidden=function()
						return not Gladius.db.advancedOptions
					end,
					order=3,
					args = {
						drFontColor = {
							type="color",
							name=L["DR Text Color"],
							desc=L["Text color of the DR text"],
							hasAlpha=true,
							get=function(info)
								return Gladius:GetColorOption(info)
							end,
							set=function(info, r, g, b, a)
								return Gladius:SetColorOption(info, r, g, b, a)
							end,
							disabled=function()
								return not Gladius.dbi.profile.castText or not Gladius.dbi.profile.modules[self.name]
							end,
							order=10,
						},
						drFontSize = {
							type="range",
							name=L["DR Text Size"],
							desc=L["Text size of the DR text"],
							min=1, max=20, step=1,
							disabled=function()
								return not Gladius.dbi.profile.castText or not Gladius.dbi.profile.modules[self.name]
							end,
							order=15,
						},
					},
				},
				position = {
					type="group",
					name=L["Position"],
					desc=L["Position settings"],
					inline=true,
					order=4,
					args = {
						drTrackerAttachTo = {
							type="select",
							name=L["DRTracker Attach To"],
							desc=L["Attach drTracker to the given frame"],
							values=function()
								return Gladius:GetModules(self.name)
							end,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							order=5,
						},
						drTrackerPosition = {
							type="select",
							name=L["DRTracker Position"],
							desc=L["Position of the class icon"],
							values={ ["LEFT"] = L["Left"], ["RIGHT"] = L["Right"] },
							get=function()
								return strfind(Gladius.db.drTrackerAnchor, "RIGHT") and "LEFT" or "RIGHT"
							end,
							set=function(info, value)
								if (value == "LEFT") then
									Gladius.db.drTrackerAnchor = "TOPRIGHT"
									Gladius.db.drTrackerRelativePoint = "TOPLEFT"
								else
									Gladius.db.drTrackerAnchor = "TOPLEFT"
									Gladius.db.drTrackerRelativePoint = "TOPRIGHT"
								end
								Gladius:UpdateFrame(info[1])
							end,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return Gladius.db.advancedOptions
							end,
							order=6,
						},
						sep = {
							type = "description",
							name="",
							width="full",
							order=7,
						},
						drTrackerAnchor = {
							type="select",
							name=L["DRTracker Anchor"],
							desc=L["Anchor of the drTracker"],
							values=function()
								return Gladius:GetPositions()
							end,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=10,
						},
						drTrackerRelativePoint = {
							type="select",
							name=L["DRTracker Relative Point"],
							desc=L["Relative point of the drTracker"],
							values=function()
								return Gladius:GetPositions()
							end,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							hidden=function()
								return not Gladius.db.advancedOptions
							end,
							order=15,
						},
						sep2 = {
							type = "description",
							name="",
							width="full",
							order=17,
						},
						drTrackerOffsetX = {
							type="range",
							name=L["DRTracker Offset X"],
							desc=L["X offset of the drTracker"],
							min=-100, max=100, step=1,
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							order=20,
						},
						drTrackerOffsetY = {
							type="range",
							name=L["DRTracker Offset Y"],
							desc=L["Y offset of the drTracker"],
							disabled=function()
								return not Gladius.dbi.profile.modules[self.name]
							end,
							min=-50, max=50, step=1,
							order=25,
						},
					},
				},
			},
		},
	}
	t.categories = {
		type="group",
		name=L["Categories"],
		order=2,
		args = {
			categories = {
				type="group",
				name=L["Categories"],
				desc=L["Category settings"],
				inline=true,
				order=1,
				args = { },
			},
		},
	}
	local index = 1
	for key, name in pairs(DRData.categoryNames) do
		t.categories.args.categories.args[key] = {
			type="toggle",
			name=name,
			get=function(info)
				if (Gladius.dbi.profile.drCategories[info[#info]] == nil) then
					return true
				else
					return Gladius.dbi.profile.drCategories[info[#info]]
				end
			end,
			set=function(info, value)
				Gladius.dbi.profile.drCategories[info[#info]] = value
			end,
			disabled=function()
				return not Gladius.dbi.profile.modules[self.name]
			end,
			order=index * 5,
		}
		index = index + 1
	end
	return t
end