local E, L, V, P, G = unpack(ElvUI);
local mPlugin = "mMediaTag"
local mMT = E:GetModule(mPlugin);
local DT = E:GetModule("DataTexts");
local addon, ns = ...

--Lua functions
local pairs = pairs
local format = format
local wipe = wipe
local select = select
local pi = math.pi

--WoW API / Variables
local _G = _G
local GetInventoryItemTexture = GetInventoryItemTexture
local GetInventoryItemLink = GetInventoryItemLink
local GetMoneyString = GetMoneyString
local GetInventoryItemDurability = GetInventoryItemDurability

--Variables
local mText = format("Dock %s", CHARACTER_BUTTON)
local mTextName = "mCharacter"
local displayString, lastPanel = ""
local DURABILITY = DURABILITY
local REPAIR_COST = REPAIR_COST
local tooltipString = '%d%%'
local totalDurability = 0
local invDurability = {}
local totalRepairCost
local r, g, b = nil
local slots = {
	[1] = _G.INVTYPE_HEAD,
	[3] = _G.INVTYPE_SHOULDER,
	[5] = _G.INVTYPE_CHEST,
	[6] = _G.INVTYPE_WAIST,
	[7] = _G.INVTYPE_LEGS,
	[8] = _G.INVTYPE_FEET,
	[9] = _G.INVTYPE_WRIST,
	[10] = _G.INVTYPE_HAND,
	[16] = _G.INVTYPE_WEAPONMAINHAND,
	[17] = _G.INVTYPE_WEAPONOFFHAND,
}

local function colorize(num)
	if num >= 0 then
		return .1, 1, .1
	else
		return E:ColorGradient(-(pi/num), 1, .1, .1, 1, 1, .1, .1, 1, .1)
	end
end


local function mCheckDurability()
	if totalDurability <= E.global.datatexts.settings.Durability.percThreshold then
		r, g, b = E:ColorGradient(totalDurability * .01, 1, .1, .1, 1, 1, .1, .1, 1, .1)
		return r, g, b, 1
	end
end

local function mDockCheckFrame()
	return ( CharacterFrame and CharacterFrame:IsShown() )
end

function mMT:CheckFrameCharacter(self)
	self.mIcon.isClicked = mDockCheckFrame()
	mMT:DockTimer(self)
	if mCheckDurability() then
		mMT:DockCustomColor(self, mCheckDurability())
		--self.mIcon:SetVertexColor(mCheckDurability())
	end
end

local function OnEnter(self)
	local nhc, hc, myth, mythp, other, titel, tip = mMT:mColorDatatext()
	self.mIcon.isClicked = mDockCheckFrame()
	mMT:mOnEnter(self)

	if E.db[mPlugin].mDock.tip.enable then
		local avg, avgEquipped, avgPvp = GetAverageItemLevel()
		DT.tooltip:AddLine(format("%s%s|r", titel, STAT_AVERAGE_ITEM_LEVEL))
		DT.tooltip:AddDoubleLine(STAT_AVERAGE_ITEM_LEVEL, format('%0.2f', avg), 1, 1, 1, .1, 1, .1)
		DT.tooltip:AddDoubleLine(GMSURVEYRATING3, format('%0.2f', avgEquipped), 1, 1, 1, colorize(avgEquipped - avg))
		DT.tooltip:AddDoubleLine(LFG_LIST_ITEM_LEVEL_INSTR_PVP_SHORT, format('%0.2f', avgPvp), 1, 1, 1, colorize(avgPvp - avg))
		DT.tooltip:AddLine(' ')
		DT.tooltip:AddLine(format("%s%s|r", titel, L["Durability"]))
		for slot, durability in pairs(invDurability) do
			DT.tooltip:AddDoubleLine(format('|T%s:14:14:0:0:64:64:4:60:4:60|t %s', GetInventoryItemTexture('player', slot), GetInventoryItemLink('player', slot)), format(tooltipString, durability), 1, 1, 1, E:ColorGradient(durability * 0.01, 1, .1, .1, 1, 1, .1, .1, 1, .1))
		end
		
		if totalRepairCost > 0 then
			DT.tooltip:AddLine(' ')
			DT.tooltip:AddDoubleLine(REPAIR_COST, GetMoneyString(totalRepairCost), .6, .8, 1, 1, 1, 1)
		end
		
		DT.tooltip:Show()
	end
end

local function OnEvent(self, event, ...)
	local Option = E.db[mPlugin].mDock.textures.character.option
	local Color = E.db[mPlugin].mDock.textures.character.color
	local IconText = nil

	self.mSettings = {
		Name = mTextName,
		IconTexture = E.db[mPlugin].mDock.textures.character.path,
		Notifications = false,
		Text = true,
		Spezial = false,
	}

	mMT:DockInitialisation(self)

	totalDurability = 100
	totalRepairCost = 0
	
	wipe(invDurability)
	
	for index in pairs(slots) do
		local currentDura, maxDura = GetInventoryItemDurability(index)
		if currentDura and maxDura > 0 then
			local perc = (currentDura/maxDura)*100
			invDurability[index] = perc
			
			if perc < totalDurability then
				totalDurability = perc
			end
			
			totalRepairCost = totalRepairCost + select(3, E.ScanTooltip:SetInventoryItem('player', index))
		end
	end

	if Option == "durability" then
		if Color == "default" then
			r, g, b = E:ColorGradient(totalDurability * .01, 1, .1, .1, 1, 1, .1, .1, 1, .1)
			displayString = strjoin("", E:RGBToHex(r, g, b), "%s|r")
		end
		IconText = mMT:round(totalDurability or 0) .. "%"
	elseif Option == "ilvl" then
		local avg, avgEquipped = GetAverageItemLevel()
		if Color == "default" then
			r, g, b = E:ColorGradient(mMT:round((avgEquipped/260)*100 or 0) * .01, 0, 1, .11, 0, .4, .8, .63, .18, .78)
			displayString = strjoin("", E:RGBToHex(r, g, b), "%s|r")
		end
		IconText = mMT:round(avgEquipped)
	else
		IconText = ""
	end
	
	if mCheckDurability() then
		E:Flash(self, 0.5, true)
		mMT:DockCustomColor(self, mCheckDurability())
	else
		E:StopFlash(self)
		mMT:DockNormalColor(self)
	end

	self.mIcon.TextA:SetFormattedText(displayString, IconText)
end

local function OnLeave(self)
	if E.db[mPlugin].mDock.tip.enable then
		DT.tooltip:Hide()
	end

	self.mIcon.isClicked = mDockCheckFrame()
	mMT:mOnLeave(self)
	
	if mCheckDurability() then
		mMT:DockCustomColor(self, mCheckDurability())
	end
end

local function OnClick(self)
	if mMT:CheckCombatLockdown() then
		mMT:mOnClick(self, "CheckFrameCharacter")
		if mCheckDurability() then
			mMT:DockCustomColor(self, mCheckDurability())
		end
		ToggleCharacter("PaperDollFrame")
	end
end

local function ValueColorUpdate(hex)
	displayString = strjoin("", hex, "%s|r")
	
	if lastPanel ~= nil then
		OnEvent(lastPanel, "ELVUI_COLOR_UPDATE")
	end
end
E.valueColorUpdateFuncs[ValueColorUpdate] = true

DT:RegisterDatatext(mTextName, "mDock", {'UPDATE_INVENTORY_DURABILITY', 'MERCHANT_SHOW', 'PLAYER_AVG_ITEM_LEVEL_UPDATE'}, OnEvent, nil, OnClick, OnEnter, OnLeave, mText, nil, ValueColorUpdate)