local E, L, V, P, G = unpack(ElvUI)
local DT = E:GetModule("DataTexts")

local format, join = string.format, string.join

local GetCombatRating = GetCombatRating
local GetCombatRatingBonus = GetCombatRatingBonus
local GetCritChance = GetCritChance
local GetRangedCritChance = GetRangedCritChance
local GetSpellCritChance = GetSpellCritChance
local COMBAT_RATING_NAME11 = COMBAT_RATING_NAME11
local CRIT_ABBR = L["Crit"]
local CR_CRIT_MELEE = CR_CRIT_MELEE
local CR_CRIT_MELEE_TOOLTIP = CR_CRIT_MELEE_TOOLTIP
local CR_CRIT_RANGED = CR_CRIT_RANGED
local CR_CRIT_RANGED_TOOLTIP = CR_CRIT_RANGED_TOOLTIP
local MELEE_CRIT_CHANCE = MELEE_CRIT_CHANCE
local PAPERDOLLFRAME_TOOLTIP_FORMAT = "%s"
local RANGED_CRIT_CHANCE = RANGED_CRIT_CHANCE
local SPELL_CRIT_CHANCE = SPELL_CRIT_CHANCE

local critRating
local displayModifierString = ""
local lastPanel

local function OnEvent(self)
	if E.Role == "Caster" then
		critRating = GetSpellCritChance(2)
	else
		if E.myclass == "HUNTER" then
			critRating = GetRangedCritChance()
		else
			critRating = GetCritChance()
		end
	end
	self.text:SetFormattedText(displayModifierString, CRIT_ABBR, critRating)

	lastPanel = self
end

local function OnEnter(self)
	DT:SetupTooltip(self)

	local text, tooltip
	if E.Role == "Caster" then
		text = format(PAPERDOLLFRAME_TOOLTIP_FORMAT, SPELL_CRIT_CHANCE).." "..format("%.2f%%", GetSpellCritChance(2))
		tooltip = format(PAPERDOLLFRAME_TOOLTIP_FORMAT, COMBAT_RATING_NAME11).." "..GetCombatRating(11)
	else
		if E.myclass == "HUNTER" then
			text = format(PAPERDOLLFRAME_TOOLTIP_FORMAT, RANGED_CRIT_CHANCE).." "..format("%.2f%%", GetRangedCritChance())
			tooltip = format(CR_CRIT_RANGED_TOOLTIP, GetCombatRating(CR_CRIT_RANGED), GetCombatRatingBonus(CR_CRIT_RANGED))
		else
			text = format(PAPERDOLLFRAME_TOOLTIP_FORMAT, MELEE_CRIT_CHANCE).." "..format("%.2f%%", GetCritChance())
			tooltip = format(CR_CRIT_MELEE_TOOLTIP, GetCombatRating(CR_CRIT_MELEE), GetCombatRatingBonus(CR_CRIT_MELEE))
		end
	end

	DT.tooltip:AddLine(text, 1, 1, 1)
	DT.tooltip:AddLine(tooltip, nil, nil, nil, true)
	DT.tooltip:Show()
end

local function ValueColorUpdate(hex)
	displayModifierString = join("", "%s: ", hex, "%.2f%%|r")

	if lastPanel ~= nil then
		OnEvent(lastPanel)
	end
end
E.valueColorUpdateFuncs[ValueColorUpdate] = true

DT:RegisterDatatext("Crit Chance", {"UNIT_STATS", "UNIT_AURA", "PLAYER_TALENT_UPDATE", "PLAYER_DAMAGE_DONE_MODS"}, OnEvent, nil, nil, OnEnter, nil, MELEE_CRIT_CHANCE)