local c=import("\046\046\047\097\115\115\105\103\110")local S=import("\046\046\047\116\121\112\101\075\101\121")local J=import("\046\046\047\102\117\110\099\116\105\111\110\115\047\116\121\112\101\111\102")local W=import("\046\047\085\068\105\109")local function q(c,S,J)return(1-J)*c+S*J end local B={}setmetatable(B,{__tostring=function()return"\085\068\105\109\050"end})local x={}function x.Lerp(J,c,S)return B.new(q(J.X.Scale,c.X.Scale,S),q(J.X.Offset,c.X.Offset,S),q(J.Y.Scale,c.Y.Scale,S),q(J.Y.Offset,c.Y.Offset,S))end local e={}e[S]="\085\068\105\109\050"function e.__index(S,c)local J=(getmetatable(S)).internal if J[c]~=nil then return J[c]end if x[c]~=nil then return x[c]end error(string.format("\037\115 \105\115 \110\111\116 \097 \118\097\108\105\100 \109\101\109\098\101\114 \111\102 \085\068\105\109\050",tostring(c)),2)end function e.__eq(S,c)return S.X==c.X and S.Y==c.Y end function e.__add(S,c)return B.new(S.X+c.X,S.Y+c.Y)end function B.new(...)if select("\035",...)==0 then return B.new(W.new(0,0),W.new(0,0))end if select("\035",...)==4 then local c,S,J,q=...if type(c)~="\110\117\109\098\101\114"or type(S)~="\110\117\109\098\101\114"or type(J)~="\110\117\109\098\101\114"or type(q)~="\110\117\109\098\101\114"then error("\085\068\105\109\050\046\110\101\119\040\120\083\099\097\108\101\044 \120\079\102\102\115\101\116\044 \121\083\099\097\108\101\044 \121\079\102\102\115\101\116\041 \116\097\107\101\115 \105\110 \052 \110\117\109\098\101\114\115",2)end return B.new(W.new(c,S),W.new(J,q))end local S,q=...if J(S)~="\085\068\105\109"or J(q)~="\085\068\105\109"then error("\085\068\105\109\050\046\110\101\119\040\120\068\105\109\044 \121\068\105\109\041 \116\097\107\101\115 \105\110 \050 \085\068\105\109\115",2)end local x={X=S;Y=q;Width=S;Height=q}local l=newproxy(true)c(getmetatable(l),e);(getmetatable(l)).internal=x return l end return B
local assign = import("../assign")
local typeKey = import("../typeKey")
local typeof = import("../functions/typeof")
local UDim = import("./UDim")

local function lerpNumber(a, b, alpha)
	return (1 - alpha) * a + b * alpha
end

local UDim2 = {}

setmetatable(UDim2, {
	__tostring = function()
		return "UDim2"
	end,
})

local prototype = {}

function prototype:Lerp(goal, alpha)
	return UDim2.new(
		lerpNumber(self.X.Scale, goal.X.Scale, alpha),
		lerpNumber(self.X.Offset, goal.X.Offset, alpha),
		lerpNumber(self.Y.Scale, goal.Y.Scale, alpha),
		lerpNumber(self.Y.Offset, goal.Y.Offset, alpha)
	)
end

local metatable = {}
metatable[typeKey] = "UDim2"

function metatable:__index(key)
	local internal = getmetatable(self).internal

	if internal[key] ~= nil then
		return internal[key]
	end

	if prototype[key] ~= nil then
		return prototype[key]
	end

	error(string.format("%s is not a valid member of UDim2", tostring(key)), 2)
end

function metatable:__eq(other)
	return self.X == other.X and self.Y == other.Y
end

function metatable:__add(other)
	return UDim2.new(self.X + other.X, self.Y + other.Y)
end

function UDim2.new(...)
	if select("#", ...) == 0 then
		return UDim2.new(
			UDim.new(0, 0),
			UDim.new(0, 0)
		)
	end

	if select("#", ...) == 4 then
		local xScale, xOffset, yScale, yOffset = ...
		if type(xScale) ~= "number" or type(xOffset) ~= "number" or
			type(yScale) ~= "number" or type(yOffset) ~= "number" then
			error("UDim2.new(xScale, xOffset, yScale, yOffset) takes in 4 numbers", 2)
		end

		return UDim2.new(
			UDim.new(xScale, xOffset),
			UDim.new(yScale, yOffset)
		)
	end

	local xDim, yDim = ...

	if typeof(xDim) ~= "UDim" or typeof(yDim) ~= "UDim" then
		error("UDim2.new(xDim, yDim) takes in 2 UDims", 2)
	end

	local internalInstance = {
		X = xDim,
		Y = yDim,
		Width = xDim,
		Height = yDim,
	}
	local instance = newproxy(true)

	assign(getmetatable(instance), metatable)
	getmetatable(instance).internal = internalInstance

	return instance
end

return UDim2
