local K=require(script.Parent.Object)local M=require(script.Parent.t)local D=K:Extend("\076\111\103\103\101\114")local b=K:Enum("\076\111\103\086\101\114\098\111\115\105\116\121",{"\069\114\114\111\114\115","\087\097\114\110\105\110\103\115","\073\110\102\111","\086\101\114\098\111\115\101"})local a=K:Enum("\076\111\103\080\114\101\102\105\120",{"\078\111\110\101";"\083\099\114\105\112\116","\083\099\114\105\112\116\070\117\108\108\078\097\109\101"})local U="\123\040\091\037\100\037\119\058\037-\093\043\041\125"local Z=M.interface({prefix=M.optional(M.union(M.string,a.instance));verbosity=M.optional(b.instance),enableFormatting=M.optional(M.boolean),zeroBasedIndexing=M.optional(M.boolean);warningsWithStackTrace=M.optional(M.boolean)})D.Prefix=a D.Verbosity=b function D.constructor(M,K)K=K or{}assert(Z(K))M.prefix=K.prefix or a.Script M.verbosity=K.verbosity or b.Warnings M.zeroBasedIndexing=K.zeroBasedIndexing or false M.warningsWithStackTrace=K.warningsWithStackTrace or false local D if K.formatterEnabled~=nil then D=K.formatterEnabled else D=true end M.formatterEnabled=D end function D._getPrefix(K)local D=K.prefix local b=(getfenv(3)).script if D==a.ScriptFullName then return"\091"..(b:GetFullName().."\093")elseif D==a.Script then return"\091"..(b.Name.."\093")elseif M.string(D)then return"\091"..(D.."\093")else return""end end function D._parseVariable(a,K,D,b)local Z=M.tuple(M.string,M.union(M.string,M.number),M.any)assert(Z(K,D,b))local A=K:gsub(U,function(M)local a=M:match("\094"..(D.."\058\040\046-\041\036"))if M:match("\094"..(D.."\036"))then return tostring(b)elseif a then local M=a:match("\094\091\113\081\074\106\105\093\036")local U,Z=a:match("\094\040\037-\042\037\100\042\041\040\091\100\105\102\088\120\093\041\036")if M then if M:lower()=="\113"then return"\""..(tostring(b).."\"")elseif M:lower()=="\106"then return(game:GetService("\072\116\116\112\083\101\114\118\105\099\101")):JSONEncode(b)elseif M=="\105"then return string.format("\037\100",b)end elseif Z then if Z=="\105"then local K=tonumber(U)local M=tonumber(b)if K==1 then M=math.floor(M+.5)elseif K==-1 then M=math.ceil(M-.5)end return tostring(M)end local K=U~=""and U or"\049"local M=Z local D="\037\046"if Z=="\100"then D="\037\048"M="\100"end local a=string.format(D..(K..M),tonumber(b)or 0)return a else error(("\073\110\118\097\108\105\100 \102\111\114\109\097\116\116\101\114 \097\116 \105\110\100\101\120 \037\115\058 \037\115"):format(type(D)=="\110\117\109\098\101\114"and"\035"..tostring(D)or"\096"..(tostring(D).."\096"),K))end end end)return A end local A=M.tuple(M.string,M.array(M.any))function D.Format(M,K,...)local D=M.zeroBasedIndexing local b={...}assert(A(K,b))if M.formatterEnabled then for b,a in next,b do K=M:_parseVariable(K,D and b-1 or b,a)end K:gsub(U,function(M)error(("\073\110\118\097\108\105\100 \102\111\114\109\097\116\116\101\114 \105\100 \037\115\058 \037\115"):format(M:match("\037\100\043")and"\035"..tostring(M)or"\096"..(tostring(M).."\096"),K))end)end return K end local m=M.tuple(M.string,M.keys(M.string))function D.FormatTable(D,K,M)assert(m(K,M))if D.formatterEnabled then for M,b in next,M do K=D:_parseVariable(K,M,b)end K:gsub("\123\040\046-\041\125",function(M)error(("\073\110\118\097\108\105\100 \102\111\114\109\097\116\116\101\114 \105\100 \037\115\058 \037\115"):format(M:match("\037\100\043")and"\035"..tostring(M)or"\096"..(tostring(M).."\096"),K))end)end return K end function D.Info(M,K,...)if M.verbosity.Value<3 then return end local D=("\037\115 \037\115"):format(M:_getPrefix(),M:Format(K,...))print(D)return D end function D.Warn(M,K,...)if M.verbosity.Value<2 then return end local D={...}if#D>0 then warn(M:_getPrefix(),M:Format(K,...))if M.warningsWithStackTrace then warn(debug.traceback(nil,2))end else warn(M:_getPrefix(),K)if M.warningsWithStackTrace then warn(debug.traceback(nil,2))end end end function D.AssertTrue(D,K,M,...)if not K then error(D:getPrefix()..(" "..D:Format(M,...)),2)else return K end end function D.AssertNotNil(D,K,M,...)if K==nil then error(D:getPrefix()..(" "..D:Format(M,...)),2)else return K end end function D.Error(M,K,...)error(M:getPrefix()..(" "..M:Format(K,...)),2)end local k=game:GetService("\082\117\110\083\101\114\118\105\099\101")local y=k:IsStudio()and D.new({prefix=a.ScriptFullName,verbosity=b.Verbose,warningsWithStackTrace=true})or D.new()return setmetatable({new=D.new;Default=y},{__index=y;__newindex=function(K,M,b)assert(D:Is(b),"\079\110\108\121 \116\121\112\101 \096\076\111\103\103\101\114\096 \099\097\110 \098\101 \097\115\115\105\103\110\101\100 \097\115 \097 \109\101\109\098\101\114 \111\102 \076\111\103\103\101\114\046")rawset(K,M,b)end})
local Object = require(script.Parent.Object)
local t = require(script.Parent.t)
local Logger = Object:Extend("Logger")

local LogVerbosity = Object:Enum("LogVerbosity", {"Errors", "Warnings", "Info", "Verbose"})
local LogPrefix = Object:Enum("LogPrefix", {"None", "Script", "ScriptFullName"})

local TOKEN = "{([%d%w:%-]+)}"

local loggerConstructorArgs =
	t.interface(
	{
		prefix = t.optional(t.union(t.string, LogPrefix.instance)),
		verbosity = t.optional(LogVerbosity.instance),
		enableFormatting = t.optional(t.boolean),
		zeroBasedIndexing = t.optional(t.boolean),
		warningsWithStackTrace = t.optional(t.boolean)
	}
)

Logger.Prefix = LogPrefix
Logger.Verbosity = LogVerbosity

function Logger:constructor(options)
	options = options or {}

	assert(loggerConstructorArgs(options))
	self.prefix = options.prefix or LogPrefix.Script
	self.verbosity = options.verbosity or LogVerbosity.Warnings
	self.zeroBasedIndexing = options.zeroBasedIndexing or false
	self.warningsWithStackTrace = options.warningsWithStackTrace or false

	local formatterEnabled
	if (options.formatterEnabled ~= nil) then
		formatterEnabled = options.formatterEnabled
	else
		formatterEnabled = true
	end
	self.formatterEnabled = formatterEnabled
end

function Logger:_getPrefix()
	local prefix = self.prefix
	local caller = getfenv(3).script
	if prefix == LogPrefix.ScriptFullName then
		return "[" .. caller:GetFullName() .. "]"
	elseif prefix == LogPrefix.Script then
		return "[" .. caller.Name .. "]"
	elseif t.string(prefix) then
		return "[" .. prefix .. "]"
	else
		return ""
	end
end

function Logger:_parseVariable(source, variable, value)
	local _parseVariableArg = t.tuple(t.string, t.union(t.string, t.number), t.any)
	assert(_parseVariableArg(source, variable, value))
	local newSource =
		source:gsub(
		TOKEN,
		function(argl)
			local formatter = argl:match("^" .. variable .. ":(.-)$")
			if (argl:match("^" .. variable .. "$")) then
				return tostring(value)
			elseif (formatter) then
				local basicFormat = formatter:match("^[qQJji]$")
				local numericValue, numericFormat = formatter:match("^(%-*%d*)([difXx])$")
				-- Quote mode
				if (basicFormat) then
					if (basicFormat:lower() == "q") then
						return '"' .. tostring(value) .. '"'
					elseif (basicFormat:lower() == "j") then
						return game:GetService("HttpService"):JSONEncode(value)
					elseif (basicFormat == "i") then
						return string.format("%d", value)
					end
				elseif (numericFormat) then
					if numericFormat == "i" then
						local modifier = tonumber(numericValue)
						local num = tonumber(value)
						if (modifier == 1) then
							num = math.floor(num + 0.5)
						elseif (modifier == -1) then
							num = math.ceil(num - 0.5)
						end

						return tostring(num)
					end

					local mid = (numericValue ~= "" and numericValue or "1")
					local suffix = numericFormat
					local prefix = "%."

					if (numericFormat == "d") then
						prefix = "%0"
						suffix = "d"
					end

					local computedValue = string.format(prefix .. mid .. suffix, tonumber(value) or 0)
					return computedValue
				else
					error(
						("Invalid formatter at index %s: %s"):format(
							(type(variable) == "number" and "#" .. tostring(variable) or "`" .. tostring(variable) .. "`"),
							source
						)
					)
				end
			end
		end
	)

	return newSource
end

local FORMAT_TYPES = t.tuple(t.string, t.array(t.any))
function Logger:Format(formatString, ...)
	local zeroBased = self.zeroBasedIndexing
	local args = {...}
	assert(FORMAT_TYPES(formatString, args))

	if self.formatterEnabled then
		for index, arg in next, args do
			formatString = self:_parseVariable(formatString, zeroBased and index - 1 or index, arg)
		end

		formatString:gsub(
			TOKEN,
			function(value)
				error(
					("Invalid formatter id %s: %s"):format(
						(value:match("%d+") and "#" .. tostring(value) or "`" .. tostring(value) .. "`"),
						formatString
					)
				)
			end
		)
	end

	return formatString
end

local FORMAT_TABLE_TYPES = t.tuple(t.string, t.keys(t.string))
function Logger:FormatTable(formatString, tbl)
	assert(FORMAT_TABLE_TYPES(formatString, tbl))

	if self.formatterEnabled then
		for index, arg in next, tbl do
			formatString = self:_parseVariable(formatString, index, arg)
		end

		formatString:gsub(
			"{(.-)}",
			function(value)
				error(
					("Invalid formatter id %s: %s"):format(
						(value:match("%d+") and "#" .. tostring(value) or "`" .. tostring(value) .. "`"),
						formatString
					)
				)
			end
		)
	end

	return formatString
end

-- luacov: disable
function Logger:Info(formatString, ...)
	if self.verbosity.Value < 3 then
		return
	end

	local output = ("%s %s"):format(self:_getPrefix(), self:Format(formatString, ...))

	print(output)
	return output
end

function Logger:Warn(formatString, ...)
	if self.verbosity.Value < 2 then
		return
	end

	local args = {...}
	if (#args > 0) then
		warn(self:_getPrefix(), self:Format(formatString, ...))
		if self.warningsWithStackTrace then
			warn(debug.traceback(nil, 2))
		end
	else
		warn(self:_getPrefix(), formatString)
		if self.warningsWithStackTrace then
			warn(debug.traceback(nil, 2))
		end
	end
end

function Logger:AssertTrue(condition, formatString, ...)
	if not condition then
		error(self:getPrefix() .. " " .. self:Format(formatString, ...), 2)
	else
		return condition
	end
end

function Logger:AssertNotNil(value, formatString, ...)
	if value == nil then
		error(self:getPrefix() .. " " .. self:Format(formatString, ...), 2)
	else
		return value
	end
end

function Logger:Error(formatString, ...)
	error(self:getPrefix() .. " " .. self:Format(formatString, ...), 2)
end

local RunService = game:GetService("RunService")
local Default =
	RunService:IsStudio() and
	Logger.new(
		{
			prefix = LogPrefix.ScriptFullName,
			verbosity = LogVerbosity.Verbose,
			warningsWithStackTrace = true
		}
	) or
	Logger.new()

-- luacov: enable

return setmetatable(
	{
		new = Logger.new,
		Default = Default
	},
	{
		__index = Default,
		__newindex = function(self, index, value)
			assert(Logger:Is(value), "Only type `Logger` can be assigned as a member of Logger.")
			rawset(self, index, value)
		end
	}
)
