local Util = require(script.Parent.Parent.Shared.Util)
local Players = game:GetService("Players")

local nameCache = {}
local function getUserId(name)
	if nameCache[name] then
		return nameCache[name]
	elseif Players:FindFirstChild(name) then
		nameCache[name] = Players[name].UserId
		return Players[name].UserId
	else
		local ok, userid = pcall(Players.GetUserIdFromNameAsync, Players, name)

		if not ok then
			return nil
		end

		nameCache[name] = userid
		return userid
	end
end

local playerIdType = {
	DisplayName = "Full Player Name";
	Prefixes = "# integer";

	Transform = function (text)
		local findPlayer = Util.MakeFuzzyFinder(Players:GetPlayers())

		return text, findPlayer(text)
	end;

	ValidateOnce = function (text)
		return getUserId(text) ~= nil, "No player with that name could be found."
	end;

	Autocomplete = function (_, players)
		return Util.GetNames(players)
	end;

	Parse = function (text)
		return getUserId(text)
	end;

	Default = function(player)
		return player.Name
	end;

	ArgumentOperatorAliases = {
		me = ".";
		all = "*";
		others = "**";
		random = "?";
	};
}

return function (cmdr)
	cmdr:RegisterType("playerId", playerIdType)
	cmdr:RegisterType("playerIds", Util.MakeListableType(playerIdType, {
		Prefixes = "# integers"
	}))
end