core.register_chatcommand("effect", {
	params = "add|remove <player> <effect> <time> <multiplier>",
	description = "Add or Remove <effect> from <player>",
	privs = {give = 1},
	func = function (name, param)
		local split = param:split(" ")

		if #split < 3 then
			return false, "Invalid syntax: " .. param
		end

		local option = split[1]
		local targets = PyuTest.chatcommand_entity_selector(name, split[2])
		local effect = split[3]

		for _, v in pairs(targets) do
			if not core.get_player_by_name(v) then
				core.chat_send_player(name, "Invalid player: " .. v)
				return
			end
		end

		if option == "add" and #split == 5 then
			local time = tonumber(split[4])
			local multiplier = tonumber(split[5]) or 2
			for _, v in pairs(targets) do
				PyuTest.status_effect_add(v, effect, multiplier, time)
			end
		elseif option == "remove" and #split == 3 then
			for _, v in pairs(targets) do
				PyuTest.status_effect_remove(v, effect)
			end
		end
	end
})