#!/usr/bin/env python3
"""
Pick some random numbers.
"""
import sys
import random

from module import commands, example

@commands("rand")
@example(".rand 2", "random(0, 2) = 1")
@example(".rand -1 -1", "random(-1, -1) = -1")
@example(".rand", "random(0, 56) = 13")
@example(".rand 99 10", "random(10, 99) = 53")
@example(".rand 10 99", "random(10, 99) = 29")
def rand(bot, trigger):
	"""Replies with a random number between first and second argument."""
	arg1 = trigger.group(3)
	arg2 = trigger.group(4)

	try:
		if arg2 is not None:
			low = int(arg1)
			high = int(arg2)
		elif arg1 is not None:
			low = 0
			high = int(arg1)
		else:
			low = 0
			high = sys.maxsize
	except (ValueError, TypeError):
		return bot.reply("Arguments must be of integer type")

	if low > high:
		low, high = high, low

	number = random.randint(low, high)
	bot.reply(f"random({low}, {high}) = {number}")