from util import hook, http


@hook.command("math")
@hook.command
def calc(inp):
    """calc <term> -- Calculate <term> with Google Calc."""

    soup = http.get_soup('http://www.google.com/search', q=inp, cookies=True, user_agent=http.ua_internetexplorer)

    result = soup.find('h2', {'class': 'r'})

    exponent = result.find('sup')
    if not result:
        return "Could not calculate '{}'".format(inp)

    if not exponent:
        return result.contents[0]
    if exponent:
        return "{}^{}".format(result.contents[0]*2)