#!/usr/bin/env python3

import re
import urllib.parse
import lxml.html

import saxo

# Quote a bible verse.  By clsn.

# cribbed from tr
def optflag(arg):
    flag = None
    if arg.startswith(":"):
        if " " in arg:
            flag, arg = arg.split(" ", 1)
        else:
            flag, arg = arg, ""
        flag = flag[1:]
    return flag, arg

@saxo.command()
def bibl(arg):
    if not arg:
        return "Show text of biblical verse."

    version, arg = optflag(arg)
    version = version or "NET"
    url='''https://www.biblegateway.com/passage/?search={search}&version={version}'''
    info = saxo.request(url.format(search=urllib.parse.quote(arg), version=version))
    page = lxml.html.fromstring(info["text"])
    try:
        elt = page.xpath("//meta[@name='twitter:description']")[0]
    except IndexError:
        return "Sorry, not found."
    return elt.attrib['content']