#!/usr/bin/env python3

# http://inamidst.com/saxo/
# Created by Sean B. Palmer

import re
import saxo

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 tr(arg):
    if not arg:
        return "Translate text from one language to another"

    source, arg = optflag(arg)
    target, phrase = optflag(arg)

    source = source or "auto"
    target = target or "en"

    page = saxo.request("https://translate.google.co.uk/", method="POST",
        data={"sl": source, "tl": target, "js": "n", "prev": "_t", "hl": "en",
              "ie": "UTF-8", "text": phrase, "file": "", "edit-text": ""})
    text = page["text"]

    result = re.compile(r"id=result_box(.*?)</div>")
    match = result.search(text)
    if not match:
        return "Sorry, no translation found"
    tag = re.compile("<[^>]+>")
    translation = tag.sub("", "<" + match.group(1))
    msg = "%s (%s » %s). translate.google.co.uk"
    return msg % (translation, source, target)