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import supybot.utils as utils
from supybot.commands import *
import supybot.plugins as plugins
import supybot.ircutils as ircutils
import supybot.callbacks as callbacks
import supybot.conf as conf
import requests
import json


class Azure(callbacks.Plugin):
    def translate(self, irc, msg, args, optlist, text):
        """[--from <source>] [--to <target>] <text>
        Translate text using Microsoft Azure. Uses automatic language detection if source not
        set. No target uses the plugin default.
        https://docs.microsoft.com/en-us/azure/cognitive-services/translator/language-support
        """
        optlist = dict(optlist)
        if "from" in optlist:
            source = optlist.get("from")
        else:
            source = self.registryValue("translate.source", msg.channel)
        if "to" in optlist:
            target = optlist.get("to")
        else:
            target = self.registryValue("translate.target", msg.channel)
        if source != "auto":
            url = "https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&to={0}&from={1}".format(
                target, source
            )
        else:
            url = "https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&to={0}".format(
                target
            )
        key = self.registryValue("translate.key")
        headers = {"Ocp-Apim-Subscription-Key": key, "Content-type": "application/json"}
        body = [{"text": text}]
        response = requests.post(url, headers=headers, json=body)
        if not response.status_code == 200:
            log.debug(
                "Azure: Error accessing {0}: {1}".format(url, response.content.decode())
            )
            return
        result = json.loads(response.content)
        if result[0].get("detectedLanguage"):
            reply = "{0} [{1}~>{2}]".format(
                result[0]["translations"][0]["text"],
                result[0]["detectedLanguage"]["language"],
                target,
            )
        else:
            reply = "{0} [{1}~>{2}]".format(
                result[0]["translations"][0]["text"], source, target
            )
        irc.reply(reply)

    translate = wrap(translate, [getopts({"from": "text", "to": "text"}), "text"])


Class = Azure
