import requests
import help_methods

import discord


def get_definition(content):
    """
    get_definition(content)

    grabs a definition from urban dictionary
    """
    if len(content.split()) > 1:
        word = content.split()[1:]
        try:
            definition = requests.get(
                "https://api.urbandictionary.com/v0/define?term={}".format(
                    "%20".join(word)
                )
            ).json()["list"]
            # UD returns all the results in a json blob. Calculate which result has the highest upvotes to downvotes ratio
            # as this is the result that shows up at the top on urbandictionary.com
            ratios = {}
            for result in definition:
                upvotes = result["thumbs_up"]
                downvotes = result["thumbs_down"]
                if int(downvotes) > 0:
                    ratio = int(upvotes) / int(downvotes)
                    ratios[definition.index(result)] = ratio
            definition = definition[(max(ratios, key=ratios.get))]["definition"]
            site = "Urban Dictionary"

        except IndexError:
            try:
                # Try another dictionary
                definition = requests.get(
                    "http://api.pearson.com/v2/dictionaries/ldoce5/entries?headword={}".format(
                        "%20".join(word)
                    )
                ).json()["results"][0]["senses"][0]["definition"][0]

                site = "Pearson"
            except IndexError:
                definition = "No definition found"

        embed = discord.Embed(
            description="%s:\n%s" % (" ".join(word), definition),
            color=0x428BCA,
            type="rich",
        )
        embed.set_author(name="From %s" % site)

        return embed

    return help_methods.get_help_message("define")