# -*- coding: utf-8 -*-

# requires: lyricsgenius

import logging

import lyricsgenius

from .. import loader, utils

logger = logging.getLogger(__name__)


@loader.tds
class LyricsMod(loader.Module):
    """Sings songs"""

    strings = {
        "name": "Lyrics",
        "genius_api_token_doc": "The LyricsGenius API token from http://genius.com/api-clients",
        "invalid_syntax": "<b>Please specify song and artist.</b>",
        "song_not_found": "<b>Song not found</b>",
        "missing_token": "<b>API Token missing</b>",
    }

    def __init__(self):
        self.config = loader.ModuleConfig(
            "GENIUS_API_TOKEN", None, lambda m: self.strings("genius_api_token_doc", m)
        )

    def config_complete(self):
        if self.config["GENIUS_API_TOKEN"]:
            self.genius = lyricsgenius.Genius(self.config["GENIUS_API_TOKEN"])
        else:
            self.genius = None

    @loader.unrestricted
    @loader.ratelimit
    async def lyricscmd(self, message):
        """.lyrics Song, Artist"""
        if self.genius is None:
            await utils.answer(message, self.strings("missing_token", message))
        args = utils.get_args_split_by(message, ",")
        if len(args) != 2:
            logger.debug(args)
            await utils.answer(message, self.strings("invalid_syntax", message))
            return
        logger.debug("getting song lyrics for " + args[0] + ", " + args[1])
        try:
            song = await utils.run_sync(self.genius.search_song, args[0], args[1])
        except TypeError:
            # Song not found causes internal library error
            song = None
        if song is None:
            await utils.answer(message, self.strings("song_not_found", message))
            return
        logger.debug(song)
        logger.debug(song.lyrics)
        await utils.answer(message, utils.escape_html(song.lyrics))