from .common import InfoExtractor
from ..utils import (
    qualities,
    str_or_none,
)


class ReverbNationIE(InfoExtractor):
    _VALID_URL = r'^https?://(?:www\.)?reverbnation\.com/.*?/song/(?P<id>\d+).*?$'
    _TESTS = [{
        'url': 'http://www.reverbnation.com/alkilados/song/16965047-mona-lisa',
        'md5': 'c0aaf339bcee189495fdf5a8c8ba8645',
        'info_dict': {
            'id': '16965047',
            'ext': 'mp3',
            'title': 'MONA LISA',
            'uploader': 'ALKILADOS',
            'uploader_id': '216429',
            'thumbnail': r're:^https?://.*\.jpg',
        },
    }]

    def _real_extract(self, url):
        song_id = self._match_id(url)

        api_res = self._download_json(
            'https://api.reverbnation.com/song/%s' % song_id,
            song_id,
            note='Downloading information of song %s' % song_id
        )

        THUMBNAILS = ('thumbnail', 'image')
        quality = qualities(THUMBNAILS)
        thumbnails = []
        for thumb_key in THUMBNAILS:
            if api_res.get(thumb_key):
                thumbnails.append({
                    'url': api_res[thumb_key],
                    'preference': quality(thumb_key)
                })

        return {
            'id': song_id,
            'title': api_res['name'],
            'url': api_res['url'],
            'uploader': api_res.get('artist', {}).get('name'),
            'uploader_id': str_or_none(api_res.get('artist', {}).get('id')),
            'thumbnails': thumbnails,
            'ext': 'mp3',
            'vcodec': 'none',
        }
