# coding: utf-8
from __future__ import unicode_literals

import re

from .common import InfoExtractor
from ..compat import compat_str
from ..utils import int_or_none


class BeatportIE(InfoExtractor):
	_VALID_URL = r'https?://(?:www\.|pro\.)?beatport\.com/track/(?P<display_id>[^/]+)/(?P<id>[0-9]+)'
	_TESTS = [{
		'url': 'https://beatport.com/track/synesthesia-original-mix/5379371',
		'md5': 'b3c34d8639a2f6a7f734382358478887',
		'info_dict': {
			'id': '5379371',
			'display_id': 'synesthesia-original-mix',
			'ext': 'mp4',
			'title': 'Froxic - Synesthesia (Original Mix)',
		},
	}, {
		'url': 'https://beatport.com/track/love-and-war-original-mix/3756896',
		'md5': 'e44c3025dfa38c6577fbaeb43da43514',
		'info_dict': {
			'id': '3756896',
			'display_id': 'love-and-war-original-mix',
			'ext': 'mp3',
			'title': 'Wolfgang Gartner - Love & War (Original Mix)',
		},
	}, {
		'url': 'https://beatport.com/track/birds-original-mix/4991738',
		'md5': 'a1fd8e8046de3950fd039304c186c05f',
		'info_dict': {
			'id': '4991738',
			'display_id': 'birds-original-mix',
			'ext': 'mp4',
			'title': "Tos, Middle Milk, Mumblin' Johnsson - Birds (Original Mix)",
		}
	}]

	def _real_extract(self, url):
		mobj = re.match(self._VALID_URL, url)
		track_id = mobj.group('id')
		display_id = mobj.group('display_id')

		webpage = self._download_webpage(url, display_id)

		playables = self._parse_json(
			self._search_regex(
				r'window\.Playables\s*=\s*({.+?});', webpage,
				'playables info', flags=re.DOTALL),
			track_id)

		track = next(t for t in playables['tracks'] if t['id'] == int(track_id))

		title = ', '.join((a['name'] for a in track['artists'])) + ' - ' + track['name']
		if track['mix']:
			title += ' (' + track['mix'] + ')'

		formats = []
		for ext, info in track['preview'].items():
			if not info['url']:
				continue
			fmt = {
				'url': info['url'],
				'ext': ext,
				'format_id': ext,
				'vcodec': 'none',
			}
			if ext == 'mp3':
				fmt['preference'] = 0
				fmt['acodec'] = 'mp3'
				fmt['abr'] = 96
				fmt['asr'] = 44100
			elif ext == 'mp4':
				fmt['preference'] = 1
				fmt['acodec'] = 'aac'
				fmt['abr'] = 96
				fmt['asr'] = 44100
			formats.append(fmt)
		self._sort_formats(formats)

		images = []
		for name, info in track['images'].items():
			image_url = info.get('url')
			if name == 'dynamic' or not image_url:
				continue
			image = {
				'id': name,
				'url': image_url,
				'height': int_or_none(info.get('height')),
				'width': int_or_none(info.get('width')),
			}
			images.append(image)

		return {
			'id': compat_str(track.get('id')) or track_id,
			'display_id': track.get('slug') or display_id,
			'title': title,
			'formats': formats,
			'thumbnails': images,
		}
