# -*- coding: utf-8 -*-
# !/usr/env/bin python3

import requests
import json
import re
from bs4 import BeautifulSoup
import os
import urllib.request

def get_html(url):
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36',
        'Referer': 'http://music.163.com',
        'Host': 'music.163.com'
    }
    try:
        response = requests.get(url, headers=headers)
        html = response.text
        return html
    except:
        print('request error')
        pass

def get_singer_info(html):
    soup = BeautifulSoup(html, 'lxml')
    links = soup.find('ul', class_='f-hide').find_all('a')
    song_IDs = []
    song_names = []
    for link in links:
        song_ID = link.get('href').split('=')[-1]
        song_name = link.get_text()
        song_IDs.append(song_ID)
        song_names.append(song_name)
    return zip(song_names, song_IDs)

def get_lyric(song_id):
    url = 'http://music.163.com/api/song/lyric?' + 'id=' + str(song_id) + '&lv=1&kv=1&tv=-1'
    html = get_html(url)
    json_obj = json.loads(html)
    raw_lyric = json_obj['lrc']['lyric']
    regex = re.compile(r'\[.*\]')
    final_lyric = re.sub(regex, '', raw_lyric).strip()
    return final_lyric


def download_song(song_name, song_id):
    singer_url = 'http://music.163.com/song/media/outer/url?id={}.mp3'.format(song_id)
    print('正在下载歌曲:{}'.format(song_name))
    urllib.request.urlretrieve(singer_url, 'songs\\{}.mp3'.format(song_name))
    # requests.get(singer_url, 'songs\\{}.mp3'.format(song_name))


if __name__ == '__main__':
    singer_id = input('请输入歌手的ID:')
    start_url = 'http://music.163.com/artist?id={}'.format(singer_id)
    html = get_html(start_url)
    singer_infos = get_singer_info(html)
    for singer_info in singer_infos:
        download_song(singer_info[0], singer_info[1])

