from __future__ import unicode_literals
from bs4 import BeautifulSoup
import requests
import os
import youtube_dl

url = 'https://www.safaribooksonline.com/library/view/ccna-routing-and/9780134580715/'
domain = 'https://www.safaribooksonline.com'
output_folder = 'output'
username = 'username'
password = 'SuperSecretPassword'

d = os.path.dirname(os.path.abspath(__file__))

req = requests.get(url)

soup = BeautifulSoup(req.text, 'html.parser')


lessons = soup.find_all('li', class_='toc-level-1')
print("All lessons is: ", len(lessons))
print("*"*100)

source_category_block = soup.find('div', class_='description t-description')
if 'Book Description' in soup.text:
    source_category = "book"
    print("Your source category is:", source_category)
elif 'Video Description' in soup.text:
    source_category = "video"
    print("Your source category is:", source_category)
else:
    source_category = "undefined"
    print("Your source category is:", source_category)

source_name_block = soup.find('h1', class_='t-title')

if source_name_block:
    source_name = source_name_block.text
    print("Your source name is:", source_name)
else:
    source_name = None

Path = os.path.join(d, output_folder, source_category, source_name)
os.makedirs(Path, exist_ok=True)
module_name = 'Module 0'
for lesson in lessons:
    lesson_name = lesson.a.text
    if lesson_name.startswith('Module') and not 'Summary' in lesson_name:
        module_name = lesson_name
        os.makedirs(Path + '/' + module_name, exist_ok=True)
        for index, video in enumerate(lesson.ol.find_all('a')):
            video_name = str(index) + ' - ' + video.text
            video_url = domain + video.get('href')
            video_out = Path + '/' + module_name + '/' + video_name + '.mp4'
            print("youtube-dl --output '{}' {}".format(video_out, video_url))
    else:
        os.makedirs(Path + '/' + module_name + '/' + lesson_name, exist_ok=True)
        for index, video in enumerate(lesson.ol.find_all('a')):
            video_name = str(index) + ' - ' + video.text
            video_url = domain + video.get('href')
            video_out = Path + '/' + module_name + '/' + lesson_name + '/' + video_name + '.mp4'
            print("youtube-dl --output '{}' {}".format(video_out, video_url))

def my_hook(d):
    if d['status'] == 'finished':
        print('Done downloading, now converting ...')

ydl_opts = {
    'format': 'bestaudio/best',
    'outtmpl': '%(id)s',
    'noplaylist' : True,
    'progress_hooks': [my_hook],
}

with youtube_dl.YoutubeDL(ydl_opts) as ydl:
    ydl.download(['https://www.youtube.com/watch?v=pwp1CH5R-w4'])