#!/usr/bin/python3

import random
# needs python3-requests and python3-html2text packages
import requests, html2text

board_list = requests.get('https://a.4cdn.org/boards.json')
if board_list.ok:
    all_boards = [b['board'] for b in board_list.json()['boards']]
    random_board = random.choice(all_boards)
    catalog = requests.get('https://a.4cdn.org/' + random_board + '/catalog.json')
    if catalog.ok:
        catalog_threads = [thread['no'] for page in catalog.json() for thread in page['threads']]
        random_thread = random.choice(catalog_threads)
        posts = requests.get('https://a.4cdn.org/' + random_board + '/thread/' + str(random_thread) + '.json')
        if posts.ok:
            posts_list = posts.json()['posts']
            random_post = random.choice(posts_list)
            post_link = 'https://boards.4chan.org/' + random_board + '/res/' + str(random_thread)
            if random_post['no'] != random_thread:
                post_link += '#p' + str(random_post['no'])
            print(post_link)
            if 'com' in random_post:
                plaintext = html2text.html2text(random_post['com'])
                print(plaintext)
        else:
            print('Error getting posts from /' + random_board + '/' + random_thread + '!')
    else:
        print('Error getting catalog on /' + random_board + '/!')
else:
    print('Error getting board list!')