#!/usr/bin/env python3

from mastodon import Mastodon
import os
import requests
import datetime
#import json



def mastocats(tag = 'mastocats', server = 'mastodon.social', maxres = 10):
    print("Tag: %s" % tag)
    print("Server: %s" % server)
    print("Downloading toots")

    def default(o):
        if isinstance(o, (datetime.date, datetime.datetime)):
            return o.isoformat()

    mastodon = Mastodon(api_base_url = "https://" + server)
    toots = []
    last_id = None

    while True:
        statuses = list(mastodon.timeline_hashtag(tag, local=False, max_id=last_id))
        if not statuses:
            break
        if len(toots) >= maxres:
            break
        toots += list(map(
            lambda s: {
                'id': s['id'],
                'created': s['created_at'],
                'media': s['media_attachments'],
                'account': s['account']['url']
            }        
            , statuses))
        last_id = statuses[-1]['id']  
        print(len(toots))

    #print(toots)
    #print(json.dumps(toots, indent=4, default=default))



    print("Downloading media")

    os.makedirs('media', exist_ok=True)

    for toot in toots:
        for media in toot['media']:
            ext = os.path.splitext(media['preview_url'])[1]
            acc = toot['account'].replace("http://","").replace("https://","").replace("/","_")
            fname = "|".join([toot['created'].strftime('%Y%m%d-%H%M%S'), acc, str(toot['media'].index(media) + 1)]) + ext
            img_name = os.path.join('media', fname)
            
            if not os.path.isfile(img_name):
                print(img_name)
                img_data = requests.get(media['preview_url']).content
                with open(img_name, 'wb') as handler:
                    handler.write(img_data)


    print("")


if __name__ == "__main__":
    for tag in ['mastocats', 'catsofmastodon', 'cats', 'caturday', 'catstodon']:
        for server in ['mastodon.social', 'mastodon.bida.im', 'chaos.social']:
            mastocats(tag, server, 100)