#!/usr/bin/env python3
from mastodon import Mastodon
import twitter

import sqlite3, json, re

cfg = {
	"cw":None,
	"mark_sensitive":True,
	"site":"https://botsin.space"
}
try:
	j = json.load(open("config.json"))
	for key, value in j.items():
		cfg[key] = value
except:
	print("No config.json, using default configuration")

scopes = ["read:accounts", "write:statuses"]

if "client" not in cfg:
	print("No application info -- registering application with {}".format(cfg['site']))
	client_id, client_secret = Mastodon.create_app("Twitter Image Poster",
		api_base_url=cfg['site'],
		scopes=scopes,
		website="https://git.lynnesbian.space/lynnesbian/Twitter_Image_Poster")

	cfg['client'] = {
		"id": client_id,
		"secret": client_secret
	}

if "secret" not in cfg:
	print("No user credentials -- logging in to {}".format(cfg['site']))
	client = Mastodon(client_id = cfg['client']['id'],
		client_secret = cfg['client']['secret'],
		api_base_url=cfg['site'])

	print("Open this URL and authenticate to give Twitter Image Poster access to your bot's account: {}".format(client.auth_request_url(scopes=scopes)))
	cfg['secret'] = client.log_in(code=input("Secret: "), scopes=scopes)

if "twitter" not in cfg:
	print("No Twitter credentials")
	print("Please create a Twitter app by using this page: https://developer.twitter.com/en/apps/create")
	cfg['twitter'] = {
		"consumer_key": None,
		"consumer_secret": None,
		"access_token_key": None,
		"access_token_secret": None
	}
	for i in cfg['twitter'].keys():
		cfg['twitter'][i] = input("{}: ".format(i))

json.dump(cfg, open("config.json", "w+"))

# log in to twitter
api = twitter.Api(**cfg['twitter'])

if "accounts" not in cfg:
	print("Please specify the accounts you'd like Twitter Image Poster to learn from. Enter one account at a time formatted as '@user', followed by a blank line.")
	i = None
	accounts = []
	while i != "":
		i = input("User: ")
		if not re.match("@(\w){1,16}$", i):
			if i == "":
				print("Accounts to learn from: {}".format(", ".join(accounts)))
				break
			print("Invalid username")
			continue
		if i == "" and len(accounts) == 0:
			print("You must enter at least one account")
			continue
		print("Checking account...")
		try:
			user = api.GetUser(screen_name=i)
			accounts.append(i)
		except:
			print("Invalid username.")


# connect to database

db = sqlite3.connect("tip.db")
db.text_factory=str
c = db.cursor()

c.execute("CREATE TABLE IF NOT EXISTS `images` (post_id INT NOT NULL UNIQUE PRIMARY KEY, screen_name VARCHAR NOT NULL, image_url VARCHAR) WITHOUT ROWID")
db.commit()

for acct in accounts:
	last_tweet = c.execute("SELECT post_id FROM `images` WHERE user_id LIKE ? ORDER BY post_id DESC LIMIT 1", (acct,)).fetchone()
	if last_tweet != None:
		last_tweet = last_tweet[0]
	else:
		last_tweet = 0 # start from the first one
	print("Downloading tweets from account {}, starting from {}".format(acct, last_tweet))
	tl = api.GetUserTimeline(screen_name = acct, since_id = last_tweet, exclude_replies = True)



client = Mastodon(
	client_id=cfg['client']['id'],
	client_secret = cfg['client']['secret'], 
	access_token=cfg['secret'], 
	api_base_url=cfg['site'])