# -*- coding: utf-8 -*-

# scraper instagram posts
import os
import sys

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "dsite.settings")
sys.path.insert(0, '../')
sys.path.insert(0, './')
from django.core.wsgi import get_wsgi_application

get_wsgi_application()

import pickle
from urllib.parse import urlparse
import time

from mastodon import Mastodon
from instagram_private_api import Client
import requests
import logging

from dsite import settings

logging.basicConfig(filename='/root/develop/log/ins2mastodon.log', level=logging.INFO)
logger = logging.getLogger('/root/develop/log/ins2mastodon.log')
mastodon_cli = Mastodon(access_token=settings.MASTODON_NOFAN_ACCESS_TOKEN, api_base_url='https://nofan.xyz')


def send_image_to_mastodon(image_url, text):
    resp = requests.get(image_url)
    mime_type = 'image/jpeg'
    url = urlparse(image_url)
    ext = url.path.split('.')[-1]
    if ext == 'gif':
        mime_type = 'image/gif'
    toot_resp = mastodon_cli.media_post(resp.content, mime_type)
    if toot_resp.get('id'):
        media_ids = [toot_resp['id']]
        mastodon_cli.status_post(text, media_ids=media_ids)
        logger.info('send %s', text)
        image_name = urlparse(url).path.split('/')[-1]
        with open(settings.MASTODON_SYNCED_IMAGES_LOG, 'a') as f:
            f.write(image_name + '\n')


# write binary file with api.settings
def writeSettings(user, pwd, settings_file):
    api = Client(user, pwd)
    with open(settings_file, "wb") as FileObj:
        pickle.dump(api.settings, FileObj)


# read binary file to api.settings
def readSettings(settings_file):
    cache = None
    with open(settings_file, "rb") as FileObj:
        cache = pickle.load(FileObj)
    return cache


if __name__ == '__main__':

    if not os.path.exists(settings.IG_PRIVATE_API_SETTINGS):
        writeSettings(settings.IG_LOGIN_USERNAME, settings.IG_LOGIN_PASSWORD, settings.IG_PRIVATE_API_SETTINGS)

    cache_settings = readSettings(settings.IG_PRIVATE_API_SETTINGS)
    api = Client(settings.IG_LOGIN_USERNAME, settings.IG_LOGIN_PASSWORD, settings=cache_settings)

    while True:
        results = api.self_feed()
        logger.info('getting %s posts', len(results['items']))
        for item in results['items']:
            text = item['caption']['text']
            image_url = item['image_versions2']['candidates'][0]['url']
            try:
                with open(settings.MASTODON_SYNCED_IMAGES_LOG, 'r') as f:
                    send_images = f.readlines()
                    send_images = [x.strip() for x in send_images]
                image_name = urlparse(image_url).path.split('/')[-1]
                if image_name not in send_images:
                    send_image_to_mastodon(image_url, text)
            except Exception as e:
                logger.error(e)
        time.sleep(60)