# Script to add a new item to the log

from datetime import datetime
import json
import logging
import re
import requests
from urllib.request import urlopen

def import_film(imdb_id, log):
    """Import a film via the TMDB API, given an IMDB ID"""
    logging.info(f"Processing {imdb_id}…")

    api_url = f"https://api.themoviedb.org/3/find/{imdb_id}"

    # Sending API request
    response = requests.get(
        api_url,
        params={
            'external_source': 'imdb_id'
        },
        headers={'Authorization': 'Bearer eyJhbGciOiJIUzI1NiJ9.eyJhdWQiOiI1NWQ2ZjY3YzJlOTQwMDI1NTFmN2VkNmEyZWVjM2E3NyIsInN1YiI6IjUxNWMyNzkxMTljMjk1MTQ0ZDAzZDM0NCIsInNjb3BlcyI6WyJhcGlfcmVhZCJdLCJ2ZXJzaW9uIjoxfQ.92eNKubJ_CORCIIlta30P9Qjg_Q9gPRFDTfG4gyz9kY'}
    )

    # Process the response
    if (200 == response.status_code):
        logging.info(response.status_code)
    elif (429 == response.status_code):
        time.sleep(2)
        import_film(imdb_id)
    else:
        logging.error(response.text)

    response_data = json.loads(response.text)
    if 1 == len(response_data['movie_results']):
        film = response_data['movie_results'][0]
    elif 0 == len(response_data['movie_results']):
        logging.error(f"Returned no results for {imdb_id}")
        return
    elif 1 < len(response_data['movie_results']):
        logging.warning(f"Returned more than one film for ID {imdb_id}")
        print(f"Returned more than one film for ID {imdb_id}:")
        print(json.dumps(response_data['movie_results'], indent=4))
        id = input("Enter the index of the result to use:")
        try:
            film = response_data['movie_results'][id]
        except:
            logging.error("Index invalid!")
            print("Index invalid!")

    # Modify the returned result to add additional data
    film = cleanup_film(film)

    if 'log' == log:
        date_watched = ''
        while re.search('[0-9]{4}-[0-9]{2}-[0-9]{2}', date_watched) is None:
            date_watched = input("Enter date watched [YYYY-MM-DD, t for today]:")
            if 't' == date_watched: date_watched = datetime.today().strftime('%Y-%m-%d')
        film['date_watched'] = date_watched

        is_rewatch = ''
        while is_rewatch not in ['y', 'n']:
            is_rewatch = input("Is this a rewatch? [y/n]:")
            if 'y' == is_rewatch: film['is_rewatch'] = True

    comments = input("Enter comments (optional):")
    if '' != comments: film['comments'] = comments

    # Validation step
    correct = ''
    print("Film data to add:")
    print(json.dumps(film, indent=4))
    if 'y' != input("Does this look correct? [y]:"): return

    # Save changes
    logging.info('Adding film to log…')

    with open(f"./data/films/{log}.json", "r") as films_log:
        films = json.load(films_log)

    films.insert(0, film)

   with open(f"./data/films/{log}.json", "w") as films_log:
        json.dump(films, films_log, indent=4)

    logging.info(f"Added film {film['title']} ({film['release_date']}) to log {log}")


def cleanup_film(film):
    """Process a film returned by the TMDB API by removing unnecessary fields and adding others"""
    del film['adult'], film['backdrop_path'], film['genre_ids'], film['popularity'], film['video'], film['vote_average'], film['vote_count']
    if 'media_type' in film: del film['media_type']

    if film['original_title'] == film['title'] and film['original_language'] == 'en':
        del film['original_title'], film['original_language']

    film['date_added'] = datetime.today().strftime('%Y-%m-%d')

    return film


logging.basicConfig(filename='../logs/run.log', encoding='utf-8', level=logging.DEBUG)

media_type = ''
while media_type not in ['film', 'tv', 'book']:
    media_type = input("Select media type [film|tv|book]:")

    if 'film' == media_type:
        log = ''
        while log not in ['log', 'wishlist']:
            log = input ("Enter log to update [log|wishlist]:")

        imdb_id = ''
        while re.search("tt[0-9]+", imdb_id) is None:
            imdb_id = input("Enter IMDB ID:")

        import_film(imdb_id, log)

    elif 'book' == media_type:
        log = ''
        while log not in ['log', 'current', 'wishlist']:
            log = input ("Enter log to update [log|current|wishlist]:")

        isbn = ''
        while re.search("[0-9]+", isbn) is None:
            isbn = input("Enter ISBN:")

    elif 'tv' == media_type:
        log = ''
        while log not in ['log', 'wishlist']:
            log = input ("Enter log to update [log|wishlist]:")

        imdb_id = ''
        while re.search("tt[0-9]+", imdb_id) is None:
            imdb_id = input("Enter IMDB ID:")

        import_tv_episode(imdb_id, log)