# This file is part of python-cinema-club-bot
# contributed in 2024 by Mikhail Kirillov (~w96k) <w96k@runbox.com>

# To the extent possible under law, the author(s) have dedicated all copyright
# and related and neighboring rights to this software to the public domain
# worldwide. This software is distributed without any warranty.

# You should have received a copy of the CC0 Public Domain Dedication along
# with this software. If not, see:
# <http://creativecommons.org/publicdomain/zero/1.0/>

from telegram import Update, error
from telegram.ext import ContextTypes
from imdb import Cinemagoer

from utils import context_init, choose_next_user, normalize_username, \
    init_new_event
from predicates import has_finished_movie
from strings import MOVIE_NOT_PROVIDED, EXPECTED_ONE_MOVIE, \
    MOVIE_ANOTHER_USER, FETCHING_MOVIE, FETCHING_ERROR, \
    MOVIE_REMOVE, MOVIE_SET, MOVIES_LIST, NO_MOVIES, ADD_MORE_USERS


imdb = Cinemagoer()


async def movie(
        update: Update,
        context: ContextTypes.DEFAULT_TYPE
) -> None:
    context_init(context)

    users = context.chat_data["users"]

    if users == []:
        raise error.TelegramError(ADD_MORE_USERS)

    chooser = users[0]
    username = update.message.from_user.username

    if has_finished_movie(context):
        users = context.chat_data["users"] = choose_next_user(context)

    if "@"+username != chooser:
        raise error.TelegramError(MOVIE_ANOTHER_USER.format(user=chooser))

    if context.args == []:
        raise error.TelegramError(MOVIE_NOT_PROVIDED)

    if len(context.args) > 1:
        raise error.TelegramError(EXPECTED_ONE_MOVIE)

    movie_id = context.args[0]

    await update.message.reply_text(FETCHING_MOVIE.format(id=movie_id))

    try:
        movie = imdb.get_movie(movie_id)
    except:
        raise error.TelegramError(FETCHING_ERROR)

    movie_dict = dict(
        title=movie.data.get("title"),
        id=movie.getID(),
        user=update.effective_user.username,
        rating=movie.data.get("rating"),
        genres=movie.data.get("genres"),
        runtime=movie.data.get("runtimes"),
    )

    if len(context.chat_data["movies"]) > 0 and \
       context.chat_data["movies"][-1]["user"] == username:
        context.chat_data["movies"][-1] = movie_dict

        last_event = context.chat_data["events"][-1] \
            if len(context.chat_data["events"]) > 0 else None

        if last_event and context.chat_data["events"][-1]["user"] == username:
            last_event["title"] = movie_dict["title"]
            context.chat_data["events"][-1] = last_event
    else:
        init_new_event(context, users[0], movie_dict["title"])
        context.chat_data["movies"].append(movie_dict)

    await update.message.reply_text(
        MOVIE_SET.format(title=movie_dict["title"], user=movie_dict["user"])
    )


async def movies(
        update: Update,
        context: ContextTypes.DEFAULT_TYPE
) -> None:
    context_init(context)

    movies = context.chat_data["movies"]

    movies_formatted: str = ""

    for movie in movies:
        movies_formatted += MOVIES_LIST.format(
            title=movie["title"],
            user=movie["user"]
        )

    if movies_formatted == "":
        movies_formatted = NO_MOVIES

    await update.message.reply_text(movies_formatted)