#!/usr/bin/env python
# pylint: disable=missing-function-docstring, unused-argument
# This program is dedicated to the public domain under the CC0 license.

"""
Simple Bot to print/download all incoming passport data

See https://telegram.org/blog/passport for info about what telegram passport is.

See https://git.io/fAvYd for how to use Telegram Passport properly with python-telegram-bot.

"""
import logging
from pathlib import Path

from telegram import Update
from telegram.ext import MessageHandler, filters, Updater, CallbackContext

# Enable logging

logging.basicConfig(
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.DEBUG
)

logger = logging.getLogger(__name__)


def msg(update: Update, context: CallbackContext.DEFAULT_TYPE) -> None:
    """Downloads and prints the received passport data."""
    # Retrieve passport data
    passport_data = update.message.passport_data
    # If our nonce doesn't match what we think, this Update did not originate from us
    # Ideally you would randomize the nonce on the server
    if passport_data.decrypted_credentials.nonce != 'thisisatest':
        return

    # Print the decrypted credential data
    # For all elements
    # Print their decrypted data
    # Files will be downloaded to current directory
    for data in passport_data.decrypted_data:  # This is where the data gets decrypted
        if data.type == 'phone_number':
            print('Phone: ', data.phone_number)
        elif data.type == 'email':
            print('Email: ', data.email)
        if data.type in (
            'personal_details',
            'passport',
            'driver_license',
            'identity_card',
            'internal_passport',
            'address',
        ):
            print(data.type, data.data)
        if data.type in (
            'utility_bill',
            'bank_statement',
            'rental_agreement',
            'passport_registration',
            'temporary_registration',
        ):
            print(data.type, len(data.files), 'files')
            for file in data.files:
                actual_file = file.get_file()
                print(actual_file)
                actual_file.download()
        if (
            data.type in ('passport', 'driver_license', 'identity_card', 'internal_passport')
            and data.front_side
        ):
            front_file = data.front_side.get_file()
            print(data.type, front_file)
            front_file.download()
        if data.type in ('driver_license' and 'identity_card') and data.reverse_side:
            reverse_file = data.reverse_side.get_file()
            print(data.type, reverse_file)
            reverse_file.download()
        if (
            data.type in ('passport', 'driver_license', 'identity_card', 'internal_passport')
            and data.selfie
        ):
            selfie_file = data.selfie.get_file()
            print(data.type, selfie_file)
            selfie_file.download()
        if data.type in (
            'passport',
            'driver_license',
            'identity_card',
            'internal_passport',
            'utility_bill',
            'bank_statement',
            'rental_agreement',
            'passport_registration',
            'temporary_registration',
        ):
            print(data.type, len(data.translation), 'translation')
            for file in data.translation:
                actual_file = file.get_file()
                print(actual_file)
                actual_file.download()


def main() -> None:
    """Start the bot."""
    # Create the Updater and pass it your token and private key
    private_key = Path('private.key')
    updater = Updater.builder().token("TOKEN").private_key(private_key.read_bytes()).build()

    # Get the dispatcher to register handlers
    dispatcher = updater.dispatcher

    # On messages that include passport data call msg
    dispatcher.add_handler(MessageHandler(filters.PASSPORT_DATA, msg))

    # Start the Bot
    updater.start_polling()

    # Run the bot until you press Ctrl-C or the process receives SIGINT,
    # SIGTERM or SIGABRT. This should be used most of the time, since
    # start_polling() is non-blocking and will stop the bot gracefully.
    updater.idle()


if __name__ == '__main__':
    main()