#!/usr/bin/python3

from datetime import datetime as dt
from lib.setup import import_config_file
from lib.authentication import authenticate_nextcloud


def setup_archive_data(config, timestamp):
    """
    Set up the data necessary for media archival to Nextcloud

    Arguments:
        config {dict} -- Configuration dictionary object
        timestamp {str} -- String describing the timestamp of the tweet

    Returns:
        obj -- WebDAV client object
        str -- String formatted date timestamp
        str -- String formatted time timestamp
    """
    if(config['webdav_hostname'] and config['webdav_login'] and config['webdav_password']):
        client = authenticate_nextcloud(config)
    else:
        print('Nextcloud WebDAV information missing/incomplete, skipping...')
        return
    ts = dt.fromtimestamp(int(int(timestamp)/1000))
    date_ts = ts.strftime('%Y_%m_%d')
    time_ts = ts.strftime('%H_%M_%S')
    return client, date_ts, time_ts


def setup_archive_dir(client, upload_path, date_ts):
    """
    Set up Nextcloud directory path for file upload

    Arguments:
        client {obj} -- WebDAV client object
        upload_path {str} -- Intended path to set up directories for upload archival
        date_ts {str} -- String formatted date timestamp
    """
    if(not client.check(upload_path)):
        client.mkdir(f'{upload_path}')
        client.mkdir(f'{upload_path}/{date_ts}')
    else:
        if(not client.check(f'{upload_path}/{date_ts}')):
            client.mkdir(f'{upload_path}/{date_ts}')


def attempt_upload_media(client, upload_dir, upload_filename, upload_filetype, archive_filename):
    """
    Attempt to upload archived media to Nextcloud with WebDAV client

    Arguments:
        client {obj} -- WebDAV client object
        upload_dir {str} -- String formatted directory path for Nextcloud archival
        upload_filename {str} -- String formatted filename for Nextcloud archival
        upload_filetype {str} -- File extension of archived media
        archive_filename {str} -- String formatted filename of the local archive
    """
    file_dne = True
    count = 1
    while(file_dne):
        temp_filename = f'{upload_dir}/{upload_filename}_{count}.{upload_filetype}'
        if(not client.check(temp_filename)):
            client.upload_file(temp_filename, f'{archive_filename}')
            file_dne = False
        else:
            count += 1


def nextcloud_upload_media(config, upload_path, archive_filename, timestamp):
    """
    Upload archived media file to Nextcloud with WebDAV client

    Arguments:
        config {obj} -- Configuration dictionary object
        upload_path {str} -- Nextcloud upload directory path
        archive_filename {str} -- String formatted filename of the local archive
        timestamp {str} -- String describing the timestamp of the tweet
    """
    client, date_ts, time_ts = setup_archive_data(config, timestamp)
    setup_archive_dir(client, upload_path, date_ts)
    attempt_upload_media(client, f'{upload_path}/{date_ts}',
                         f'{date_ts}_{time_ts}', f'{archive_filename.split(".")[1]}', f'data/{archive_filename}')