"""Image Asset Migration Delete Objects script.

Command line script to remove all objects from a bucket and subfolder.

Example Usage:

$ python delete_destination_objects_script.py
"""

# !/usr/bin/env python
# -*- coding: utf-8 -*-

import datetime
import logging
import os
from os.path import dirname
from os.path import join

import boto3
from dotenv import load_dotenv

dotenv_path = join(dirname(__file__), '.env')
load_dotenv(dotenv_path)

DESTINATION_BUCKET_NAME = os.environ.get('DESTINATION_BUCKET_NAME')
DESTINATION_SUB_FOLDER = os.environ.get('DESTINATION_SUB_FOLDER')

if __name__ == '__main__':
    client = boto3.client('s3')
    s3 = boto3.resource('s3')
    bucket_to_empty = s3.Bucket(DESTINATION_BUCKET_NAME)
    logging.basicConfig(
        filename='delete_objects.log', level=logging.WARNING)
    count = 0
    for obj in bucket_to_empty.objects.filter(Prefix=DESTINATION_SUB_FOLDER):
        client.delete_object(
            Bucket=DESTINATION_BUCKET_NAME,
            Key=obj.key)
        count += 1
    logging.warning('Date of execution: {}'.format(datetime.datetime.now()))
    logging.warning('{} objects deleted'.format(count))