#! /usr/bin/env python
import logging
import urlparse

import argparse

from dashboard.common import elastic_access

logger = logging.getLogger('clear_kibana')
logger.setLevel(logging.DEBUG)
file_handler = logging.FileHandler('/var/log/{}.log'.format('clear_kibana'))
file_handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s: '
                                            '%(message)s'))
logger.addHandler(file_handler)


def delete_all(url, es_creds):
    ids = elastic_access.get_docs(url, es_creds, body=None, field='_id')
    for id in ids:
        del_url = '/'.join([url, id])
        elastic_access.delete_docs(del_url, es_creds)


if __name__ == '__main__':
    parser = argparse.ArgumentParser(
        description=('Delete saved kibana searches, '
                     'visualizations and dashboards'))
    parser.add_argument('-e', '--elasticsearch-url',
                        default='http://localhost:9200',
                        help=('the url of elasticsearch, '
                              'defaults to http://localhost:9200'))

    parser.add_argument('-u', '--elasticsearch-username', default=None,
                        help=('The username with password for elasticsearch '
                              'in format username:password'))

    args = parser.parse_args()
    base_elastic_url = args.elasticsearch_url
    es_creds = args.elasticsearch_username

    urls = (urlparse.urljoin(base_elastic_url, '/.kibana/visualization'),
            urlparse.urljoin(base_elastic_url, '/.kibana/dashboard'),
            urlparse.urljoin(base_elastic_url, '/.kibana/search'))

    for url in urls:
        delete_all(url, es_creds)