import click
from click import secho

from delphi_es_utils.core.utils import printf_code
from delphi_es_utils.errors.exceptions import IndexManagerException
from delphi_es_utils.services import IndexManager
from delphi_es_utils.settings import ENVIRONMENT


@click.command('rollback', short_help=f'Rollback aliases after making changes in case of issues.')
@click.option('--name', required=True, help='Name of the index alias.')
@click.option('--env', default=ENVIRONMENT, help='Environment override')
def rollback_cmd(name, env=ENVIRONMENT):
    try:
        IndexManager(name).rollback_main_alias(name)
    except IndexManagerException as e:
        secho('**✘ Rollback failed**')
        secho(str(e))
        exit(1)
    except Exception as e:
        secho('**✘ Rollback failed**')
        printf_code(e)
        exit(1)
    else:
        secho('\n✔︎ Aliases rolled back successfully.')