"""Snapshot Singleton"""
import click
from curator.cli_singletons.object_class import cli_action
from curator.cli_singletons.utils import get_width, validate_filter_json

@click.command(context_settings=get_width())
@click.option('--repository', type=str, required=True, help='Snapshot repository')
@click.option(
    '--name',
    type=str,
    help='Snapshot name',
    show_default=True,
    default='curator-%Y%m%d%H%M%S'
)
@click.option(
    '--ignore_unavailable',
    is_flag=True,
    show_default=True,
    help='Ignore unavailable shards/indices.'
)
@click.option(
    '--include_global_state',
    is_flag=True,
    show_default=True,
    help='Store cluster global state with snapshot.'
)
@click.option(
    '--partial',
    is_flag=True,
    show_default=True,
    help='Do not fail if primary shard is unavailable.'
)
@click.option(
    '--wait_for_completion/--no-wait_for_completion',
    default=True,
    show_default=True,
    help='Wait for the snapshot to complete'
)
@click.option(
    '--wait_interval',
    default=9,
    type=int,
    help='Seconds to wait between completion checks.'
)
@click.option(
    '--max_wait',
    default=-1,
    type=int,
    help='Maximum number of seconds to wait_for_completion'
)
@click.option(
    '--skip_repo_fs_check',
    is_flag=True,
    show_default=True,
    help='Skip repository filesystem access validation.'
)
@click.option(
    '--ignore_empty_list',
    is_flag=True,
    help='Do not raise exception if there are no actionable indices'
)
@click.option(
    '--allow_ilm_indices/--no-allow_ilm_indices',
    help='Allow Curator to operate on Index Lifecycle Management monitored indices.',
    default=False,
    show_default=True
)
@click.option(
    '--filter_list',
    callback=validate_filter_json,
    help='JSON array of filters selecting indices to act on.',
    required=True
)
@click.pass_context
def snapshot(
        ctx, repository, name, ignore_unavailable, include_global_state, partial,
        skip_repo_fs_check, wait_for_completion, wait_interval, max_wait, ignore_empty_list,
        allow_ilm_indices, filter_list
    ):
    """
    Snapshot Indices
    """
    manual_options = {
        'name': name,
        'repository': repository,
        'ignore_unavailable': ignore_unavailable,
        'include_global_state': include_global_state,
        'partial': partial,
        'skip_repo_fs_check': skip_repo_fs_check,
        'wait_for_completion': wait_for_completion,
        'max_wait': max_wait,
        'wait_interval': wait_interval,
        'allow_ilm_indices': allow_ilm_indices,
    }
    # ctx.info_name is the name of the function or name specified in @click.command decorator
    action = cli_action(
        ctx.info_name, ctx.obj['config']['client'], manual_options, filter_list, ignore_empty_list)
    action.do_singleton_action(dry_run=ctx.obj['dry_run'])
