"""BSFS tools.

Part of the BlackStar filesystem (bsfs) module.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# imports
import argparse
import typing

# module imports
import bsfs
import bsfs.apps

# exports
__all__: typing.Sequence[str] = (
    'main',
    )

# config
apps = {
    'init'      : bsfs.apps.init,
    'migrate'   : bsfs.apps.migrate,
    }


## code ##

def main(argv):
    """Black Star File System maintenance tools."""
    parser = argparse.ArgumentParser(description=main.__doc__, prog='bsfs')
    # version
    parser.add_argument('--version', action='version',
        version='%(prog)s version {}.{}.{}'.format(*bsfs.version_info))
    # application selection
    parser.add_argument('app', choices=apps.keys(),
        help='Select the application to run.')
    # dangling args
    parser.add_argument('rest', nargs=argparse.REMAINDER)
    # parse
    args = parser.parse_args()
    # run application
    apps[args.app](args.rest)

   
## main ##

if __name__ == '__main__':
    import sys
    main(sys.argv[1:])

## EOF ##