#!/usr/bin/env python

from arvados.fuse import * 
import arvados


if __name__ == '__main__':
    api = arvados.api()

    # Handle command line parameters
    parser = argparse.ArgumentParser(
        description='Mount Keep data under the local filesystem.')
    parser.add_argument('mountpoint', type=str, help="""Mount point.""")
    parser.add_argument('--collection', type=str, help="""Collection locator""")
    parser.add_argument('--debug', action='store_true', help="""Debug mode""")

    args = parser.parse_args()

    # Create the request handler
    operations = Operations(os.getuid(), os.getgid())

    if args.collection != None:
        # Set up the request handler with the collection at the root
        e = operations.inodes.add_entry(Directory(llfuse.ROOT_INODE))
        operations.inodes.load_collection(e, arvados.CollectionReader(arvados.Keep.get(args.collection)))
    else:
        # Set up the request handler with the 'magic directory' at the root
        operations.inodes.add_entry(MagicDirectory(llfuse.ROOT_INODE, operations.inodes))

    # FUSE options, see mount.fuse(8)
    opts = []

    # Enable FUSE debugging (logs each FUSE request)
    if args.debug:
        opts += ['debug']
    
    # Initialize the fuse connection
    llfuse.init(operations, args.mountpoint, opts)

    # Run the main loop
    #try:
    llfuse.main()
    #except:
    #    llfuse.close(unmount=True)
    #    raise
    #
    #llfuse.close(unmount=True)