#!/usr/bin/env python3

import argparse
import logging
import os
import os.path
import sys

from dsc import SeafileClient, const
from dsc.misc import setup_uid, create_dir

_lg = logging.getLogger('dsc')


def main():
    logging.basicConfig(format="%(asctime)s %(message)s", level=logging.INFO)

    parser = argparse.ArgumentParser()
    parser.add_argument("--uid", default=os.getenv("SEAFILE_UID", default=1000), type=int)
    parser.add_argument("--gid", default=os.getenv("SEAFILE_GID", default=1000), type=int)
    parser.add_argument("--host", default=os.getenv("SERVER_HOST"))
    parser.add_argument("--username", default=os.getenv("USERNAME"))
    parser.add_argument("--password", default=os.getenv("PASSWORD"))
    parser.add_argument("--libs", default=os.getenv("LIBRARY_ID"))
    args = parser.parse_args()

    setup_uid(args.uid, args.gid)
    create_dir(const.DEFAULT_APP_DIR)

    client = SeafileClient(args.host, args.username, args.password, const.DEFAULT_APP_DIR)
    client.init_config()
    client.start_daemon()

    libs_to_sync = set()
    for arg_lib in args.libs.split(sep=":"):
        lib_id = client.get_library_id(arg_lib)
        if lib_id:
            libs_to_sync.add(lib_id)
        else:
            _lg.warning("Library %s is not found on server %s", arg_lib, args.host)

    # don't start to sync libraries already in sync
    libs_to_sync -= client.get_local_libraries()

    # check for deprecated /data directory
    if os.path.isdir(const.DEPRECATED_LIBS_DIR):
        _lg.warning("*** DEPRECATED DIRECTORY FOUND ***")
        _lg.warning("Deprecated directory %s is found, please mount your host directory with"
                    " libraries to %s instead", const.DEPRECATED_LIBS_DIR, const.DEFAULT_LIBS_DIR)
        libs_dir = const.DEPRECATED_LIBS_DIR
    else:
        libs_dir = const.DEFAULT_LIBS_DIR

    for lib_id in libs_to_sync:
        client.sync_lib(lib_id, libs_dir)
    client.watch_status()

    return 0


if __name__ == "__main__":
    sys.exit(main())