# standard imports
import logging
import importlib

# local imports
from cic import Proof
from cic.meta import Meta
from cic.attachment import Attachment
from cic.network import Network

logg = logging.getLogger(__name__)


def process_args(argparser):
    argparser.add_argument('-d', '--directory', type=str, dest='directory', default='.', help='directory')
    argparser.add_argument('-y', '--signer', type=str, dest='signer', help='target-specific signer to use for export')
    argparser.add_argument('target', type=str, help='target network type')


def validate_args(args):
    pass


def execute(config, eargs):
    modname = 'cic.ext.{}'.format(eargs.target)
    cmd_mod = importlib.import_module(modname)

    cp = Proof(path=eargs.directory)
    cm = Meta(path=eargs.directory)
    ca = Attachment(path=eargs.directory)
    cn = Network(eargs.directory)

    cp.load()
    cm.load()
    ca.load()
    cn.load()

    ref = cn.reference(eargs.target)
    logg.debug('found reference {} for target {}'.format(ref, eargs.target))
    getattr(cmd_mod, 'new')(ref, ca.get(), signer_hint=eargs.signer)