import os

from bureau import Bureau, add_command
import pyudev


class Archives(Bureau):
    """
    The Archives is the central library resource for the storage and retreival
    of persistent data files. Audio, graphic and textual documents may be 
    managed for the use of any other bureau.
    """

    name = "Central Archives"
    prefix = "AR"
    version = 0

    def __init__(self):
        Bureau.__init__(self)

        # get location of archive root storage from config

    def _mount_and_archive(self, dev):
        # TODO: small print options to import stuff
        print("MOUNTING EXTERNAL MEDIUM: ", dev)

        # pmount dev
        os.system("pmount " + str(dev))
        # path is always /media/device

        #os.walk()

        # walk through the tree looking for mp3 / ogg

        # walk through looking for photos

        # walk through looking for pdfs
        
        # pumount dev

    def run_io(self):
        # monitor for insert of any removable block storage devices (SD/USB)
        context = pyudev.Context()
        monitor = pyudev.Monitor.from_netlink(context)
        monitor.filter_by('block')
        for device in iter(monitor.poll, None):
            if ('ID_FS_TYPE' in device) and (device.action == "add"):
                self._mount_and_archive(device.device_node)


        
def main():
    ar = Archives()
    ar.run()


if __name__ == "__main__":
    main()