'''Monitor changes to the tag markup files and update symlinks when necessary.'''

import pyinotify
import sys
from lib.tagfiles import TagCollection
from update_hierarchy import update_symlinks
from lib.daemon import Daemon

class DigitagDaemon(Daemon):
    name = 'digitagdaemon'
    loggingsubject = 'DigitagDaemon'
    logdir = '/home/petteri/digitag/logs'
    
    def __init__(self, path):
        Daemon.__init__(self)
        self.path = path
    
    def do_update(self):
        tc = TagCollection()
        tc.import_recursively(self.path, 'Merkinnat.txt')
        
        if tc.msgs:
            self.logger.warning('Import messages:\n' + '\n'.join(tc.msgs))
        
        msgs = []
        update_symlinks(self.path, os.path.join(path, 'Luokiteltuna'), tc, msgs)
        
        if msgs:
            self.logger.warning('Symlink creation messages:\n' + '\n'.join(msgs))
        
        return tc.msgs + msgs
    
    def run(self):
        class EventProcessing:
            def process_IN_
        
        wm = pyinotify.WatchManager()
        notifier = pyinotify.Notifier(wm, 
    


if __name__ == '__main__':
    if len(sys.argv) != 2:
        sys.stderr.write('Usage: ' + sys.argv[0] + ' basedirectory\n')
        sys.exit(1)
    
    d = DigitagDaemon(sys.argv[1])
    msgs = d.do_update()
    
    if msgs:
        print 'Startup messages:\n' + '\n'.join(msgs)

    d.start()