#!/usr/bin/python2.6
# Copyright (c) 2010, 2012 Adam Tauno Williams <awilliam@whitemice.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.F
#

# TODO: Implement

from coils.core  import *
import getopt, sys, os, pprint
from coils.core.icalendar import Parser as ICS_Parser

def usage():
    print """
    --file=      The ICS file to parse.
    --update     Process the parsed data, updating an existing appointment.
    --create     Process the parsed data, creating a new appointment.
    """
    return

def main(argv):

    # Process command line arguements
    if (len(argv) == 0):
        usage()
        sys.exit(2)
    try:
        opts, args = getopt.getopt(argv,
                                   "hfcu",
                                  ["help", 'update', 'create', 'file='])
    except getopt.GetoptError, e:
        print e
        usage()
        sys.exit(2)
    update = False
    create = False
    for opt, arg in opts:
        if opt in ("-h", "--help"):
            usage()
            sys.exit(0)
        elif (opt in ('-f', '--file')):
            filename = arg
        elif (opt in ('-u', '--update')):
            update = True
        elif (opt in ('-c', '--create')):
            create = True

    # Initialize COILs
    initialize_COILS({'log_file': '{0}/coils.log'.format(os.getenv('HOME'))})
    context = AdministrativeContext()
    try:
        handle = open(filename, 'rb')
        payload = handle.read()
        handle.close()
    except Exception, e:
        print 'Unable to read the specified file.'
        print e
        sys.exit(1)
    values = None
    try:
        values = ICS_Parser.Parse(payload, context)
    except Exception, e:
        print 'Unable to parse iCalendar data.'
        print e
    pprint.pprint(values)
    if (create):
        ctx = AdministrativeContext()
        initialize_COILS()
        pprint.pprint(ctx.run_command('appointment::new', values=values))

if __name__ == "__main__":
    main(sys.argv[1:])
