#!/usr/local/bin/python3.11
# SPDX-License-Identifier: AGPL-3.0-only

import os
import sys
import locale

from MAPI import MAPI_BCC, RELOP_EQ, TBL_BATCH, MAPI_DEFERRED_ERRORS, MODRECIP_ADD, MAPI_BEST_ACCESS
from MAPI.Defs import PpropFindProp
from MAPI.Util import OpenECSession, GetDefaultStore
from MAPI.Struct import SPropValue, SSubRestriction, SNotRestriction, SPropertyRestriction
from MAPI.Tags import (PR_ACCOUNT, PR_ADDRTYPE, PR_DISPLAY_NAME, PR_DISPLAY_TYPE, PR_DISPLAY_TYPE_EX,
                       PR_SEARCH_KEY, PR_ENTRYID, PR_EMAIL_ADDRESS, PR_OBJECT_TYPE, PR_SMTP_ADDRESS,
                       PR_RECIPIENT_TYPE, PR_RECIPIENT_FLAGS, PR_RECIPIENT_TRACKSTATUS,
                       PR_RECIPIENT_ENTRYID, PR_IPM_APPOINTMENT_ENTRYID, PR_MESSAGE_RECIPIENTS)


def GetSelfRecipient(session):
    ab = session.OpenAddressBook(0, None, 0)
    identity = session.QueryIdentity()
    user = ab.OpenEntry(identity, None, 0)
    props = user.GetProps([PR_ACCOUNT, PR_ADDRTYPE, PR_DISPLAY_NAME, PR_DISPLAY_TYPE, PR_DISPLAY_TYPE_EX,
                           PR_EMAIL_ADDRESS, PR_ENTRYID, PR_OBJECT_TYPE, PR_SEARCH_KEY, PR_SMTP_ADDRESS], 0)
    props += [SPropValue(PR_RECIPIENT_ENTRYID, PpropFindProp(props, PR_ENTRYID).Value),
              SPropValue(PR_RECIPIENT_FLAGS, 256 | 1),
              SPropValue(PR_RECIPIENT_TRACKSTATUS, 0),
              SPropValue(PR_RECIPIENT_TYPE, MAPI_BCC)]
    return props


def AddRecipientToAppointments(calendar, recip):
    ctable = calendar.GetContentsTable(MAPI_DEFERRED_ERRORS)
    ctable.SetColumns([PR_ENTRYID], TBL_BATCH)
    res = SNotRestriction(SSubRestriction(PR_MESSAGE_RECIPIENTS,
                          SPropertyRestriction(RELOP_EQ, PR_SEARCH_KEY, PpropFindProp(recip, PR_SEARCH_KEY))
                         ))
    ctable.Restrict(res, TBL_BATCH)
    rows = ctable.QueryRows(2147483647, 0)
    print('Updating %d items' % len(rows))
    for row in rows:
        msg = calendar.OpenEntry(row[0].Value, None, MAPI_BEST_ACCESS)
        msg.ModifyRecipients(MODRECIP_ADD, [recip])
        msg.SaveChanges(0)
    print('Done')


def main(argv=None):
    if argv is None:
        argv = sys.argv
    if len(argv) < 2:
        print('Usage: %s <username>' % argv[0])
        return 1
    session = OpenECSession(argv[1], "", os.getenv("KOPANO_SOCKET", "default:"))
    store = GetDefaultStore(session)
    root = store.OpenEntry(None, None, 0)
    ceid = root.GetProps([PR_IPM_APPOINTMENT_ENTRYID], 0)[0]
    calendar = store.OpenEntry(ceid.Value, None, MAPI_BEST_ACCESS)
    recip = GetSelfRecipient(session)
    AddRecipientToAppointments(calendar, recip)
    return 0


if __name__ == '__main__':
    locale.setlocale(locale.LC_ALL, '')
    sys.exit(main())
