# calendar.py
# Sends message to your nabaztag to read out your remaining events for the current day from your Google Calendar
# Created by Mike McGurrin
# November 14, 2009
# May be freely used for non-commercial use
# Contact author for commercial use

# To use, replace [paste your username here] with your calendar username, replace [paste your private key here]
# with your private key from Google Calendar, and replace 'Mike' in text strings with your name (unless you're named Mike!)

# Also requires a file in the same directory called wxBunnyFile.txt
# 1st line is nabaztag serial number (mac), 2nd line is token, 3rd line is voice to use

""" Accesses a Google calendar event feed.  Sends remaining events for the day as msg. to Nabaztag"""
import gdata.calendar.service
import gdata.service
import atom.service
import gdata.calendar
import atom
import getopt
import sys
import string
import time
import datetime
from Nabaztag import *

# Function that makes a query with a date range, with the events sorted by start time
def DateRangeQuery(calendar_service, start_date, end_date):
""" Make a date ranged query to calendar service.  Return the feed result"""
  query = gdata.calendar.service.CalendarEventQuery(username, visibility, projection)
  query.start_min = start_date
  query.start_max = end_date
  query.orderby = "starttime"
  query.sortorder = "ascending" 
  feed = calendar_service.CalendarQuery(query)
  return feed

# Set basic parameters for the query
username = '[paste your username here]'
visibility = 'private-[paste your private key here]'
projection = 'full'

# Set start and end dates for events returned, in proper format
# In this case, current day and next day (exclusive)
today=datetime.datetime.today()
todaysDate = datetime.datetime.isoformat(today)
tomorrowsDate = datetime.datetime.isoformat(today+datetime.timedelta(days=1))

calendar_service = gdata.calendar.service.CalendarService()

# Make the query
feed = DateRangeQuery(calendar_service, todaysDate, tomorrowsDate)

# Process results and build output strings
# Currently inefficient naive concatenation.  Use list of strings and join at the end (can use ''.join
conclusion = 'Have a great day!'
eventString = ''
if feed.entry:
  announce = "events on Mike's calendar for " + today.strftime('%A %B %d.\t')
  for i, an_event in enumerate(feed.entry):
    eventString=eventString+'\n'+str(an_event.title.text)
    for a_location in an_event.where:
      if a_location.value_string is not None:
        eventString=eventString+'. at '+str(a_location.value_string)
    if an_event.text is not None:
      eventString=eventString+'. '+str(an_event.text)
    for a_when in an_event.when:
      start = a_when.start_time
      end = a_when.end_time
  # Convert start time to appropriate strings to be read aloud
      splitStart = start.split('T')
      splitStart = splitStart[1].split(':')
  # Convert from 24 hour to 12 hour clock for the hour
      startHour = int(splitStart[0]) % 12
      if startHour == 0: startHour = 12
      startHourString = str(startHour)
      startMinuteString = splitStart[1]
      if startMinuteString == '00': startMinuteString = ' '
      startString = startHourString+' '+startMinuteString
  # Convert end time to appropriate strings to be read aloud
      splitEnd = end.split('T')
      splitEnd = splitEnd[1].split(':')
  # Convert from 24 hour to 12 hour clock for the hour
      endHour = int(splitEnd[0]) % 12
      if endHour == 0: endHour = 12
      endHourString = str(endHour)
      endMinuteString = splitStart[1]
      if endMinuteString == '00': endMinuteString = ' '
      endString = endHourString+' '+endMinuteString
  # Now add to the string
      eventString=eventString+'. Starting at '+startString+' and ending at '+endString+'.'
         
else:   # There are no events for the day
  announce = "Mike has no events scheduled for today. "
  
# Read the bunny info, desired voice, and zip code 
bunnyFile = open('wxBunnyFile.txt', "r")
data = bunnyFile.readlines()
# Strip of the new line characters
sn=data[0][:-1]  
token=data[1][:-1]
voice=data[2][:-1]
#Last row may not have a new line character, depending on edits
if data[3][-1] == "/n":
    zip=data[3][:-1]
zip=data[3]
bunnyFile.close()
# Create bunny object
myNab = Nabaztag(sn, token)

# Send text to speech using Ryan voice
msg = "%s%s%s" % (announce, eventString, conclusion)
myNab.say(msg,voice)