# This program places questions in an existing homework assignment
from canvasapi import Canvas
from canvasapi import exceptions as canvas_exceptions
from os import chdir, listdir
import csv
from time import sleep


# location of the questions
API_URL = 'https://asu.instructure.com'
API_KEY = '''put api key here'''

# Initialize a new Canvas object
canvas = Canvas(API_URL, API_KEY)
print('type of canvas:',type(canvas))

# test course
courseno = '''canvas course number for your courses'''  #mat343

course = canvas.get_course(courseno)

inventory = []
with open('/Volumes/NO NAME/inventoryQ3_mat343.txt','r') as f :
   csvreader = csv.reader(f, delimiter='\t')
   for row in csvreader :
      inventory += [row]


assignment_name = 'quiz3'
# get all the assignments from the Canvas course
assignments = course.get_assignments()
# assignments is a paginated list 
# run through until you find the one you want 
for a in assignments:
   if assignment_name in a.name:
      assignment = a
      print('assignment:', assignment)
   else :
      print(a)
      continue

'''note that you need to set the assignment submission type to online:file_uploads, and the dates of submission need to include the date that you're actually submitting'''


for indx in range(len(inventory)) :
   row = inventory[ indx ]
   if row[5][-4:] != '.pdf' :
      print('row has no filename:',row)
      continue
   print(row[0],row[1])
   stu_id = row[1]
   # This is the ID from the Canvas gradebook for the student

   # The assignment must already exist in Canvas, be sure to create it first
   # The assignment name is a unique portion of the assignment name in canvas
    
   
   # location of the file to upload
   file_name = '/Volumes/NO NAME/quiz3/' + row[ 5 ]
   # Uploading directly to the assignment submission generates an error.
   # First upload the file and associate with the student
   try :
      file_submission_tuple = assignment.upload_to_submission(file_name, user=stu_id)
   except canvas_exceptions.Forbidden as err :
      print('forbidden exception#1', row[0], row[1], err)
      continue
   # get the dictionary of information about the file that includes the id of the file

   file_submission = file_submission_tuple[1]
   #print('file_submission', file_submission)

   # create a submission for the student

   submission = {}
   submission[ 'user_id' ] = stu_id
   submission[ 'submission_type' ] = 'online_upload'

   # the file has already been uploaded to canvas
   # associate the file with this submission here
   # I believe this "tricks" Canvas into thinking the student uploaded the file

   submission['file_ids'] = [file_submission['id']]

   # create a dictionary with the details of the submission
   try :
      assignment.submit(submission)
   except canvas_exceptions.Forbidden as err :
      print('forbidden exception#2', row[0], err)
      continue

   # grading requires updating the subission.  Probably because canvas thinks the initial submission comes from the student

   submission = assignment.get_submission(stu_id)
   submission.edit(submission={'posted_grade':row[3]})
   sleep(1)
   

#   // The submission's assignment id
#   "assignment_id": 23,
#   // The submission's assignment (see the assignments API) (optional)
#   "assignment": null,
#   // The submission's course (see the course API) (optional)
#   "course": null,
#   // This is the submission attempt number.
#   "attempt": 1,
#   // The content of the submission, if it was submitted directly in a text field.
#   "body": "There are three factors too...",
#   // The grade for the submission, translated into the assignment grading scheme
#   // (so a letter grade, for example).
#   "grade": "A-",
#   // A boolean flag which is false if the student has re-submitted since the
#   // submission was last graded.
#   "grade_matches_current_submission": true,
#   // URL to the submission. This will require the user to log in.
#   "html_url": "http://example.com/courses/255/assignments/543/submissions/134",
#   // URL to the submission preview. This will require the user to log in.
#   "preview_url": "http://example.com/courses/255/assignments/543/submissions/134?preview=1",
#   // The raw score
#   "score": 13.5,
#   // Associated comments for a submission (optional)
#   "submission_comments": null,
#   // The types of submission ex:
#   // ('online_text_entry'|'online_url'|'online_upload'|'online_quiz'|'media_record
#   // ing'|'student_annotation')
#   "submission_type": "online_text_entry",
#   // The timestamp when the assignment was submitted
#   "submitted_at": "2012-01-01T01:00:00Z",
#   // The URL of the submission (for 'online_url' submissions).
#   "url": null,
#   // The id of the user who created the submission
#   "user_id": 134,
#   // The id of the user who graded the submission. This will be null for
#   // submissions that haven't been graded yet. It will be a positive number if a
#   // real user has graded the submission and a negative number if the submission
#   // was graded by a process (e.g. Quiz autograder and autograding LTI tools). 
#   // Specifically autograded quizzes set grader_id to the negative of the quiz id.
#   // Submissions autograded by LTI tools set grader_id to the negative of the tool
#   // id.
#   "grader_id": 86,
#   "graded_at": "2012-01-02T03:05:34Z",
#   // The submissions user (see user API) (optional)
#   "user": null,
#   // Whether the submission was made after the applicable due date
#   "late": false,
#   // Whether the assignment is visible to the user who submitted the assignment.
#   // Submissions where `assignment_visible` is false no longer count towards the
#   // student's grade and the assignment can no longer be accessed by the student.
#   // `assignment_visible` becomes false for submissions that do not have a grade
#   // and whose assignment is no longer assigned to the student's section.
#   "assignment_visible": true,
#   // Whether the assignment is excused.  Excused assignments have no impact on a
#   // user's grade.
#   "excused": true,
#   // Whether the assignment is missing.
#   "missing": true,
#   // The status of the submission in relation to the late policy. Can be late,
#   // missing, extended, none, or null.
#   "late_policy_status": "missing",
#   // The amount of points automatically deducted from the score by the
#   // missing/late policy for a late or missing assignment.
#   "points_deducted": 12.3,
#   // The amount of time, in seconds, that an submission is late by.
#   "seconds_late": 300,
#   // The current state of the submission
#   "workflow_state": "submitted",
#   // Extra submission attempts allowed for the given user and assignment.
#   "extra_attempts": 10,
#   // A unique short ID identifying this submission without reference to the owning
#   // user. Only included if the caller has administrator access for the current
#   // account.
#   "anonymous_id": "acJ4Q",
#   // The date this submission was posted to the student, or nil if it has not been
#   // posted.
#   "posted_at": "2020-01-02T11:10:30Z",
#   // The read status of this submission for the given user (optional). Including
#   // read_status will mark submission(s) as read.
#   "read_status": "read",
#   // This indicates whether the submission has been reassigned by the instructor.
#   "redo_request": true
# }