#!/bin/python3
import os
import sys
import logging
import requests
import json
import argparse

from subject import main

sys.path.append(os.path.abspath('../../'))
from lib import asymmetric_functs

logging.basicConfig(format='%(levelname)s\t- %(message)s')
logger = logging.getLogger()
logger.setLevel(logging.INFO)

state = main(sys.argv)

BASE_DIR = os.path.join(os.path.expanduser('~'), '.sio/')

# session file - username - name - email - credentials file
def addSubject(args):
    parser = argparse.ArgumentParser()

    parser.add_argument("-k", '--key', nargs=1, help="Path to the key file")
    parser.add_argument("-r", '--repo', nargs=1, help="Address:Port of the repository")
    parser.add_argument("-v", '--verbose', help="Increase verbosity", action="store_true")

    parser.add_argument('session', nargs='?', default=None)
    parser.add_argument('username', nargs='?', default=None)
    parser.add_argument('name', nargs='?', default=None)
    parser.add_argument('email', nargs='?', default=None)
    parser.add_argument('credentials', nargs='?', default=None)

    args = parser.parse_args()

    if not args.session or not args.username or not args.name or not args.email or not args.credentials:
        logger.error("Need session file, username, name, email and credentials file.")
        sys.exit(1)

    if (not os.path.isfile(BASE_DIR + args.session)):
        logger.error("File '" + args.session + "' not found.")
        sys.exit(1)

    # Get session file content
    with open(BASE_DIR + args.session, 'r') as f:
        args.session = json.load(f)

    if (not os.path.isfile(BASE_DIR + args.credentials)):
        logger.error("File '" + args.file + "' not found")
        sys.exit(1)

    pubKey = asymmetric_functs.load_public_key(BASE_DIR + args.credentials)

    subject = {'username' : args.username, 'full_name' : args.name, 'email' : args.email, 'public_key' : pubKey}
    
    try:
        req = requests.post(f'http://{state['REP_ADDRESS']}/user/create', json=json.dumps(subject), headers={'Authorization': args.session['token']})
        req.raise_for_status()

    except requests.exceptions.HTTPError:
        logger.error("%d: %s", req.status_code, req.json()['error'])
        sys.exit(-1)

    except requests.exceptions.RequestException as errex:
        logger.error("Failed to obtain response from server.")
        sys.exit(-1)

    if req.status_code == 201:
        logger.info('Subject %s added.', args.username)
        sys.exit(0)
    logger.error('Failed to add subject.')
    sys.exit(-1)

if __name__ == '__main__':
    addSubject(sys.argv[1:])