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

from subject import main

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 - role
def assumeRole(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('role', nargs='?',default=None)

    args = parser.parse_args()

    #Check number of arguments
    if not args.session or not args.role:
        logger.error("Need session file and username.")
        sys.exit(1)

    # Check for session file
    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)

    # # Get roles in session
    # try:
    #     req = requests.get(f'http://{state['REP_ADDRESS']}/role/session/list', headers={'Authorization': args.session['token']})
    #     req.raise_for_status()
    # except requests.exceptions.RequestException as errex:
    #     logger.error("Failed to obtain response from server.")
    #     sys.exit(-1)
    #
    # # Validate role name
    # roles = req.json()
    # if args.role not in roles.items():
    #     logger.error("Role does not exist.")
    #     sys.exit(1)


    # TODO:
    try:
        req = requests.post(f'http://{state['REP_ADDRESS']}/role/session/assume/' + args.role, headers={'Authorization': args.session['token']})
        req.raise_for_status()
    except requests.exceptions.RequestException as errex:
        logger.error("Failed to obtain response from server.")
        sys.exit(-1)

    logger.info("You assumed the role %s.", args.role)
    sys.exit(0)
    
if __name__ == '__main__':
    assumeRole(sys.argv[1:])