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

sys.path.append(os.path.abspath("../"))
from subject import main

#  Identity attributes
# {'username' : '', 'full_name' : '', 'email' : '', public_key : '' }

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

state = main(sys.argv)

#get file
#file handle - file(optonal)
def getFile(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('filehandle', nargs='?', default=None)
    parser.add_argument('file', nargs='?', default=None)

    args = parser.parse_args()


    if not args.filehandle:
        logger.error("Need a file handle.")
        sys.exit(-1)
    else:
        if not os.path.isfile(args.filehandle):
            logger.error("File '" + args.filehandle + "' not found" )

    try:
        file = requests.get(f'http://{state['REP_ADDRESS']}/file', json=json.dumps({"file_handle" : args.filehandle}))
        file.raise_for_status()
    except requests.exceptions.RequestException as errex:
        logger.error("Failed to obtain response from server.")
        sys.exit(1)

    file = json.loads(file)

    # decrypt file
    content = '' #decrypt(file.encode('utf-8'))

    if not args.file:
        sys.stdout.write(content)
    else:
        with open(args.file, "wb") as f:
            f.write(content)

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