#!/usr/bin/env python3
# Copyright (c) 2018 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.

import os
import sys
import argparse
import json

def perform_pre_checks():
    mock_result_path = os.path.join(os.getcwd(), "mock_result")
    if(os.path.isfile(mock_result_path)):
        with open(mock_result_path, "r", encoding="utf8") as f:
            mock_result = f.read()
        if mock_result[0]:
            sys.stdout.write(mock_result[2:])
            sys.exit(int(mock_result[0]))

def enumerate(args):
  sys.stdout.write(json.dumps([{"fingerprint": "00000001", "type": "trezor", "model": "trezor_t"}, {"fingerprint": "00000002"}]))

parser = argparse.ArgumentParser(prog='./signer.py', description='External signer mock')
subparsers = parser.add_subparsers(description='Commands', dest='command')
subparsers.required = True

parser_enumerate = subparsers.add_parser('enumerate', help='list available signers')
parser_enumerate.set_defaults(func=enumerate)

args = parser.parse_args()

perform_pre_checks()

args.func(args)