#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import os
import shutil
import cme
import configparser
from configparser import NoSectionError, NoOptionError
from cme.paths import CME_PATH, CONFIG_PATH, TMP_PATH
from cme.cmedb import initialize_db


def first_run_setup(logger):
    if not os.path.exists(TMP_PATH):
        os.mkdir(TMP_PATH)

    if not os.path.exists(CME_PATH):
        logger.display('First time use detected')
        logger.display('Creating home directory structure')
        os.mkdir(CME_PATH)

    folders = ['logs', 'modules', 'protocols', 'workspaces', 'obfuscated_scripts', 'screenshots']
    for folder in folders:
        if not os.path.exists(os.path.join(CME_PATH, folder)):
            logger.display("Creating missing folder {}".format(folder))
            os.mkdir(os.path.join(CME_PATH, folder))

    initialize_db(logger)

    if not os.path.exists(CONFIG_PATH):
        logger.display('Copying default configuration file')
        default_path = os.path.join(os.path.dirname(cme.__file__), 'data', 'cme.conf')
        shutil.copy(default_path, CME_PATH)
    else:
        # This is just a quick check to make sure the config file isn't the old 3.x format
        try:
            config = configparser.ConfigParser()
            config.read(CONFIG_PATH)
            config.get('CME', 'workspace')
            config.get('CME', 'pwn3d_label')
            config.get('CME', 'audit_mode')
            config.get('BloodHound', 'bh_enabled')
            config.get('CME', 'log_mode')
        except (NoSectionError, NoOptionError):
            logger.display('Old configuration file detected, replacing with new version')
            default_path = os.path.join(os.path.dirname(cme.__file__), 'data', 'cme.conf')
            shutil.copy(default_path, CME_PATH)

    # if not os.path.exists(CERT_PATH):
    #     logger.display('Generating SSL certificate')
    #     try:
    #         check_output(['openssl', 'help'], stderr=PIPE)
    #         if os.name != 'nt':
    #             os.system('openssl req -new -x509 -keyout {path} -out {path} -days 365 -nodes -subj "/C=US" > /dev/null 2>&1'.format(path=CERT_PATH))
    #         else:
    #             os.system('openssl req -new -x509 -keyout {path} -out {path} -days 365 -nodes -subj "/C=US"'.format(path=CERT_PATH))
    #     except OSError as e:
    #         if e.errno == errno.ENOENT:
    #             logger.error('OpenSSL command line utility is not installed, could not generate certificate, using default certificate')
    #             default_path = os.path.join(os.path.dirname(cme.__file__), 'data', 'default.pem')
    #             shutil.copy(default_path, CERT_PATH)                
    #         else:
    #             logger.error('Error while generating SSL certificate: {}'.format(e))
    #             sys.exit(1)