# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4

import os
import ed25519

from .pdict import pdict


base_dir = os.path.normpath(os.path.join(os.path.abspath(os.path.dirname(__file__)), '..'))

config_path = os.path.normpath(os.path.join(base_dir, 'config'))
if not os.path.exists(config_path):
    os.makedirs(config_path)

nodes_path = os.path.join(config_path, 'nodes.db')
key_path = os.path.join(config_path, 'node.key')
tls_cert_path = os.path.join(config_path, 'node.tls.crt')
tls_key_path = os.path.join(config_path, 'node.tls.key')


defaults = {
    "address": "127.0.0.1",
    "port": 8842,
    "node_address": "",
    "node_port": 8851,
    "cert": "",
    "directory_service": "http://[2a01:4f8:120:3201::3]:25519",
    "localnode_discovery": True
}
server = pdict(os.path.join(config_path, 'settings.json'), defaults)
services = pdict(os.path.join(config_path, 'services.json'), {})

if os.path.exists(key_path):
    with open(key_path, 'rb') as fd:
        sk = ed25519.SigningKey(fd.read())
        vk = sk.get_verifying_key()
else:
    sk, vk = ed25519.create_keypair()
    with open(key_path, 'wb') as fd:
        os.chmod(key_path, 0o600)
        fd.write(sk.to_bytes())
        os.chmod(key_path, 0o400)

ENCODING='base64'
USER_ID = vk.to_ascii(encoding=ENCODING).decode()

if not os.path.exists(tls_cert_path):
    from .tls import create_certificate
    server['cert'] = create_certificate(tls_key_path, tls_cert_path, USER_ID)

VERSION="0.0"
USER_AGENT = 'PeerLink/%s' % VERSION

TIMEOUT = 5