#!/usr/bin/env python

import os

# TODO: récupérer email et id depuis STDIN.
keyDir = "/etc/wireguard/keys"
configDir = "/etc/wireguard"

# IO: 
#   (mail)
#   (dossier clés)
#   (dossier config)
# 1- Créer clé pv pb
pvKeyDest = "/etc/wireguard/keys/ohian.key"
pubKeyDest = "/etc/wireguard/keys/ohian.public"


genKeyCommand = "wg genkey | tee {0} | wg pubkey > {1}".format(pvKeyDest, pubKeyDest) 
genKeyCommand = "wg genkey | tee /etc/wireguard/keys/ohian.key | wg pubkey > /etc/wireguard/keys/ohian.public"
os.system(genKeyCommand)

# 2- Créer fichier interface 
ifaceName = "wg10"
ifaceAddrv4 = "10.0.0.10"
ifaceFileName = configDir + "/" + ifaceName + ".conf"
ifaceConfig = '''
auto {0} 
iface {1} inet static
        address {2}
        netmask 255.255.255.0
        pre-up ip link add $IFACE type wireguard
        pre-up wg setconf $IFACE /etc/wireguard/$IFACE.conf
        post-down ip link del $IFACE
'''.format(ifaceName, ifaceName, ifaceAddrv4)
ifaceFile = os.open(ifaceFileName, "w")
ifaceFile.write(ifaceStr)
ifaceFile.close()
# 3- Créer config wg
# 
wgFileName = ""
wgPeerPubKey = ""
wgPrivKey = ""
wgConfig = '''
[Interface]
PrivateKey = {0} 
ListenPort = 51820

[Peer]
PublicKey = {1}
AllowedIPs = 0.0.0.0/24
'''.format(wgPrivPubKey, wgPeerPubKey)
wgFile = os.open(wgFileName, "w")
wgFile.write(wgConfig)
wgFile.close()
# 4- Envoyer mail/afficher instructions