#!/usr/bin/env python3
from configparser import ConfigParser
import socket

from re2oapi import Re2oAPIClient

from jinja2 import Environment, FileSystemLoader

config = ConfigParser()
config.read('config.ini')

api_hostname = config.get('Re2o', 'hostname')
api_password = config.get('Re2o', 'password')
api_username = config.get('Re2o', 'username')



api_client = Re2oAPIClient(api_hostname, api_username, api_password)

client_hostname = socket.gethostname().split('.', 1)[0]

print("get switchs conf")
all_switchs = api_client.list("switchs/ports-config/")
all_vlans =  api_client.list("machines/vlan/")
all_roles = api_client.list("machines/role/")

# Création de l'environnement Jinja
ENV = Environment(loader=FileSystemLoader('.'))

# Import du fichier template dans une variable "template"
template = ENV.get_template("templates/hp.tpl")

# Création du template final avec les valeurs contenues dans le dictionnaire "valeurs" - Ces valeurs sont positionnées dans un objet "temp", qui sera utilisé par le moteur, et que l'on retrouve dans le template.

def preprocess(switch):
    def add_to_vlans(vlans, vlan, port, tagged=True):
        if not vlan['vlan_id'] in vlans:
            if not tagged:
                vlans[vlan['vlan_id']] = {'ports_untagged' : [str(port['port'])], 'ports_tagged' : [], 'name' : vlan['name']}
            else:
                vlans[vlan['vlan_id']] = {'ports_tagged' : [str(port['port'])], 'ports_untagged' : [], 'name' : vlan['name']}
        else:
            if not tagged:
                vlans[vlan['vlan_id']]['ports_untagged'].append(str(port['port']))
            else:
                vlans[vlan['vlan_id']]['ports_tagged'].append(str(port['port']))

    ra_guarded = []
    loop_protected = []
    vlans = dict()

    for port in switch['ports']:
        if port['get_port_profil']['loop_protect']:
            loop_protected.append(str(port['port']))
        if port['get_port_profil']['ra_guard']:
            ra_guarded.append(str(port['port']))

        if port['get_port_profil']['vlan_untagged']:
            add_to_vlans(vlans, port['get_port_profil']['vlan_untagged'], port, tagged=False)
        if port['get_port_profil']['vlan_tagged']:
            for vlan in port['get_port_profil']['vlan_tagged']:
                add_to_vlans(vlans, vlan, port)

    arp_protect_vlans = [vlan["vlan_id"] for vlan in all_vlans if vlan["arp_protect"]]
    dhcp_snooping_vlans = [vlan["vlan_id"] for vlan in all_vlans if vlan["dhcp_snooping"]]
    dhcpv6_snooping_vlans = [vlan["vlan_id"] for vlan in all_vlans if vlan["dhcpv6_snooping"]]
    ntp_servers = [server["servers"] for server in all_roles if server["role_type"] == "ntp-server"][0]
    log_servers = [server["servers"] for server in all_roles if server["role_type"] == "log-server"][0]

    return {'ra_guarded' : ra_guarded, 'loop_protected' : loop_protected, 'vlans' : vlans, 'arp_protect_vlans' : arp_protect_vlans, 'dhcp_snooping_vlans' : dhcp_snooping_vlans, 'dhcpv6_snooping_vlans' : dhcpv6_snooping_vlans, 'ntp_servers': ntp_servers, 'log_servers': log_servers}

print("gen tpl")
conf = template.render(switch=all_switchs[2], additionals=preprocess(all_switchs[2]))

for switch in all_switchs:
    with open("generated/" + switch["short_name"] + ".conf", 'w+') as f:
        f.write(template.render(switch=switch, additionals=preprocess(switch)))


print(conf)