from ipaddress import ip_interface

directories = {
    '/etc/icinga2': {
       'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
   '/etc/icinga2/pki': { # required for apt install
       'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
   '/etc/icinga2/zones.d': { # required for apt install
       'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d': {
        'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/hosts.d': {
        'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/features-available': {
        'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/features-enabled': {
        'purge': True,
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/scripts': {
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/var/lib/icinga2': {
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0750',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/var/lib/icinga2/certs': {
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0700',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
}

files = {
    '/etc/icinga2/icinga2.conf': {
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/constants.conf': {
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'context': {
            'hostname': node.metadata.get('icinga2/hostname')
        },
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/zones.conf': {
        'content_type': 'mako',
        'context': {
            'hostname': node.metadata.get('icinga2/hostname')
        },
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/api-users.conf': {
        'source': 'conf.d/api-users.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'context': {
            'users': node.metadata.get('icinga2/api_users'),
        },
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/app.conf': {
        'source': 'conf.d/app.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/commands.conf': {
        'source': 'conf.d/commands.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/groups.conf': {
        'source': 'conf.d/groups.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/notifications.conf': {
        'source': 'conf.d/notifications.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/templates.conf': {
        'source': 'conf.d/templates.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/etc/icinga2/conf.d/timeperiods.conf': {
        'source': 'conf.d/timeperiods.conf',
        'content_type': 'mako',
        'owner': 'nagios',
        'group': 'nagios',
        'mode': '0640',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/var/lib/icinga2/certs/ca.crt': {
        'content_type': 'download',
        'source': f'https://letsencrypt.org/certs/isrg-root-x1-cross-signed.pem',
        'owner': 'nagios',
        'group': 'nagios',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    },
    '/usr/lib/nagios/plugins/check_by_sshmon': {
        'mode': '0755',
    },
}

# FEATURES

for feature, context in {
    'mainlog': {},
#    'journald': {}, FIXME
    'notification': {},
    'checker': {},
    'api': {},
    'ido-pgsql': {
        'db_password': node.metadata.get('postgresql/roles/icinga2/password'),
    },
}.items():
    files[f'/etc/icinga2/features-available/{feature}.conf'] = {
        'content_type': 'mako' if context else 'text',
        'context':  context,
        'source': f'features/{feature}.conf',
        'owner': 'nagios',
        'group': 'nagios',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    }
    symlinks[f'/etc/icinga2/features-enabled/{feature}.conf'] = {
        'target': f'/etc/icinga2/features-available/{feature}.conf',
        'owner': 'nagios',
        'group': 'nagios',
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    }

# HOSTS

for other_node in repo.nodes:
    if other_node.dummy:
        continue
    elif not other_node.in_group('monitored'):
        continue

    files[f'/etc/icinga2/hosts.d/{other_node.name}.conf'] = {
        'content_type': 'mako',
        'source': 'hosts.d/host.conf',
        'owner': 'nagios',
        'context': {
            'host_name': other_node.name,
            'host_settings': {
                'address': str(ip_interface(other_node.metadata.get('network/internal/ipv4', None) or other_node.metadata.get('wireguard/my_ip')).ip),
            },
            'services': other_node.metadata.get('monitoring/services'),
        },
        'triggers': [
            'svc_systemd:icinga2.service:restart',
        ],
    }

svc_systemd = {
    'icinga2.service': {
        'needs': [
            'pkg_apt:icinga2-ido-pgsql',
            'svc_systemd:postgresql',
        ],
    },
}