"""
Silique (https://www.silique.fr)
Copyright (C) 2022-2025
            
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
details.

You should have received a copy of the GNU Lesser General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
"""

from typing import Optional
from json import dumps

from tiramisu import groups
from rougail.utils import normalize_family

from .i18n import _
from .__version__ import __version__
from ..output_json import RougailOutputJson


class RougailOutputAnsible(RougailOutputJson):
    output_name = "ansible"

    def __init__(
        self,
        config: "Config",
        *,
        rougailconfig: "RougailConfig" = None,
        **kwargs,
    ) -> None:
        super().__init__(config, rougailconfig=rougailconfig, **kwargs)
        try:
            groups.namespace
            self.support_namespace = True
        except AttributeError:
            self.support_namespace = False
        self.host_namespace = self.rougailconfig["ansible.host_namespace"]
        self.namespace_is_hostname = self.rougailconfig["ansible.namespace_is_hostname"]

    def exporter(self) -> None:
        super().exporter()
        self.json_to_ansible()
        # never return code 1, error are in the output data
        return True

    def manage_errors(self) -> bool:
        if not super().manage_errors():
            if not self.support_namespace:
                self.errors.append(_('no namespace configured'))
            hosts_config = self.config.option('hosts')
            try:
                if hosts_config.group_type() != groups.namespace:
                    hosts_config = None
            except AttributeError:
                hosts_config = None
            if not hosts_config:
                self.errors.append(_('cannot find host namespace "{0}"').format(self.host_namespace))
            else:
                try:
                    hosts_config.option('hostnames').name()
                except AttributeError:
                    self.errors.append(_('malformated host namespace "{0}", should have the "hostnames" key').format(self.host_namespace))
            return super().manage_errors()
        return True

    def parse_family(
        self,
        conf,
        child,
    ):
        if self.read_write and conf.path() == self.host_namespace:
            self.config.property.read_only()
        super().parse_family(conf, child)
        if self.read_write and conf.path() == self.host_namespace:
            self.config.property.read_write()

    def json_to_ansible(self):
        ret = {"_meta": {"hostvars": {}}, "all": {"children": ["ungrouped"]}}
        if '_warnings' in self.dico:
            ret["_meta"]["hostvars"]["localhost"] = {'_warnings': self.dico.pop('_warnings')}
            ret["ungrouped"] = {"hosts": ["localhost"]}
        if '_errors' in self.dico:
            ret["_meta"]["hostvars"].setdefault("localhost", {})['_errors'] = self.dico.pop('_errors')
            if "ungrouped" not in ret:
                ret["ungrouped"] = {"hosts": ["localhost"]}
        if self.host_namespace in self.dico:
            hosts = self.dico.pop(self.host_namespace)
            if "hostnames" not in hosts:
                ret["_meta"]["hostvars"].setdefault("localhost", {}).setdefault('_errors', []).append(_('cannot find "hostnames" in "{0}" namespace').format(self.host_namespace))
                if "ungrouped" not in ret:
                    ret["ungrouped"] = {"hosts": ["localhost"]}
                hostnames = {}
            else:
                hostnames = hosts['hostnames']
            ret_hosts = {}
            for name, hosts in hostnames.items():
                if 'hosts' in hosts:
                    if 'prefix_name' in hosts:
                        host_name = hosts['prefix_name']
                        add_index = True
                    elif len(hosts["hosts"]) == 1:
                        host_name = hosts["hosts"][0]
                        add_index = False
                    else:
                        raise Exception("cannot find prefix_name")
                    for idx, host in enumerate(hosts['hosts']):
                        index = str(idx + 1)
                        if idx < 9:
                            index = '0' + index
                        if 'prefix_name' in hosts:
                            host_name = hosts['prefix_name'] + index
                        ret_hosts.setdefault(name, {})[host_name] = host
                        ret.setdefault(name, {}).setdefault('hosts', []).append(host_name)
                else:
                    ret["all"]["children"].append(name)
                    ret[name] = hosts
            for hosts in ret_hosts.values():
                for host, domain_name in hosts.items():
                    ret['_meta']['hostvars'][host] = {'ansible_host': domain_name}
                    if self.namespace_is_hostname:
                        host_namespace = normalize_family(host)
                        if host_namespace in self.dico:
                            ret['_meta']['hostvars'][host].update(self.dico[host_namespace])
                    else:
                        ret['_meta']['hostvars'][host].update(self.dico)
        self.dico = ret


RougailOutput = RougailOutputAnsible


__all__ = ("RougailOutputAnsible",)