"""
Silique (https://www.silique.fr)
Copyright (C) 2022-2026

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 Any, List, Optional

from json import dumps

from tiramisu import groups
from tiramisu.error import PropertiesOptionError, ConfigError
from rougail.error import ExtensionError

from .i18n import _
from .__version__ import __version__


class RougailOutputJson:
    output_name = "json"

    def __init__(
        self,
        config: "Config",
        *,
        rougailconfig: "RougailConfig" = None,
        user_data_errors: Optional[list] = None,
        user_data_warnings: Optional[list] = None,
        true_config: "Config" = None,
        **kwargs,
    ) -> None:
        if rougailconfig is None:
            from rougail import RougailConfig

            rougailconfig = RougailConfig
            rougailconfig["step.output"] = self.output_name
        if rougailconfig["step.output"] != self.output_name:
            raise ExtensionError(
                _('the "step.output" is not set to "{0}"').format(self.output_name)
            )
        self.rougailconfig = rougailconfig
        self.config = config
        if true_config:
            self.true_config = true_config
        else:
            self.true_config = config
        try:
            groups.namespace
            self.support_namespace = True
        except AttributeError:
            self.support_namespace = False
        if user_data_errors:
            self.errors = user_data_errors
        else:
            self.errors = []
        if user_data_warnings:
            self.warnings = user_data_warnings
        else:
            self.warnings = []

    def run(self) -> None:
        ret = self.exporter()
        if isinstance(self.dico, str):
            value = self.dico
        else:
            value = dumps(self.dico, ensure_ascii=False, indent=2)
        return ret, value

    def print(self) -> str:
        ret, data = self.run()
        print(data)
        return ret

    def exporter(self) -> None:
        self.dico = {}
        self.manage_warnings()
        if not self.manage_errors():
            return False
        if not self.config.isoptiondescription():
            self.dico = self.config.value.get()
            return True
        self.parse_family(
            self.config,
            self.dico,
            None,
        )
        return self.manage_errors()

    def manage_warnings(self) -> None:
        if not self.warnings:
            return
        warnings = []
        for w in self.warnings:
            if isinstance(w, dict):
                msg, opt = next(iter(w.items()))
                warnings.append(_("{0}: {1}").format(opt.path, msg))
            else:
                warnings.append(w)
        self.dico["_warnings"] = warnings

    def manage_errors(self) -> bool:
        if not self.errors:
            return True
        errors = []
        for e in self.errors:
            if isinstance(e, dict):
                msg, opt = next(iter(e.items()))
                errors.append(_("{0}: {1}").format(opt.path, msg))
            else:
                errors.append(e)
        self.dico["_errors"] = errors
        # self.manage_warnings()
        return False

    def parse_family(
        self,
        parent,
        parent_obj,
        namespace,
    ):
        for child in parent:
            if child.isoptiondescription():
                if child.isleadership():
                    child_obj = []
                    self.parse_sequence(
                        child,
                        child_obj,
                    )
                else:
                    if (
                        namespace is None
                        and self.support_namespace
                        and child.group_type() is groups.namespace
                    ):
                        subnamespace = child.name()
                    else:
                        subnamespace = namespace
                    child_obj = self.get_default_family(child)
                    self.parse_family(child, child_obj, subnamespace)
                self.family_informations(parent, parent_obj, child, child_obj)
            else:
                self.variable_informations(parent_obj, child)

    def parse_sequence(
        self,
        child,
        obj,
    ):
        leader, *followers = list(child)
        leader_values = leader.value.get()
        for idx, leader_value in enumerate(leader_values):
            leader_dict = {leader.name(): leader_value}
            obj.append(leader_dict)
            for follower in list(followers):
                if follower.index() != idx:
                    continue
                followers.remove(follower)
                leader_dict[follower.name()] = follower.value.get()

    def get_default_family(self, child):
        return dict()

    def family_informations(self, parent, parent_obj, child, child_obj):
        parent_obj[child.name()] = child_obj

    def variable_informations(self, parent_obj, child):
        parent_obj[child.name()] = child.value.get()


RougailOutput = RougailOutputJson


__all__ = ("RougailOutputJson",)