"""
Silique (https://www.silique.fr)
Copyright (C) 2025

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Mtools 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with Mtools.  If not, see <http://www.gnu.org/licenses/>.
"""
from warnings import warn
from rougail.user_datas import UserDatas


def load(rougailconfig: "RougailConfig",
         yaml_file: str=None,
         env_prefix: str=None,
         commandline: bool=False,
         display_warnings: bool=True,
         raise_on_error: bool=True,
         _arguments=None,
         _generate=True
         ):
    if _generate:
        rougailconfig.generate_config()
    cmd_config = rougailconfig.config
    origin_prop = cmd_config.property.exportation()
    cmd_config.property.read_write()
    user_datas = []
    if yaml_file:
        user_datas.extend(from_yaml(cmd_config, yaml_file))
    if env_prefix:
        user_datas.extend(from_env(cmd_config, env_prefix))
    if commandline:
        user_datas.extend(from_cmdline(cmd_config, _arguments))
    user_data = UserDatas(cmd_config).user_datas(user_datas)
    if display_warnings and user_data["warnings"]:
        for warning in user_data["warnings"]:
            warn(warning)
    if raise_on_error and user_data["errors"]:
        raise Exception(user_data["errors"][0])
    cmd_config.property.importation(origin_prop)
    return user_data


def from_yaml(cmd_config, yaml_file):
    from rougail.user_data_yaml import RougailUserDataYaml
    fake_rougail_config = {
        "step.user_data": ["yaml"],
        "yaml.filename": [yaml_file],
        "yaml.file_with_secrets": "all",
    }
    return RougailUserDataYaml(cmd_config,
                               rougailconfig=fake_rougail_config,
                               ).run()


def from_env(cmd_config, env_prefix):
    from rougail.user_data_environment import RougailUserDataEnvironment
    fake_rougail_config = {
        "step.user_data": ["environment"],
        "environment.default_environment_name": env_prefix,
    }
    return RougailUserDataEnvironment(
            cmd_config,
            rougailconfig=fake_rougail_config,
        ).run()


def from_cmdline(cmd_config, arguments):
    from rougail.user_data_commandline import RougailUserDataCommandline
    fake_rougail_config = {
        "step.user_data": ["commandline"],
    }
    return RougailUserDataCommandline(cmd_config,
            rougailconfig=fake_rougail_config,
            short_name_max_len=2,
            arguments=arguments,
        ).run()