"""
Silique (https://www.silique.fr)
Copyright (C) 2022-2024
            
distribued with GPL-2 or later license
            
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 2 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 General Public License for more details.
                    
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
"""

from tiramisu.error import PropertiesOptionError, ConfigError
from rougail import RougailConfig
from .config import OutPuts
from .utils import _


class RougailOutputExporter:
    def __init__(self,
                 conf: 'Config',
                 rougailconfig: RougailConfig=None,
                 ) -> None:
        if rougailconfig is None:
            rougailconfig = RougailConfig
        outputs = OutPuts().get()
        output = rougailconfig['exporter.output_format']
        if output not in outputs:
            raise Exception(f'cannot find output "{output}", available outputs: {list(outputs)}')
        self.rougailconfig = rougailconfig
        self.conf = conf
        self.read_write = self.rougailconfig['exporter.read_write']
        self.errors = []
        self.warnings = []
        self.formater = outputs[output](self.rougailconfig)
        self.root = self.formater.root()

    def mandatory(self):
        if self.rougailconfig['exporter.no_mandatory']:
            return
        title = False
        options_with_error = []
        try:
            mandatories = self.conf.value.mandatory()
        except (ConfigError, PropertiesOptionError) as err:
            self.errors.append(f'Error in config: {err}')
            return
        for option in mandatories:
            try:
                option.value.get()
                if not title:
                    #self.errors.append("Les variables suivantes sont obligatoires mais n'ont pas de valeur :")
                    self.errors.append(_("The following variables are mandatory but have no value:"))
                    title = True
                self.errors.append(f'  - {option.description()}')
            except PropertiesOptionError:
                options_with_error.append(option)
        if not title:
            for idx, option in enumerate(options_with_error):
                if not idx:
                    #self.errors.append("Les variables suivantes sont inaccessibles mais sont vides et obligatoires :")
                    self.errors.append(_("The following variables are inaccessible but are empty and mandatory :"))
                self.errors.append(f'  - {option.description()}')

    def exporter(self) -> bool:
        self.conf.property.read_write()
        self.mandatory()
        if self.read_write:
            self.conf.property.read_write()
        else:
            self.conf.property.read_only()
        if self.errors:
            self.formater.errors(self.errors)
            return False
        if self.warnings:
            self.formater.warnings(self.warnings)
        self.formater.header()
        self.parse_options(self.conf,
                           self.root,
                           )
        self.formater.end()
        return True

    def print(self) -> None:
        return self.formater.print()

    def parse_options(self,
                      conf,
                      parent,
                      ):
        for option in conf:
            if option.isoptiondescription():
                family = parent.add_family(option)
                if option.isleadership():
                    self.parse_leadership(option,
                                          family,
                                          )
                else:
                    self.parse_options(option,
                                       family,
                                       )
            else:
                parent.add_variable(option)

    def parse_leadership(self,
                         conf,
                         parent,
                         ):
        leader, *followers = list(conf)
        idx = -1
        leader_values = leader.value.get()
        for follower in followers:
            if idx != follower.index():
                idx += 1
                leader_obj = parent.add_family(leader)
                leader_obj.add_variable(leader,
                                        value=follower.value.get(),
                                        )
            leader_obj.add_variable(follower)