# UndoCommand.py -- Pamhyr
# Copyright (C) 2023-2024  INRAE
#
# 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.
#
# 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, see <https://www.gnu.org/licenses/>.

# -*- coding: utf-8 -*-

from copy import deepcopy
from tools import trace, timer

from PyQt5.QtWidgets import (
    QUndoCommand, QUndoStack,
)


class AddScenariosCommand(QUndoCommand):
    def __init__(self, study, source):
        QUndoCommand.__init__(self)

        self._study = study
        self._source = source

    def undo(self):
        logger.error(f"TODO {type(self)} : undo")

    def redo(self):
        self._study.new_scenario_from_current(switch=False)


class DelScenariosCommand(QUndoCommand):
    def __init__(self, study, scenario):
        QUndoCommand.__init__(self)

        self._study = study
        self._scenario = scenario

    def undo(self):
        logger.error(f"TODO {type(self)} : undo")

    def redo(self):
        logger.error(f"TODO {type(self)} : redo")


class SetCommand(QUndoCommand):
    def __init__(self, scenario, column, new_value):
        QUndoCommand.__init__(self)

        self._el = scenario
        self._column = column
        self._old = self._el[self._column]
        self._new = new_value

    def undo(self):
        self._el[self._column] = self._old

    def redo(self):
        self._el[self._column] = self._new