# Table.py -- Pamhyr
# Copyright (C) 2023  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 -*-

import logging
import traceback

from datetime import date, time, datetime, timedelta

from tools import trace, timer

from View.Tools.PamhyrTable import PamhyrTableModel

from PyQt5.QtCore import (
    Qt, QVariant, QAbstractTableModel,
    QCoreApplication, QModelIndex, pyqtSlot,
    QRect, QTime, QDateTime,
)

from PyQt5.QtWidgets import (
    QTableView, QAbstractItemView, QSpinBox, QItemDelegate,
)

from View.Reservoir.Edit.UndoCommand import (
    SetDataCommand, AddCommand, DelCommand,
    SortCommand, PasteCommand,
)

_translate = QCoreApplication.translate

logger = logging.getLogger()


class TableModel(PamhyrTableModel):
    def data(self, index, role):
        if role == Qt.TextAlignmentRole:
            return Qt.AlignHCenter | Qt.AlignVCenter

        if role != Qt.ItemDataRole.DisplayRole:
            return QVariant()

        row = index.row()
        column = index.column()

        value = QVariant()

        if 0 <= column < 2:
            v = self._data.get_i(row)[column]
            value = f"{v:.4f}"

        return value

    def setData(self, index, value, role=Qt.EditRole):
        if not index.isValid() or role != Qt.EditRole:
            return False

        row = index.row()
        column = index.column()

        try:
            self._undo.push(
                SetDataCommand(
                    self._data, row, column, float(value)
                )
            )
        except Exception as e:
            logger.info(e)
            logger.debug(traceback.format_exc())

        self.dataChanged.emit(index, index)
        return True

    def add(self, row, parent=QModelIndex()):
        self.beginInsertRows(parent, row, row - 1)

        self._undo.push(
            AddCommand(
                self._data, row
            )
        )

        self.endInsertRows()
        self.layoutChanged.emit()

    def delete(self, rows, parent=QModelIndex()):
        self.beginRemoveRows(parent, rows[0], rows[-1])

        self._undo.push(
            DelCommand(
                self._data, rows
            )
        )

        self.endRemoveRows()

    def sort(self, _reverse, parent=QModelIndex()):
        self.layoutAboutToBeChanged.emit()

        self._undo.push(
            SortCommand(
                self._data, _reverse
            )
        )

        self.layoutAboutToBeChanged.emit()
        self.layoutChanged.emit()

    def paste(self, row, data):
        if len(data) == 0:
            return

        self.layoutAboutToBeChanged.emit()

        self._undo.push(
            PasteCommand(
                self._data, row,
                list(
                    map(
                        lambda d: self._data.new_from_data(d),
                        data
                    )
                )
            )
        )

        self.layoutAboutToBeChanged.emit()
        self.layoutChanged.emit()