# 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.ASubWindow import ASubMainWindow, AWidget
from View.ListedSubWindow import ListedSubWindow
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,
    QTimeEdit, QDateTimeEdit, QItemDelegate,
)

from Model.LateralContribution.LateralContributionTypes import (
    NotDefined, LateralContrib, Rain, Evaporation,
)

from View.LateralContribution.Edit.UndoCommand import (
    SetDataCommand, AddCommand, DelCommand,
    SortCommand, MoveCommand, PasteCommand,
    DuplicateCommand,
)
from View.LateralContribution.Edit.translate import *

_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]
            if self._data.get_type_column(column) == float:
                value = f"{v:.4f}"
            elif self._data.header[column] == "time":
                if self._opt_data == "time":
                    t0 = datetime.fromtimestamp(0)
                    t = datetime.fromtimestamp(v)
                    value = str(t - t0)
                else:
                    value = str(datetime.fromtimestamp(v))
            else:
                value = f"{v}"

        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, 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 move_up(self, row, parent=QModelIndex()):
        if row <= 0:
            return

        target = row + 2

        self.beginMoveRows(parent, row - 1, row - 1, parent, target)

        self._undo_stack.push(
            MoveCommand(
                self._data, "up", row
            )
        )

        self.endMoveRows()
        self.layoutChanged.emit()

    def move_down(self, index, parent=QModelIndex()):
        if row > len(self._data):
            return

        target = row

        self.beginMoveRows(parent, row + 1, row + 1, parent, target)

        self._undo_stack.push(
            MoveCommand(
                self._data, "down", row
            )
        )

        self.endMoveRows()
        self.layoutChanged.emit()

    def paste(self, row, header, 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(header, d),
                        data
                    )
                )
            )
        )

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