# -*- coding: utf-8 -*-
"""novelWriter GUI Item Editor

 novelWriter – GUI Item Editor
===============================
 Class holding the item editor

 File History:
 Created: 2019-04-27 [0.0.1]

 This file is a part of novelWriter
 Copyright 2020, Veronica Berglyd Olsen

 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/>.
"""

import logging
import nw

from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (
    QDialog, QHBoxLayout, QVBoxLayout, QGroupBox, QGridLayout, QLineEdit,
    QPushButton, QComboBox, QLabel, QSpacerItem, QSizePolicy, QDialogButtonBox
)

from nw.gui.additions import QSwitch
from nw.constants import nwLabels, nwItemLayout, nwItemClass, nwItemType

logger = logging.getLogger(__name__)

class GuiItemEditor(QDialog):

    def __init__(self, theParent, theProject, tHandle):
        QDialog.__init__(self, theParent)

        logger.debug("Initialising GuiItemEditor ...")

        self.mainConf   = nw.CONFIG
        self.theProject = theProject
        self.theParent  = theParent
        self.outerBox = QHBoxLayout()
        self.innerBox = QVBoxLayout()

        self.theItem    = self.theProject.projTree[tHandle]
        if self.theItem is None:
            self._doClose()

        self.setWindowTitle("Item Settings")
        self.guiDeco = self.theParent.theTheme.loadDecoration("settings",(64,64))
        self.outerBox.setSpacing(16)

        self.setLayout(self.outerBox)
        self.outerBox.addWidget(self.guiDeco, 0, Qt.AlignTop)
        self.outerBox.addLayout(self.innerBox)

        self.mainGroup = QGroupBox("Item Settings")
        self.mainForm  = QGridLayout()

        self.editName = QLineEdit()
        self.editName.setMinimumWidth(220)
        self.editName.setMaxLength(200)

        self.editStatus = QComboBox()
        self.editLayout = QComboBox()

        if self.theItem.itemClass == nwItemClass.NOVEL:
            for sLabel, _, _ in self.theProject.statusItems:
                self.editStatus.addItem(
                    self.theParent.statusIcons[sLabel], sLabel, sLabel
                )
        else:
            for sLabel, _, _ in self.theProject.importItems:
                self.editStatus.addItem(
                    self.theParent.importIcons[sLabel], sLabel, sLabel
                )

        self.validLayouts = []
        if self.theItem.itemType == nwItemType.FILE:
            if self.theItem.itemClass == nwItemClass.NOVEL:
                self.validLayouts.append(nwItemLayout.TITLE)
                self.validLayouts.append(nwItemLayout.BOOK)
                self.validLayouts.append(nwItemLayout.PAGE)
                self.validLayouts.append(nwItemLayout.PARTITION)
                self.validLayouts.append(nwItemLayout.UNNUMBERED)
                self.validLayouts.append(nwItemLayout.CHAPTER)
                self.validLayouts.append(nwItemLayout.SCENE)
                self.validLayouts.append(nwItemLayout.NOTE)
            else:
                self.validLayouts.append(nwItemLayout.NOTE)
        else:
            self.validLayouts.append(nwItemLayout.NO_LAYOUT)

        for itemLayout in nwItemLayout:
            if itemLayout in self.validLayouts:
                self.editLayout.addItem(nwLabels.LAYOUT_NAME[itemLayout],itemLayout)

        self.editExport = QSwitch()
        self.editExport.setChecked(self.theItem.isExported)
        self.textExport = QLabel("Include when building project")

        self.mainForm.addWidget(QLabel("Label"),  0, 0)
        self.mainForm.addWidget(self.editName,    0, 1, 1, 2)
        self.mainForm.addWidget(QLabel("Status"), 1, 0)
        self.mainForm.addWidget(self.editStatus,  1, 1, 1, 2)
        self.mainForm.addWidget(QLabel("Layout"), 2, 0)
        self.mainForm.addWidget(self.editLayout,  2, 1, 1, 2)
        self.mainForm.addWidget(self.textExport,  4, 0, 1, 2)
        self.mainForm.addWidget(self.editExport,  4, 2)

        self.spacerItem = QSpacerItem(12, 12, QSizePolicy.Fixed, QSizePolicy.Fixed)
        self.mainForm.addItem(self.spacerItem,  3, 0)

        self.editName.setText(self.theItem.itemName)
        statusIdx = self.editStatus.findData(self.theItem.itemStatus)
        if statusIdx != -1:
            self.editStatus.setCurrentIndex(statusIdx)
        layoutIdx = self.editLayout.findData(self.theItem.itemLayout)
        if layoutIdx != -1:
            self.editLayout.setCurrentIndex(layoutIdx)

        self.buttonBox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Cancel)
        self.buttonBox.accepted.connect(self._doSave)
        self.buttonBox.rejected.connect(self._doClose)

        self.mainGroup.setLayout(self.mainForm)
        self.innerBox.addWidget(self.mainGroup)
        self.innerBox.addWidget(self.buttonBox)

        self.show()

        self.editName.selectAll()

        logger.debug("GuiItemEditor initialisation complete")

        return

    def _doSave(self):
        """Save the setting to the item.
        """

        logger.verbose("ItemEditor save button clicked")

        itemName   = self.editName.text()
        itemStatus = self.editStatus.currentData()
        itemLayout = self.editLayout.currentData()
        isExported = self.editExport.isChecked()

        self.theItem.setName(itemName)
        self.theItem.setStatus(itemStatus)
        self.theItem.setLayout(itemLayout)
        self.theItem.setExported(isExported)

        self.theProject.setProjectChanged(True)

        self.accept()
        self.close()

        return

    def _doClose(self):
        logger.verbose("ItemEditor close button clicked")
        self.reject()
        self.close()
        return

# END Class GuiItemEditor