# -*- coding: utf-8 -*
"""novelWriter GUI Main Window

 novelWriter – GUI Main Window
===============================
 Class holding the main window

 File History:
 Created: 2018-09-22 [0.1.0]

"""

import logging
import nw

from os              import path
from PyQt5.QtWidgets import qApp, QWidget, QMainWindow, QHBoxLayout, QVBoxLayout, QFrame, QSplitter, QAction, QToolBar
from PyQt5.QtCore    import Qt, QSize
from PyQt5.QtGui     import QIcon, QStandardItemModel

from nw.gui.doctree  import GuiDocTree
from nw.gui.doctabs  import GuiDocTabs

logger = logging.getLogger(__name__)

class GuiMain(QMainWindow):

    def __init__(self):
        QWidget.__init__(self)

        logger.debug("Initialising GUI ...")
        self.mainConf = nw.CONFIG

        self.resize(1100,650)
        self.setTitle()
        self.setWindowIcon(QIcon(path.join(self.mainConf.appPath,"..","novelWriter.svg")))

        self.statBar = self.statusBar()

        self.docTabs = GuiDocTabs()

        self.treePane = QFrame()
        self.treePane.setFrameShape(QFrame.StyledPanel)
        self.splitMain = QSplitter(Qt.Horizontal)
        self.splitMain.addWidget(self.treePane)
        self.splitMain.addWidget(self.docTabs)

        self.treeBox = QVBoxLayout()
        self.treeView = GuiDocTree()
        self.treeBox.addWidget(self.treeView)
        self.treePane.setLayout(self.treeBox)

        self.treeToolBar = QToolBar()
        self._buildTreeToolBar()
        self.treeBox.addWidget(self.treeToolBar)

        self.setCentralWidget(self.splitMain)

        self._buildMenu()

        # self.docTabs.createTab()

        self.show()

        logger.debug("GUI initialisation complete")
        self.statBar.showMessage("Ready")

        return

    #
    #  Set and Get Methods
    #

    def setTitle(self, projName=None):
        winTitle = "%s [%s]" % (nw.__package__, nw.__version__)
        if projName is not None:
            winTitle += " - %s" % projName
        self.setWindowTitle(winTitle)
        return True

    #
    #  Project Actions
    #

    def newProject(self):

        logger.info("Creating new project")
        self.docTabs.createTab(tabType=nw.DOCTYPE_PROJECT)

        return

    #
    #  Internal Functions
    #

    def _buildMenu(self):
        menuBar  = self.menuBar()

        # File
        fileMenu = menuBar.addMenu("&File")

        # File > New Project
        menuNewProject = QAction(QIcon.fromTheme("folder-new"), "New Project", menuBar)
        menuNewProject.setStatusTip("Create New Project")
        menuNewProject.triggered.connect(self.newProject)
        fileMenu.addAction(menuNewProject)

        # File > Open Project
        menuOpenProject = QAction(QIcon.fromTheme("folder-open"), "Open Project", menuBar)
        menuOpenProject.setStatusTip("Open Project")
        fileMenu.addAction(menuOpenProject)

        # File > Save Project
        menuSaveProject = QAction(QIcon.fromTheme("document-save"), "Save Project", menuBar)
        menuSaveProject.setStatusTip("Save Project")
        fileMenu.addAction(menuSaveProject)

        # File > Recent Project
        menuRecentProject = QAction(QIcon.fromTheme("document-open-recent"), "Open Recent Project", menuBar)
        menuRecentProject.setStatusTip("Open Recent Project")
        fileMenu.addAction(menuRecentProject)

        # ---------------------
        fileMenu.addSeparator()

        # File > Project Settings
        menuProjectSettings = QAction(QIcon.fromTheme("document-properties"), "Project Settings", menuBar)
        menuProjectSettings.setStatusTip("Project Settings")
        fileMenu.addAction(menuProjectSettings)

        # ---------------------
        fileMenu.addSeparator()

        # File > New
        menuNew = QAction(QIcon.fromTheme("document-new"), "&New", menuBar)
        menuNew.setShortcut("Ctrl+N")
        menuNew.setStatusTip("Create new document")
        fileMenu.addAction(menuNew)

        # File > Open
        menuOpen = QAction(QIcon.fromTheme("document-open"), "&Open", menuBar)
        menuOpen.setShortcut("Ctrl+O")
        menuOpen.setStatusTip("Open document")
        fileMenu.addAction(menuOpen)

        # File > Save
        menuSave = QAction(QIcon.fromTheme("document-save"), "&Save", menuBar)
        menuSave.setShortcut("Ctrl+S")
        menuSave.setStatusTip("Save document")
        fileMenu.addAction(menuSave)

        # ---------------------
        fileMenu.addSeparator()

        # File > Exit
        menuExit = QAction(QIcon.fromTheme("application-exit"), "&Exit", menuBar)
        menuExit.setShortcut("Ctrl+Q")
        menuExit.setStatusTip("Exit %s" % nw.__package__)
        menuExit.triggered.connect(self._menuExit)
        fileMenu.addAction(menuExit)

        return

    def _buildTreeToolBar(self):
        toolBar = self.treeToolBar
        toolBar.setToolButtonStyle(Qt.ToolButtonIconOnly)
        toolBar.setIconSize(QSize(16,16))

        # Folder > New
        tbFolderNew = QAction(QIcon.fromTheme("folder-new"), "New Folder (Ctrl+Shift+N)", toolBar)
        tbFolderNew.setShortcut("Ctrl+Shift+N")
        tbFolderNew.setStatusTip("Create new folder")
        toolBar.addAction(tbFolderNew)

        # Document > New
        tbDocNew = QAction(QIcon.fromTheme("document-new"), "New Document (Ctrl+N)", toolBar)
        tbDocNew.setShortcut("Ctrl+N")
        tbDocNew.setStatusTip("Create new document")
        toolBar.addAction(tbDocNew)

        return

    #
    #  Menu Action
    #

    def _menuExit(self):
        logger.info("Exiting %s" % nw.__package__)
        qApp.quit()
        return True

# END Class GuiMain