import os
from PyQt5.QtWidgets import QMainWindow, QWidget, QHBoxLayout, QMessageBox
from editortool.map.glwidget import GLWidget
from editortool.map.chunkpanel import ChunkPanel
from editortool.map.mapinfopanel import MapInfoPanel
from editortool.map.mapdata import MapData
from editortool.map.toolbar import MapToolbar
from editortool.map.statusbar import StatusBar


class MapWindow(QMainWindow):
  def __init__(self):
    super().__init__()

    # Subclasses
    self.mapData = MapData()

    # Window setup
    self.setWindowTitle("Dusk Map Editor")
    self.resize(1280, 720)

    # Components
    self.toolbar = MapToolbar(self)

    central = QWidget()
    self.setCentralWidget(central)

    mainLayout = QHBoxLayout(central)

    # Left panel (ChunkPanel)
    self.chunkPanel = ChunkPanel()
    leftWidget = QWidget()
    leftWidget.setLayout(self.chunkPanel.layout())
    leftWidget.setFixedWidth(200)
    mainLayout.addWidget(leftWidget)

    # Center panel (GLWidget + controls)
    self.glWidget = GLWidget(self)
    mainLayout.addWidget(self.glWidget, stretch=3)

    # Right panel (MapInfoPanel)
    self.mapInfoPanel = MapInfoPanel(self)
    rightWidget = self.mapInfoPanel
    rightWidget.setFixedWidth(250)
    mainLayout.addWidget(rightWidget)

    # Status bar
    self.statusBar = StatusBar(self)
    self.setStatusBar(self.statusBar)

  def generateData(self):
    objOut = {}
    self.fileSaving.invoke(objOut)
    self.mapData.data = objOut
    return objOut

  def closeEvent(self, event):
    if not self.mapData.isDirty():
      event.accept()
      return
    
    reply = QMessageBox.question(
      self,
      "Unsaved Changes",
      "You have unsaved changes. Do you want to save before closing?",
      QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel,
      QMessageBox.Save
    )
    if reply == QMessageBox.Save:
      self.saveFile()
      if self.mapData.isDirty():
        event.ignore()
        return
    elif reply == QMessageBox.Cancel:
      event.ignore()
      return
    event.accept()