from PyQt5.QtWidgets import QMainWindow, QApplication, QWidget, QVBoxLayout, QHBoxLayout, QLabel, QPushButton, QListWidget, QListWidgetItem
from editortool.cutscene.cutsceneitem import CutsceneItemEditor
import sys

class CutsceneToolWindow(QMainWindow):
  def __init__(self):
    super().__init__()
    self.setWindowTitle("Dusk Cutscene Editor")
    self.setGeometry(100, 100, 800, 600)
    self.nextItemNumber = 1  # Track next available number

    # Main layout: horizontal split
    central = QWidget()
    mainLayout = QHBoxLayout(central)
    self.setCentralWidget(central)

    # Timeline
    leftPanel = QWidget()
    leftLayout = QVBoxLayout(leftPanel)

    self.timelineList = QListWidget()
    self.timelineList.setSelectionMode(QListWidget.SingleSelection)
    leftLayout.addWidget(QLabel("Cutscene Timeline"))
    leftLayout.addWidget(self.timelineList)

    btnLayout = QHBoxLayout()
    self.addBtn = QPushButton("Add")
    self.removeBtn = QPushButton("Remove")
    btnLayout.addWidget(self.addBtn)
    btnLayout.addWidget(self.removeBtn)
    leftLayout.addLayout(btnLayout)
    mainLayout.addWidget(leftPanel, 2)

    # Property editor
    self.editorPanel = QWidget()
    self.editorLayout = QVBoxLayout(self.editorPanel)
    self.itemEditor = None  # Only create when needed
    mainLayout.addWidget(self.editorPanel, 3)

    # Events
    self.timelineList.currentItemChanged.connect(self.onItemSelected)
    self.addBtn.clicked.connect(self.addCutsceneItem)
    self.removeBtn.clicked.connect(self.removeCutsceneItem)

  def addCutsceneItem(self):
    name = f"Cutscene item {self.nextItemNumber}"
    item = QListWidgetItem(name)
    self.timelineList.addItem(item)
    self.timelineList.setCurrentItem(item)
    self.nextItemNumber += 1

  def removeCutsceneItem(self):
    row = self.timelineList.currentRow()
    if row >= 0:
      self.timelineList.takeItem(row)
      # Remove editor if nothing selected
      if self.timelineList.currentItem() is None:
        if self.itemEditor:
          self.editorLayout.removeWidget(self.itemEditor)
          self.itemEditor.deleteLater()
          self.itemEditor = None

  def onItemSelected(self, current, previous):
    if current:
      if not self.itemEditor:
        self.itemEditor = CutsceneItemEditor()
        self.editorLayout.addWidget(self.itemEditor)
      return
    
    if not self.itemEditor:
      return
    self.editorLayout.removeWidget(self.itemEditor)
    self.itemEditor.deleteLater()
    self.itemEditor = None

if __name__ == "__main__":
  app = QApplication(sys.argv)
  window = CutsceneToolWindow()
  window.show()
  sys.exit(app.exec_())