from PySide6.QtCore import Qt
from PySide6.QtGui import QAction, QKeySequence
from PySide6.QtWidgets import (
    QLabel,
    QMainWindow,
    QSplitter,
    QStatusBar,
    QToolBar,
    QVBoxLayout,
    QWidget
)

from .settings import get_settings

from trovedb import trove as tr
from .note_browser import NoteBrowser

class TroveMainWindow(QMainWindow):
    def __init__(self, trove: tr.Trove):
        super().__init__()
        self.setWindowTitle("Trove")

        # ── Toolbar ──
        toolbar = QToolBar("Main")
        toolbar.setObjectName("maintoolbar")
        toolbar.setMovable(False)
        self.addToolBar(toolbar)

        new_action = QAction("New", self)
        new_action.setShortcut(QKeySequence.StandardKey.New)
        toolbar.addAction(new_action)

        save_action = QAction("Save", self)
        save_action.setShortcut(QKeySequence.StandardKey.Save)
        toolbar.addAction(save_action)

        toolbar.addSeparator()

        # ── Central layout ──
        central = QWidget()
        self.setCentralWidget(central)
        layout = QVBoxLayout(central)
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)

        # Horizontal splitter: tree | editor
        splitter = QSplitter(Qt.Orientation.Horizontal)

        self._note_browser = NoteBrowser(trove)
        splitter.addWidget(self._note_browser)

        self._tool = QLabel("View/Edit Tool")
        splitter.addWidget(self._tool)

        layout.addWidget(splitter, stretch=1)

        # ── Status bar ──
        self.setStatusBar(QStatusBar())
        self.statusBar().showMessage("Ready")

    def closeEvent(self, event):
        settings = get_settings()
        settings.setValue("window/geometry", self.saveGeometry())
        settings.setValue("window/state", self.saveState())
        super().closeEvent(event)

    def restore_settings(self):
        settings = get_settings()
        geometry = settings.value("window/geometry")
        state = settings.value("window/state")
        if geometry:
            self.restoreGeometry(geometry)
        if state:
            self.restoreState(state)