from __future__ import annotations

from app.qt_compat import QLabel, Qt, QVBoxLayout, QWidget

from app.ui.preview_modes import PREVIEW_MODE_TILE
from app.ui.preview_widget import PreviewWidget


class FullscreenPreviewWindow(QWidget):
    def __init__(
        self,
        controller,
        preview_mode: str = PREVIEW_MODE_TILE,
        scene_role: str = "live",
        technical_preview: bool | None = None,
        parent: QWidget | None = None,
    ) -> None:
        super().__init__(parent)
        self.setWindowTitle("Infinity Mirror Preview")
        self.setWindowFlag(Qt.Window, True)
        self.setAttribute(Qt.WA_DeleteOnClose, False)

        layout = QVBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)

        self.preview_widget = PreviewWidget(
            controller,
            preview_mode=preview_mode,
            scene_role=scene_role,
            technical_preview=technical_preview,
        )
        self.preview_widget.tileClicked.connect(controller.set_selected_tile)
        layout.addWidget(self.preview_widget, 1)

        hint = QLabel("Press F11 or Escape to leave fullscreen preview")
        hint.setAlignment(Qt.AlignCenter)
        hint.setStyleSheet("background: #2D2D30; color: #CCCCCC; padding: 8px; font-size: 12px; border-top: 1px solid #3C3C3C;")
        layout.addWidget(hint)

    def set_preview_mode(self, mode: str) -> None:
        self.preview_widget.set_preview_mode(mode)

    def set_technical_preview(self, enabled: bool) -> None:
        self.preview_widget.set_technical_preview(enabled)

    def keyPressEvent(self, event) -> None:
        if event.key() in {Qt.Key_F11, Qt.Key_Escape}:
            self.hide()
            event.accept()
            return
        super().keyPressEvent(event)