import { Extension } from "resource:///org/gnome/shell/extensions/extension.js"
import { setMonitorTransform } from "./monitorDBusUtils.js"

export default class AutoRotate extends Extension {
    _listenerId?: number
    enable() {
        let lastFullscreened = false
        this._listenerId = global.display.connect(
            "in-fullscreen-changed",
            () => {
                const monitors = global.display.get_n_monitors()
                const isFullscreen =
                    [...new Array(monitors)].findIndex((_, index) =>
                        global.display.get_monitor_in_fullscreen(index)
                    ) != -1

                if (isFullscreen == lastFullscreened) return
                lastFullscreened = isFullscreen

                console.debug(`Fullscreen state changed to: ${isFullscreen}`)
                setTimeout(() => setMonitorTransform(isFullscreen ? 1 : 0), 50)
            }
        )
    }

    disable() {
        if (this._listenerId != null)
            global.display.disconnect(this._listenerId)
    }
}