rememberAmbientModeManager

@Composable
fun rememberAmbientModeManager(): AmbientModeManager

import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.wear.compose.foundation.AmbientMode
import androidx.wear.compose.foundation.LocalAmbientModeManager
import androidx.wear.compose.foundation.rememberAmbientModeManager
import androidx.wear.compose.material.Text

// **Best Practice Note:** In a production application, the AmbientModeManager should be
// instantiated and provided at the highest level of the Compose hierarchy (typically in
// the host Activity's setContent block) using a CompositionLocalProvider. This ensures
// proper lifecycle management and broad accessibility.

// For this self-contained demo, AmbientModeManager is created and provided locally:
val activityAmbientModeManager = rememberAmbientModeManager()
CompositionLocalProvider(LocalAmbientModeManager provides activityAmbientModeManager) {
    val ambientModeManager = LocalAmbientModeManager.current
    val ambientMode = ambientModeManager?.currentAmbientMode
    Column(
        verticalArrangement = Arrangement.Center,
        horizontalAlignment = Alignment.CenterHorizontally,
        modifier = Modifier.fillMaxSize(),
    ) {
        val ambientModeName =
            when (ambientMode) {
                is AmbientMode.Interactive -> "Interactive"
                is AmbientMode.Ambient -> "Ambient"
                else -> "Unknown"
            }

        val color = if (ambientMode is AmbientMode.Ambient) Color.Gray else Color.Yellow
        Text(text = "$ambientModeName Mode", color = color)
    }
}