// TestSlider Example
// Source code file: MainActivity.kt
// Display the slider value in a Text element
// as the slider thumb is moved.

package it372.ssmith.testslider
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Slider
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContent {
            MainLayout( )
        }
    }
}

@Composable
fun MainLayout( ) {

    val sliderPosition = remember { mutableStateOf(68.0f) }
    val textDisplay = remember { mutableStateOf("")}

    Column(modifier = Modifier
        .padding(40.dp),
        horizontalAlignment =
            Alignment.CenterHorizontally) {

        Slider(value = sliderPosition.value,
            onValueChange = {
                sliderPosition.value = it
                textDisplay.value = it.toString( )
            },
            modifier = Modifier.padding(30.dp),
            valueRange = 32f..212f)

        Text(text = textDisplay.value,
            modifier = Modifier.padding(40.dp),
            fontSize = 25.sp)
    }
}

@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
    MainLayout( )
}