// ShowSuit Example
// Source code file: MainActivity.kt
// Display a spade, heart, diamond, or club image
// when the button is clicked, depending on which
// radio button is checked.

package it372.ssmith.showsuit
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.size
import androidx.compose.material3.Button
import androidx.compose.material3.RadioButton
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.layout.ContentScale
import androidx.compose.ui.res.painterResource
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( ) {

    // State variables for composables
    var selected = remember { mutableStateOf(2) }
    var imageDisplay = remember  {
        mutableStateOf(R.drawable.heart) }

    Column(Modifier.padding(all = 50.dp),
        horizontalAlignment = Alignment.CenterHorizontally) {

        Row(verticalAlignment = Alignment.CenterVertically) {
            RadioButton(
                selected = selected.value == 1,
                onClick = {
                    selected.value = 1
                },
                modifier = Modifier
                    .padding(all = 20.dp)
                    .size(width = 50.dp, height = 50.dp)
            )
            Text(text = "Spade")
        }

        Row(verticalAlignment = Alignment.CenterVertically) {
            RadioButton(
                selected = selected.value == 2,
                onClick = {
                    selected.value = 2
                },
                modifier = Modifier
                    .padding(all = 20.dp)
                    .size(width = 50.dp, height = 50.dp)
            )
            Text(text = "Heart")
        }

        Row(verticalAlignment = Alignment.CenterVertically) {
            RadioButton(
                selected = selected.value == 3,
                onClick = {
                    selected.value = 3
                },
                modifier = Modifier
                    .padding(all = 20.dp)
                    .size(width = 50.dp, height = 50.dp)
            )
            Text(text = "Diamond")
        }

        Row(verticalAlignment = Alignment.CenterVertically) {
            RadioButton(
                selected = selected.value == 4,
                onClick = {
                    selected.value = 4
                },
                modifier = Modifier
                    .padding(all = 20.dp)
                    .size(width = 50.dp, height = 50.dp)
            )
            Text(text = "Club")
        }

        Button(onClick = {
            val imageResource =
                if (selected.value == 1) R.drawable.spade
                else if (selected.value == 2) R.drawable.heart
                else if (selected.value == 3) R.drawable.diamond
                else R.drawable.club
            imageDisplay.value = imageResource
        }) {
            Text(text = "Show Suit")
        }

        Image(
            painter = painterResource(imageDisplay.value),
            contentDescription = "Andromeda Galaxy",
            contentScale = ContentScale.Crop,
            modifier = Modifier
                .padding(30.dp)
                .fillMaxWidth()
        )
    }
}


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