// RandomAnimals Example
// Source code file: MainActivity.kt

package it372.ssmith.randomanimal
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.Button
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import java.util.Scanner

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

@Composable
fun MainLayout( ) {
    var animalList =
        remember { mutableStateOf(mutableListOf("")) }
    var textDisplay = remember { mutableStateOf("") }
    Column(modifier = Modifier.padding(all = 40.dp)) {
        val context = LocalContext.current
        val inpStr = context.resources.openRawResource(R.raw.animals)
        val scanner = Scanner(inpStr)
        while (scanner.hasNextLine()) {
            animalList.value.add(scanner.nextLine( ))
        }

        Button(
            onClick = {
                var randomIndex = (0..2).random( )
                var item = animalList.value[randomIndex]
                var itemArray = item.split(',')
                var animal = itemArray[0]
                var imageName = itemArray[1] + ".jpg"
                textDisplay.value = "Animal: $animal\nImage: $imageName"
            },
            content = { Text("Show Random Animal") }
        )

       Text(text = textDisplay.value)
    }
}

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