// App type: Empty Activity
// download the dice images form online and store it in Resource manager
// File: MainActivity.kt
// rename the package name in the below line with your folder name

package com.example.diceroller

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.wrapContentSize
import androidx.compose.material3.Button
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
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)
        setContent {
            DiceRollerApp()
            DiceWithButtonAndImage(
                    modifier = Modifier.fillMaxSize().wrapContentSize(Alignment.Center)
            )
        }
    }
}

@Preview
@Composable
fun DiceRollerApp() {
    DiceWithButtonAndImage(modifier = Modifier.fillMaxSize().wrapContentSize(Alignment.Center))
}

@Composable
fun DiceWithButtonAndImage(modifier: Modifier = Modifier) {
    var result by remember { mutableStateOf(1) }
    val imageResource =
            when (result) {
                1 -> R.drawable.dice_1
                2 -> R.drawable.dice_2
                3 -> R.drawable.dice_3
                4 -> R.drawable.dice_4
                5 -> R.drawable.dice_5
                else -> R.drawable.dice_6
            }
    Column(modifier = modifier, horizontalAlignment = Alignment.CenterHorizontally) {
        Image(painter = painterResource(imageResource), contentDescription = result.toString())
        Spacer(modifier = Modifier.height(10.dp))
        Button(
                onClick = { result = (1..6).random() },
        ) { Text(text = "Roll", fontSize = 24.sp) }
    }
}