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package com.example.happybirthday

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.text.style.TextAlign
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import com.example.happybirthday.ui.theme.HappyBirthdayTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            HappyBirthdayTheme {
                // A surface container using the 'background' color from the theme
                Surface(
                    modifier = Modifier.fillMaxSize(),
                    color = MaterialTheme.colorScheme.background)
                {
                    GreetingText(message = "Happy Birthday Keijo!", from = "From Pena" )
                }
            }
        }
    }
}

@Composable
fun GreetingText(message: String, from: String, modifier: Modifier = Modifier) {
    Column(
        modifier = modifier.padding(8.dp),
        verticalArrangement = Arrangement.Center) {
        Text(
            text = message,
            color = Color.Green,
            fontSize = 100.sp,
            lineHeight = 116.sp,
            textAlign = TextAlign.Center
        )
        Text(
            text = from,
            color = Color.Red,
            fontSize = 20.sp,
            modifier = Modifier
                .padding(16.dp)
                .align(alignment = Alignment.End)
        )
    }
}


@Preview(showBackground = true)
@Composable
fun BirthdayCardPreview() {
    HappyBirthdayTheme {
        GreetingText(message = "Happy Birthday Pena", from = " From Keijo")
    }
}