package com.example.prog2

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.Arrangement
import androidx.compose.foundation.layout.Box
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.padding
import androidx.compose.material3.Button
import androidx.compose.material3.Scaffold
import androidx.compose.material3.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import androidx.navigation.NavController
import androidx.navigation.compose.NavHost
import androidx.navigation.compose.composable
import androidx.navigation.compose.rememberNavController
import com.example.prog2.ui.theme.Prog2Theme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContent {
            val navcontroller = rememberNavController()
            NavHost(navController = navcontroller,
                startDestination = "fragment1") {
                composable("fragment1") {
                    Fragment1(navcontroller)
                }
                composable("fragment2") {
                    Fragment2(navcontroller) }
                composable("fragment3") {
                   Fragment3(navcontroller)}
            }
        }
    }
}


@Composable
fun Fragment1(navController: NavController){
    Column() {
        Text(text = "This is Fragment1 ")
        Spacer(modifier = Modifier.height(45.dp))
        Button(onClick={ navController.navigate("fragment2")}) {
            Text(text = " Go to Fragment 2")
        }
    }
}


@Composable
fun Fragment2(navController: NavController) {
    Row(horizontalArrangement = Arrangement.SpaceEvenly){
             Text(text = "This is Fragment2 ")
        Button(onClick = { navController.navigate("fragment3") }) {
            Text(text = "Go to Fragment 3")
        }
    }
}
@Composable
fun Fragment3(navController: NavController){
    Row(horizontalArrangement = Arrangement.SpaceEvenly){
        Text(text = "This is Fragment3 ")
        Button(onClick = { navController.navigate("fragment1") }) {
            Text(text = "Go to Fragment 1")
        }
    }
}