package com.example.livingai

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.SystemBarStyle
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.Box
import androidx.compose.material3.MaterialTheme
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.toArgb
import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
import androidx.core.view.WindowCompat
import com.example.livingai.pages.home.HomeViewModel
import com.example.livingai.pages.navigation.NavGraph
import com.example.livingai.pages.navigation.Route
import com.example.livingai.ui.theme.LivingAITheme
import org.koin.androidx.viewmodel.ext.android.viewModel

class MainActivity : ComponentActivity() {
    private val viewModel by viewModel<HomeViewModel>()
    
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        WindowCompat.setDecorFitsSystemWindows(window, false)
        installSplashScreen().apply {
            setKeepOnScreenCondition {
                viewModel.splashCondition.value
            }
        }

        // The splash screen is shown until the start destination is determined.
        // If there's a delay, the splash screen will cover it.

        setContent {
            LivingAITheme {
                enableEdgeToEdge(
                    statusBarStyle = SystemBarStyle.auto(
                        lightScrim = Color.Transparent.toArgb(),
                        darkScrim = Color.Transparent.toArgb()
                    ),
                    navigationBarStyle = SystemBarStyle.auto(
                        lightScrim = Color.Transparent.toArgb(),
                        darkScrim = Color.Transparent.toArgb()
                    )
                )
                Box(modifier = Modifier.background(color = MaterialTheme.colorScheme.background)) {
                    val startDestination = viewModel.startDestination.value
                    // Ensure startDestination is not null before rendering NavGraph
                    if (startDestination != null) {
                        NavGraph(startDestination = startDestination)
                    } else {
                        // Optional: Show a loading indicator if startDestination is null 
                        // for an extended period, though splash screen should handle it.
                    }
                }
            }
        }
    }
}