package com.jovan.assistant

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import com.google.firebase.auth.FirebaseAuth
import com.jovan.assistant.data.FirebaseRepo
import com.jovan.assistant.service.VoiceService
import com.jovan.assistant.ui.AppTheme
import com.jovan.assistant.ui.AuthScreen
import com.jovan.assistant.ui.DashboardScreen

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            AppTheme {
                Surface(Modifier.fillMaxSize(), color = MaterialTheme.colorScheme.background) { Root() }
            }
        }
    }
}

@Composable
private fun Root() {
    val ctx = LocalContext.current
    val user by FirebaseRepo.authState()
        .collectAsStateWithLifecycle(initialValue = FirebaseAuth.getInstance().currentUser)

    // Signing out must also stop the always-on microphone service.
    LaunchedEffect(user == null) { if (user == null) VoiceService.stop(ctx) }

    val u = user
    if (u == null) AuthScreen() else DashboardScreen(uid = u.uid, email = u.email.orEmpty())
}