lockstep-player/app/src/main/java/at/lockstep/player/MainActivity.kt

package at.lockstep.player

import android.content.Intent
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.material3.Surface
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.getValue
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalContext
import androidx.core.util.Consumer
import androidx.lifecycle.compose.collectAsStateWithLifecycle
import androidx.lifecycle.viewmodel.compose.viewModel
import androidx.navigation.compose.rememberNavController
import at.lockstep.player.auth.OAuthCallbackParser
import at.lockstep.player.ui.LockstepAppNavHost
import at.lockstep.player.ui.theme.LockstepTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            LockstepTheme {
                val viewModel: LockstepViewModel =
                    viewModel(
                        factory = LockstepViewModelFactory(application),
                    )
                val context = LocalContext.current
                val onboardingDone by viewModel.onboardingComplete.collectAsStateWithLifecycle()

                LaunchedEffect(Unit) {
                    intent?.data?.let { uri ->
                        OAuthCallbackParser.parseAccessToken(uri)?.let { token ->
                            viewModel.saveSpotifyAccessToken(token)
                        }
                    }
                }

                DisposableEffect(viewModel) {
                    val listener =
                        Consumer<Intent> { newIntent ->
                            newIntent.data?.let { uri ->
                                OAuthCallbackParser.parseAccessToken(uri)?.let { token ->
                                    viewModel.saveSpotifyAccessToken(token)
                                }
                            }
                        }
                    addOnNewIntentListener(listener)
                    onDispose { removeOnNewIntentListener(listener) }
                }

                Surface(modifier = Modifier.fillMaxSize()) {
                    if (!onboardingDone) {
                        at.lockstep.player.ui.onboarding.OnboardingScreen(
                            viewModel = viewModel,
                            onFinished = { },
                        )
                    } else {
                        val navController = rememberNavController()
                        LockstepAppNavHost(
                            activity = this@MainActivity,
                            navController = navController,
                            viewModel = viewModel,
                        )
                    }
                }
            }
        }
    }
}