package com.labexposed.notas

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.runtime.Composable
import androidx.compose.runtime.collectAsState
import androidx.compose.runtime.getValue
import androidx.lifecycle.viewmodel.compose.viewModel
import androidx.lifecycle.compose.LifecycleEventEffect
import androidx.navigation.compose.NavHost
import androidx.navigation.compose.composable
import androidx.navigation.compose.rememberNavController
import androidx.lifecycle.Lifecycle
import com.labexposed.notas.ui.EditorScreen
import com.labexposed.notas.ui.NotesListScreen
import com.labexposed.notas.ui.NotasViewModel
import com.labexposed.notas.ui.SettingsScreen
import com.labexposed.notas.ui.theme.NotasTheme

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        setContent {
            NotasTheme { NotasApp_() }
        }
    }
}

@Composable
private fun NotasApp_(vm: NotasViewModel = viewModel()) {
    val nav = rememberNavController()
    val settings by vm.settings.collectAsState()

    LifecycleEventEffect(Lifecycle.Event.ON_RESUME) { vm.onResumed() }
    LifecycleEventEffect(Lifecycle.Event.ON_PAUSE) { vm.onPaused() }

    NavHost(navController = nav, startDestination = if (settings.configured) "list" else "settings") {
        composable("settings") {
            SettingsScreen(vm, onDone = { nav.navigate("list") { popUpTo("settings") { inclusive = true } } })
        }
        composable("list") {
            NotesListScreen(
                vm = vm,
                onOpen = { nav.navigate("editor/$it") },
                onNew = { nav.navigate("editor/" + vm.createLocal()) },
                onSettings = { nav.navigate("settings") },
            )
        }
        composable("editor/{id}") { entry ->
            val id = entry.arguments?.getString("id") ?: return@composable
            EditorScreen(vm = vm, noteId = id, onBack = { nav.popBackStack() })
        }
    }
}