package id.ac.ubharajaya.sistemakademik

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.activity.enableEdgeToEdge
import androidx.compose.foundation.layout.*
import androidx.compose.material.icons.Icons
import androidx.compose.material.icons.filled.*
import androidx.compose.material3.*
import androidx.compose.runtime.*
import androidx.compose.ui.Modifier
import id.ac.ubharajaya.sistemakademik.ui.screens.AbsensiScreen
import id.ac.ubharajaya.sistemakademik.ui.screens.LoginScreen
import id.ac.ubharajaya.sistemakademik.ui.screens.ProfilScreen
import id.ac.ubharajaya.sistemakademik.ui.screens.RiwayatScreen
import id.ac.ubharajaya.sistemakademik.ui.theme.SistemAkademikTheme
import id.ac.ubharajaya.sistemakademik.utils.SessionManager

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

        val sessionManager = SessionManager(this)

        setContent {
            SistemAkademikTheme {
                var isLoggedIn by remember { mutableStateOf(sessionManager.isLoggedIn()) }

                Surface(modifier = Modifier.fillMaxSize()) {
                    if (isLoggedIn) {
                        MainNavigation(
                            activity = this,
                            sessionManager = sessionManager,
                            onLogout = {
                                sessionManager.logout()
                                isLoggedIn = false
                            }
                        )
                    } else {
                        LoginScreen(
                            onLoginSuccess = {
                                isLoggedIn = true
                            },
                            sessionManager = sessionManager
                        )
                    }
                }
            }
        }
    }
}

@Composable
fun MainNavigation(
    activity: ComponentActivity,
    sessionManager: SessionManager,
    onLogout: () -> Unit
) {
    var selectedTab by remember { mutableStateOf(0) }

    Scaffold(
        bottomBar = {
            NavigationBar {
                NavigationBarItem(
                    selected = selectedTab == 0,
                    onClick = { selectedTab = 0 },
                    icon = { Icon(Icons.Default.CheckCircle, "Absensi") },
                    label = { Text("Absensi") }
                )
                NavigationBarItem(
                    selected = selectedTab == 1,
                    onClick = { selectedTab = 1 },
                    icon = { Icon(Icons.Default.List, "Riwayat") },
                    label = { Text("Riwayat") }
                )
                NavigationBarItem(
                    selected = selectedTab == 2,
                    onClick = { selectedTab = 2 },
                    icon = { Icon(Icons.Default.Person, "Profil") },
                    label = { Text("Profil") }
                )
            }
        }
    ) { padding ->
        when (selectedTab) {
            0 -> AbsensiScreen(
                modifier = Modifier.padding(padding),
                activity = activity,
                sessionManager = sessionManager
            )
            1 -> RiwayatScreen(
                modifier = Modifier.padding(padding),
                sessionManager = sessionManager
            )
            2 -> ProfilScreen(
                modifier = Modifier.padding(padding),
                sessionManager = sessionManager,
                onLogout = onLogout
            )
        }
    }
}