package sh.lajo.buddy

import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.navigation.NavHostController
import androidx.navigation.compose.NavHost
import androidx.navigation.compose.composable

private const val ROUTE_ONBOARDING_STEP1 = "onboarding/step1"
private const val ROUTE_ONBOARDING_STEP2 = "onboarding/step2"
private const val ROUTE_ONBOARDING_STEP3 = "onboarding/step3"
private const val ROUTE_ONBOARDING_STEP4 = "onboarding/step4"
private const val ROUTE_ONBOARDING_STEP5 = "onboarding/step5"
private const val ROUTE_ONBOARDING_STEP6 = "onboarding/step6"
private const val ROUTE_ONBOARDING_STEP7 = "onboarding/step7"
private const val ROUTE_MAIN = "main"
private const val ROUTE_HOME = "home"
private const val ROUTE_SETTINGS = "settings"

@Composable
fun AppNavHost(
    navController: NavHostController,
    startDestination: String,
    modifier: Modifier = Modifier,
) {
    NavHost(
        navController = navController,
        startDestination = startDestination,
        modifier = modifier,
    ) {
        composable(ROUTE_ONBOARDING_STEP1) {
            OnboardingStep1Screen(
                onNext = { navController.navigate(ROUTE_ONBOARDING_STEP2) },
            )
        }

        composable(ROUTE_ONBOARDING_STEP2) {
            OnboardingStep2Screen(
                onBack = { navController.popBackStack() },
                onNext = { navController.navigate(ROUTE_ONBOARDING_STEP3) },
            )
        }

        composable(ROUTE_ONBOARDING_STEP3) {
            OnboardingStep3Screen(
                onBack = { navController.popBackStack() },
                onNext = { navController.navigate(ROUTE_ONBOARDING_STEP4) }
            )
        }

        composable(ROUTE_ONBOARDING_STEP4) {
            OnboardingStep4Screen(
                onBack = { navController.popBackStack() },
                onNext = { navController.navigate(ROUTE_ONBOARDING_STEP5) }
            )
        }

        composable(ROUTE_ONBOARDING_STEP5) {
            OnboardingStep5Screen(
                onBack = { navController.popBackStack() },
                onNext = { navController.navigate(ROUTE_ONBOARDING_STEP6) }
            )
        }

        composable(ROUTE_ONBOARDING_STEP6) {
            OnboardingStep6Screen(
                onBack = { navController.popBackStack() },
                onNext = { navController.navigate(ROUTE_ONBOARDING_STEP7) },
            )
        }

        composable(ROUTE_ONBOARDING_STEP7) {
            OnboardingStep7Screen(
                onBack = { navController.popBackStack() },
                onFinish = {
                    navController.navigate(ROUTE_HOME) {
                        popUpTo(ROUTE_ONBOARDING_STEP1) { inclusive = true }
                        launchSingleTop = true
                    }
                }
            )
        }

        composable(ROUTE_MAIN) {
            MainScreen()
        }

        composable(ROUTE_HOME) {
            HomeScreen()
        }

        composable(ROUTE_SETTINGS) {
            SettingsScreen()
        }
    }
}