//
//  medmapApp.swift
//  medmap
//
//  Created by Ricardo Araujo on 26/08/2026.
//

import SwiftUI
import SwiftData

@main
struct medmapApp: App {
    
    
    @StateObject var appStateManager: AppStateManager = DIContainer.shared.resolve()
    @Environment(\.scenePhase) private var scenePhase
    
    var sharedModelContainer: ModelContainer = {
        let schema = Schema([
            Item.self,
        ])
        let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false)

        do {
            return try ModelContainer(for: schema, configurations: [modelConfiguration])
        } catch {
            fatalError("Could not create ModelContainer: \(error)")
        }
    }()

    var body: some Scene {
        WindowGroup {
            createNavigationStack(
                SplashScreenView(viewModel: SplashScreenViewModel())
                    .environmentObject(appStateManager))
        }
        .onChange(of: scenePhase) { oldPhase, newPhase in
            handleScenePhaseChange(from: oldPhase, to: newPhase)
        }
    }
    
    
    private func handleScenePhaseChange(from oldPhase: ScenePhase, to newPhase: ScenePhase) {
        switch newPhase {
        case .active:
            print("🟢 App became active")

           
            

        case .inactive:
            print("🟡 App became inactive")
            // App is transitioning (e.g., notification center pulled down)

        case .background:
            print("🔴 App entered background")
            handleAppEnteredBackground()

        @unknown default:
            break
        }
    }

    private func handleAppEnteredBackground() {
        // Runs when app enters background
        // Example: Save state, pause operations
    }
    
    
   
     func createNavigationStack<V: View>(_ view: V) -> some View {

         return AnyView(NavigationStack(path: $appStateManager.path) {

             view
                 .navigationDestination(for: AppState.self) { destination in

                     switch destination {

                     case .splashScreen:

                         SplashScreenView(viewModel: SplashScreenViewModel())

                             .navigationBarHidden(true)

                             .transition(.move(edge: .bottom))
                             .animation(.easeInOut, value: 10)

                    
                         
                     }
                 }
         })
     }
    
}