//
//  ContentView.swift
//  tg_test
//
//  Created by 陳奕呈 on 2026/9/23.
//

import SwiftUI

struct ContentView: View {
    @State private var selectedIndex = 0
    private let tabs = TabItem.allTabs
    
    var body: some View {
        ZStack {
            // Background View Container
            Group {
                switch selectedIndex {
                case 0:
                    HomeView()
                case 1:
                    SearchView()
                case 2:
                    NotificationsView()
                case 3:
                    ProfileView()
                case 4:
                    AnalyticsView()
                case 5:
                    MessagesView()
                case 6:
                    FavoritesView()
                case 7:
                    DownloadsView()
                case 8:
                    CloudView()
                case 9:
                    SettingsView()
                case 10:
                    HelpView()
                default:
                    HomeView()
                }
            }
            .frame(maxWidth: .infinity, maxHeight: .infinity)
            .id(selectedIndex) // Enables smooth transition animation per view change
            .transition(.asymmetric(
                insertion: .opacity.combined(with: .scale(scale: 0.98)),
                removal: .opacity
            ))
            .safeAreaInset(edge: .bottom) {
                // Spacer height corresponding to the WheelNavBar height
                Color.clear.frame(height: 120)
            }
        }
        .overlay(alignment: .bottom) {
            WheelNavBar(selectedIndex: $selectedIndex, tabs: tabs)
        }
        .ignoresSafeArea(.keyboard, edges: .bottom)
    }
}

#Preview {
    ContentView()
}