//
//  TabBarView.swift
//  jason
//
//  Created by Jason on 2024/1/19.
//

import SwiftUI

struct TabBarView: View {
    @AppStorage("selectedTab") var selectedTab: Tab = .home

    var body: some View {
        NavigationView {
            ZStack {
                Rectangle()
                    .fill(Color.gray.opacity(0.2))
                    .ignoresSafeArea()
                Group {
                    switch selectedTab {
                    case .home:
                        HomeView()
                    case .explore:
                        MallView()
                    case .cart:
                        CartView()
                    case .account:
                        UserView()
                    }
                }

                HStack {
                    ForEach(tabItems) { item in
                        Button(action: {
                            selectedTab = item.tab
                        }, label: {
                            VStack(spacing: 6) {
                                Image(systemName: item.icon).resizable().frame(width: 18, height: 18)
                                Text(item.text)
                                    .navBarText()
                            }
                            .frame(maxWidth: .infinity)
                        })
                        .foregroundColor(selectedTab == item.tab ? Color("MainText") : Color.secondary)
                        .shadow(color: selectedTab == item.tab ? Color.orange : Color.blue, radius: 15)
                    }
                }
                .padding(.vertical, 12.0)
                .background(Color("TabBarColor").ignoresSafeArea())
                .frame(maxHeight: .infinity, alignment: .bottom)
                .shadow(color: Color.gray.opacity(0.5), radius: 6, x: 0, y: 6)
            }
        }
    }
}

#Preview {
    TabBarView()
}