open-TestChatApp-iOS/Chat/UI/ContentView.swift

//
//  ContentView.swift
//  Shared
//
//  Created by Sergey Tarasov on 24.07.2022.
//

import SwiftUI

struct ContentView: View {
    @State var selectedTab: Tab = .rooms
	
    var body: some View {
		NavigationView {
			TabView(selection: $selectedTab) {
				ChatListView()
					.navigationViewStyle(StackNavigationViewStyle())
					.tabItem {
						Label(Tab.contacts.string, systemImage: "person.crop.circle")
					}
					.tag(Tab.contacts)

				RoomsListView()
					.navigationViewStyle(StackNavigationViewStyle())
					.tabItem {
						Label(Tab.rooms.string, systemImage: "bubble.left.and.bubble.right")
					}
					.tag(Tab.rooms)

				Text("")
					.navigationBarTitleDisplayMode(.inline)
					.navigationViewStyle(StackNavigationViewStyle())
					.tabItem {
						Label(Tab.settings.string, systemImage: "gear")
					}
					.tag(Tab.settings)
			}
			.navigationBarTitle(returnNaviBarTitle(self.selectedTab))
		}
    }

    func returnNaviBarTitle(_ tabSelection: Tab) -> String {
        switch tabSelection {
        case .contacts: return "Контакты"
        case .rooms: return "Чаты"
        case .settings: return "Настройки"
        }
    }

    enum Tab {
        case contacts
        case rooms
		case settings

		var string: String {
			switch self {
			case .contacts: return "Контакты"
			case .rooms: return "Чаты"
			case .settings: return "Настройки"
			}
		}
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}