import SwiftUI

enum Route: Hashable {
    case terms, policy
    case registration, loginEmail
    case otp(email: String, phoneNumber: String)
}

struct AuthFlowView: View {
    @Binding var root: RootFlow
    @Binding var selectedTab: MainTab
    let tokenStore: TokenStore
    @Binding var appState: AppState
    var shouldPrepareLoginEntry: Bool = false
    var authEntryAnimationToken: Int = 0

    @State var path: [Route] = []

    var body: some View {
        NavigationStack(path: $path) {
            LoginView(
                root: $root,
                selectedTab: $selectedTab,
                tokenStore: tokenStore,
                appState: $appState,
                shouldPrepareEntryAnimation: shouldPrepareLoginEntry,
                authEntryAnimationToken: authEntryAnimationToken
            ) { route in
                path.append(route)
            }
            .navigationDestination(for: Route.self) { route in
                switch route {
                case .terms:
                    TermsOfUseView()
                case .policy:
                    PrivacyPolicyView()
                case .registration:
                    RegistrationView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState, navigate: { route in path.append(route) })
                case .loginEmail:
                    LoginEmailView(root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState, navigate: { route in path.append(route) })
                case .otp(let email, let phoneNumber):
                    OtpView(email: email, phoneNumber: phoneNumber, root: $root, selectedTab: $selectedTab, tokenStore: tokenStore, appState: $appState)
                }
            }
        }
    }
}