import SwiftUI

@MainActor
enum AppRoute: Hashable {
    case login
    case avatarBox
    case feedbackView
    case feedbackDetail(type: FeedbackView.FeedbackType)
    case mediaUpload
    case blindBox(mediaType: BlindBoxMediaType, blindBoxId: String? = nil)
    case blindOutcome(media: MediaType, title: String? = nil, description: String? = nil, isMember: Bool, goToFeedback: Bool = false)
    case memories
    case subscribe
    case userInfo
    case account
    case about
    case permissionManagement
    case feedback
    
    @ViewBuilder
    var view: some View {
        switch self {
        case .login:
            LoginView()
        case .avatarBox:
            // AvatarBoxView has been removed; route to BlindBoxView as replacement
            BlindBoxView(mediaType: .all)
        case .feedbackView:
            FeedbackView()
        case .feedbackDetail(let type):
            FeedbackDetailView(feedbackType: type)
        case .mediaUpload:
            MediaUploadView()
        case .blindBox(let mediaType, let blindBoxId):
            BlindBoxView(mediaType: mediaType, blindBoxId: blindBoxId)
        case .blindOutcome(let media, let title, let description, let isMember, let goToFeedback):
            BlindOutcomeView(
                media: media,
                title: title,
                description: description,
                isMember: isMember,
                onContinue: {
                    if goToFeedback {
                        Router.shared.navigate(to: .feedbackView)
                    } else {
                        Router.shared.navigate(to: .blindBox(mediaType: .all))
                    }
                }
            )
        case .memories:
            MemoriesView()
        case .subscribe:
            SubscribeView()
        case .userInfo:
            UserInfo()
        case .account:
            AccountView()
        case .about:
            AboutUsView()
        case .permissionManagement:
            PermissionManagementView()
        case .feedback:
            FeedbackView()
        }
    }
}

@MainActor
class Router: ObservableObject {
    static let shared = Router()
    
    @Published var path = NavigationPath()
    
    private init() {}
    
    func navigate(to destination: AppRoute) {
        path.append(destination)
    }
    
    func pop() {
        path.removeLast()
    }
    
    func popToRoot() {
        path = NavigationPath()
    }
}