import SwiftUI

struct ProfileTab: View {
    @ObservedObject var viewModel: LoginViewModel
//    @State private var selectedTabIndex = 0
//    @State private var selectedSort = "По дате"
//    @State private var selectedCategory = "#все"
//    @State private var searchQuery = ""
//    @State private var searchQueryArchive = ""
//    @State private var searchQuerySaved = ""
//    @State private var searchQueryLiked = ""
    @State private var isContentLoaded = true

    @State private var accounts = ["@user1", "@user2", "@user3"]
    @State private var selectedAccount = "@user1"
    
    let followers = ["@alice", "@bob", "@charlie"]
    let following = ["@dev", "@design", "@ios"]
    
    @State private var sheetType: SheetType? = nil
    enum SheetType: Identifiable {
        case accountShare

        var id: Int {
            switch self {
            case .accountShare: return 1
            }
        }
    }

    var body: some View {
        NavigationView {
            if !isContentLoaded{
                SplashScreenView()
            } else {
            GeometryReader { geometry in
                VStack(spacing: 0) {
                    ScrollView {
                        // ───── Шапка профиля (занимает ~50% экрана) ─────
                        header
                            .frame(minHeight: geometry.size.height * 0.5)
                            .frame(maxWidth: .infinity)
                            .background(Color(.systemBackground))

                        // ───── Скролл с контентом ─────
                    
                        ProfileContentTabbedGrid(isContentLoaded: isContentLoaded)
                        
                    }
                    .frame(maxWidth: .infinity)
                }
                .frame(maxWidth: .infinity, maxHeight: .infinity)
            }
            .navigationBarTitleDisplayMode(.inline)
            .toolbar {
                ToolbarItem(placement: .principal) {
                    Button(action: {
                        sheetType = .accountShare
                    }) {
                        HStack(spacing: 4) {
                            Text("custom_user_name")
                                .font(.headline)
                                .foregroundColor(.primary)
                            Image(systemName: "chevron.down")
                                .font(.subheadline)
                                .foregroundColor(.gray)
                        }
                    }
                }

                ToolbarItem(placement: .navigationBarTrailing) {
                    NavigationLink(destination: SettingsView(viewModel: viewModel)) {
                        Image(systemName: "wrench")
                            .imageScale(.large)
                    }
                }
            }
            .sheet(item: $sheetType) { type in
                switch type {
                case .accountShare:
                    AccountShareSheet(
                        isPresented: Binding(
                            get: { sheetType != nil },
                            set: { if !$0 { sheetType = nil } }
                        ),
                        selectedAccount: $selectedAccount,
                        accounts: accounts
                    )
                }
            }
        }
        }
        .navigationViewStyle(StackNavigationViewStyle())
//        .onAppear {
//            if !isContentLoaded {
//                DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
//                    isContentLoaded = true
//                }
//            }
//        }
    }

    // MARK: - Шапка профиля
    private var header: some View {
        VStack(spacing: 12) {
            // Аватар и имя
            VStack(spacing: 6) {
                Image(systemName: "person.crop.circle.fill")
                    .resizable()
                    .frame(width: 72, height: 72)
                    .foregroundColor(.gray)

                Text(selectedAccount)
                    .font(.headline)
            }
            .padding(.top, 16)

            Text("iOS разработчик, делаю интерфейсы, иногда снимаю блоги и делюсь кодом. Всегда рад новым подписчикам и интересным проектам.")
                .font(.subheadline)
                .foregroundColor(.secondary)
                .multilineTextAlignment(.center)
                .padding(.horizontal)

            // Статистика
            HStack(spacing: 32) {
                statView("24", "Посты")
                NavigationLink(destination: FollowersView(followers: followers)) {
                    statView("1.2k", "Подписчики")
                }
                NavigationLink(destination: FollowingView(following: following)) {
                    statView("156", "Подписки")
                }
            }
        }
        .padding(.horizontal)
    }

    // MARK: - Статистика
    func statView(_ value: String, _ label: String) -> some View {
        VStack {
            Text(value)
                .font(.headline)
            Text(label)
                .font(.caption)
        }
    }
}