import SwiftUI

// ProfileView is now replaced by SettingsView in MainTabView.
// This file is kept for legacy support (ChangePasswordView is here).

struct ProfileView: View {
    @EnvironmentObject var authManager: AuthManager
    @State private var showChangePassword = false
    var body: some View {
        SettingsView()
    }
}

struct ChangePasswordView: View {
    @Binding var isPresented: Bool
    @EnvironmentObject var authManager: AuthManager
    @State private var oldPassword = ""
    @State private var newPassword = ""
    @State private var confirm = ""
    @State private var isLoading = false
    @State private var errorMessage = ""
    @State private var success = false

    var body: some View {
        ZStack {
            Color(hex: "06060f").ignoresSafeArea()
            VStack(spacing: 16) {
                RoundedRectangle(cornerRadius: 3).fill(Color.white.opacity(0.2)).frame(width: 40, height: 4).padding(.top, 12)
                Text("Смена пароля").font(.title3.bold()).foregroundColor(.white).padding(.top, 4)
                if success {
                    VStack(spacing: 12) {
                        Text("✅").font(.system(size: 50))
                        Text("Пароль изменён!").font(.title2.bold()).foregroundColor(.white)
                    }.padding(.top, 40)
                    Button("Закрыть") { isPresented = false }.foregroundColor(Color(hex: "0D9488"))
                } else {
                    VStack(spacing: 12) {
                        SecureField("Текущий пароль", text: $oldPassword)
                            .padding().background(Color.white.opacity(0.08)).cornerRadius(12).foregroundColor(.white)
                        SecureField("Новый пароль", text: $newPassword)
                            .padding().background(Color.white.opacity(0.08)).cornerRadius(12).foregroundColor(.white)
                        SecureField("Подтвердите пароль", text: $confirm)
                            .padding().background(Color.white.opacity(0.08)).cornerRadius(12).foregroundColor(.white)
                        if !errorMessage.isEmpty {
                            Text(errorMessage).foregroundColor(.red).font(.caption)
                        }
                        Button(action: change) {
                            if isLoading { ProgressView().tint(.black) }
                            else { Text("Сменить").font(.headline).foregroundColor(.black) }
                        }
                        .frame(maxWidth: .infinity).padding()
                        .background(Color(hex: "0D9488")).cornerRadius(12)
                        .disabled(oldPassword.isEmpty || newPassword.isEmpty || isLoading)
                    }
                    Button("Отмена") { isPresented = false }
                        .foregroundColor(Color(hex: "8888aa")).padding(.top, 4)
                }
                Spacer()
            }.padding()
        }
    }

    func change() {
        guard newPassword == confirm else { errorMessage = "Пароли не совпадают"; return }
        guard newPassword.count >= 8 else { errorMessage = "Минимум 8 символов"; return }
        isLoading = true
        Task {
            var req = URLRequest(url: URL(string: "https://api.digital-home.site/auth/password")!)
            req.httpMethod = "PUT"
            req.setValue("application/json", forHTTPHeaderField: "Content-Type")
            req.setValue("Bearer \(authManager.token)", forHTTPHeaderField: "Authorization")
            req.httpBody = try? JSONEncoder().encode(["old_password": oldPassword, "new_password": newPassword])
            let (_, response) = (try? await URLSession.shared.data(for: req)) ?? (Data(), nil)
            await MainActor.run {
                if (response as? HTTPURLResponse)?.statusCode == 200 { success = true }
                else { errorMessage = "Неверный текущий пароль" }
                isLoading = false
            }
        }
    }
}