/**
 * Auth React Query hooks
 * Updated for atomic registration architecture with 3DS support
 */
import { useMutation, useQuery, useQueryClient, UseQueryOptions, UseMutationOptions } from '@tanstack/react-query';
import { authService } from '../services/auth';
import {
  UserRegistration,
  UserLogin,
  TokenResponse,
  PasswordChange,
  PasswordReset,
  UserResponse,
  UserUpdate,
  TokenVerification,
  RegistrationStartResponse,
  RegistrationCompletionResponse,
  RegistrationVerification,
} from '../types/auth';
import { ApiError } from '../client';
import { useAuthStore } from '../../stores/auth.store';

// Query Keys
export const authKeys = {
  all: ['auth'] as const,
  profile: () => [...authKeys.all, 'profile'] as const,
  health: () => [...authKeys.all, 'health'] as const,
  verify: (token?: string) => [...authKeys.all, 'verify', token] as const,
} as const;

// Queries
export const useAuthProfile = (
  options?: Omit<UseQueryOptions<UserResponse, ApiError>, 'queryKey' | 'queryFn'>
) => {
  return useQuery<UserResponse, ApiError>({
    queryKey: authKeys.profile(),
    queryFn: () => authService.getProfile(),
    staleTime: 5 * 60 * 1000, // 5 minutes
    ...options,
  });
};

export const useAuthHealth = (
  options?: Omit<UseQueryOptions<{ status: string; service: string }, ApiError>, 'queryKey' | 'queryFn'>
) => {
  return useQuery<{ status: string; service: string }, ApiError>({
    queryKey: authKeys.health(),
    queryFn: () => authService.healthCheck(),
    staleTime: 30 * 1000, // 30 seconds
    ...options,
  });
};

export const useVerifyToken = (
  token?: string,
  options?: Omit<UseQueryOptions<TokenVerification, ApiError>, 'queryKey' | 'queryFn'>
) => {
  return useQuery<TokenVerification, ApiError>({
    queryKey: authKeys.verify(token),
    queryFn: () => authService.verifyToken(token),
    enabled: !!token,
    staleTime: 5 * 60 * 1000, // 5 minutes
    ...options,
  });
};

// Mutations
export const useStartRegistration = (
  options?: UseMutationOptions<RegistrationStartResponse, ApiError, UserRegistration>
) => {
  const queryClient = useQueryClient();
  
  return useMutation<RegistrationStartResponse, ApiError, UserRegistration>({
    mutationFn: (userData: UserRegistration) => authService.startRegistration(userData),
    onSuccess: (data) => {
      // If no 3DS required, update profile query with new user data
      if (data.user) {
        queryClient.setQueryData(authKeys.profile(), data.user);
      }
    },
    ...options,
  });
};

/**
 * Hook for completing registration after 3DS verification
 * This is the second step in the atomic registration flow
 */
export const useCompleteRegistration = (
  options?: UseMutationOptions<RegistrationCompletionResponse, ApiError, RegistrationVerification>
) => {
  const queryClient = useQueryClient();
  
  return useMutation<RegistrationCompletionResponse, ApiError, RegistrationVerification>({
    mutationFn: (verificationData: RegistrationVerification) => authService.completeRegistration(verificationData),
    onSuccess: (data) => {
      // Update profile query with new user data
      if (data.user) {
        queryClient.setQueryData(authKeys.profile(), data.user);
      }
      // Invalidate all queries to refresh data
      queryClient.invalidateQueries({ queryKey: ['auth'] });
    },
    ...options,
  });
};




export const useLogin = (
  options?: UseMutationOptions<TokenResponse, ApiError, UserLogin>
) => {
  const queryClient = useQueryClient();
  
  return useMutation<TokenResponse, ApiError, UserLogin>({
    mutationFn: (loginData: UserLogin) => authService.login(loginData),
    onSuccess: (data) => {
      // Update profile query with new user data
      if (data.user) {
        queryClient.setQueryData(authKeys.profile(), data.user);
      }
      // Invalidate all queries to refresh data
      queryClient.invalidateQueries({ queryKey: ['auth'] });
    },
    ...options,
  });
};

export const useRefreshToken = (
  options?: UseMutationOptions<TokenResponse, ApiError, string>
) => {
  return useMutation<TokenResponse, ApiError, string>({
    mutationFn: (refreshToken: string) => authService.refreshToken(refreshToken),
    ...options,
  });
};

export const useLogout = (
  options?: UseMutationOptions<{ message: string }, ApiError, string>
) => {
  const queryClient = useQueryClient();
  
  return useMutation<{ message: string }, ApiError, string>({
    mutationFn: (refreshToken: string) => authService.logout(refreshToken),
    onSuccess: () => {
      // Clear all queries on logout
      queryClient.clear();
    },
    ...options,
  });
};

export const useChangePassword = (
  options?: UseMutationOptions<{ message: string }, ApiError, PasswordChange>
) => {
  return useMutation<{ message: string }, ApiError, PasswordChange>({
    mutationFn: (passwordData: PasswordChange) => authService.changePassword(passwordData),
    ...options,
  });
};

export const useResetPassword = (
  options?: UseMutationOptions<{ message: string }, ApiError, PasswordReset>
) => {
  return useMutation<{ message: string }, ApiError, PasswordReset>({
    mutationFn: (resetData: PasswordReset) => authService.resetPassword(resetData),
    ...options,
  });
};

export const useUpdateProfile = (
  options?: UseMutationOptions<UserResponse, ApiError, UserUpdate>
) => {
  const queryClient = useQueryClient();
  
  return useMutation<UserResponse, ApiError, UserUpdate>({
    mutationFn: (updateData: UserUpdate) => authService.updateProfile(updateData),
    onSuccess: (data) => {
      // Update the profile cache
      queryClient.setQueryData(authKeys.profile(), data);
      // Update the auth store user to maintain consistency
      const authStore = useAuthStore.getState();
      if (authStore.user) {
        authStore.updateUser(data as any);
      }
    },
    ...options,
  });
};

export const useVerifyEmail = (
  options?: UseMutationOptions<{ message: string }, ApiError, { userId: string; verificationToken: string }>
) => {
  const queryClient = useQueryClient();
  
  return useMutation<{ message: string }, ApiError, { userId: string; verificationToken: string }>({
    mutationFn: ({ userId, verificationToken }) => 
      authService.verifyEmail(userId, verificationToken),
    onSuccess: () => {
      // Invalidate profile to get updated verification status
      queryClient.invalidateQueries({ queryKey: authKeys.profile() });
    },
    ...options,
  });
};