// frontend/src/api/services/auth.service.ts
/**
 * Authentication Service
 * Handles all authentication-related API calls
 */

import { apiClient } from '../client';
import { serviceEndpoints } from '../client/config';
import type {
  LoginRequest,
  LoginResponse,
  RegisterRequest,
  UserResponse,
  PasswordResetRequest,
  PasswordResetResponse,
  PasswordResetConfirmRequest,
  TokenVerification,
  LogoutResponse,
} from '../types';

export class AuthService {
  private baseEndpoint = serviceEndpoints.auth;

  /**
   * User Registration
   */
  async register(data: RegisterRequest): Promise<{ user: UserResponse }> {
    return apiClient.post(`${this.baseEndpoint}/register`, data);
  }

  /**
   * User Login
   */
  async login(credentials: LoginRequest): Promise<LoginResponse> {
    return apiClient.post(`${this.baseEndpoint}/login`, credentials);
  }

  /**
   * User Logout
   */
  async logout(): Promise<LogoutResponse> {
    return apiClient.post(`${this.baseEndpoint}/logout`);
  }

  /**
   * Get Current User Profile
   */
  async getCurrentUser(): Promise<UserResponse> {
    return apiClient.get(`/users/me`);
  }

  /**
   * Update User Profile
   */
  async updateProfile(data: Partial<UserResponse>): Promise<UserResponse> {
    return apiClient.put(`/users/me`, data);
  }

  /**
   * Verify Token
   */
  async verifyToken(token: string): Promise<TokenVerification> {
    return apiClient.post(`${this.baseEndpoint}/verify-token`, { token });
  }

  /**
   * Refresh Access Token
   */
  async refreshToken(refreshToken: string): Promise<LoginResponse> {
    return apiClient.post(`${this.baseEndpoint}/refresh`, {
      refresh_token: refreshToken,
    });
  }

  /**
   * Request Password Reset
   */
  async requestPasswordReset(data: PasswordResetRequest): Promise<PasswordResetResponse> {
    return apiClient.post(`${this.baseEndpoint}/password-reset`, data);
  }

  /**
   * Confirm Password Reset
   */
  async confirmPasswordReset(data: PasswordResetConfirmRequest): Promise<{ message: string }> {
    return apiClient.post(`${this.baseEndpoint}/password-reset/confirm`, data);
  }

  /**
   * Change Password (for authenticated users)
   */
  async changePassword(currentPassword: string, newPassword: string): Promise<{ message: string }> {
    return apiClient.post(`/users/me/change-password`, {
      current_password: currentPassword,
      new_password: newPassword,
    });
  }

  /**
   * Delete User Account
   */
  async deleteAccount(): Promise<{ message: string }> {
    return apiClient.delete(`/users/me`);
  }
}

export const authService = new AuthService();