import { AuthApiClient } from '../../api/auth/AuthApiClient';
import { SessionViewModel } from '../../view-models/SessionViewModel';
import type { LoginParamsDTO } from '../../types/generated/LoginParamsDTO';
import type { SignupParamsDTO } from '../../types/generated/SignupParamsDTO';
import type { LoginWithIracingCallbackParamsDTO } from '../../types/generated/LoginWithIracingCallbackParamsDTO';

/**
 * Auth Service
 *
 * Orchestrates authentication operations by coordinating API calls.
 * All dependencies are injected via constructor.
 */
export class AuthService {
  constructor(
    private readonly apiClient: AuthApiClient
  ) {}

  /**
   * Sign up a new user
   */
  async signup(params: SignupParamsDTO): Promise<SessionViewModel> {
    try {
      const dto = await this.apiClient.signup(params);
      return new SessionViewModel(dto.user);
    } catch (error) {
      throw error;
    }
  }

  /**
   * Log in an existing user
   */
  async login(params: LoginParamsDTO): Promise<SessionViewModel> {
    try {
      const dto = await this.apiClient.login(params);
      return new SessionViewModel(dto.user);
    } catch (error) {
      throw error;
    }
  }

  /**
   * Log out the current user
   */
  async logout(): Promise<void> {
    try {
      await this.apiClient.logout();
    } catch (error) {
      throw error;
    }
  }

  /**
   * Get iRacing authentication URL
   */
  getIracingAuthUrl(returnTo?: string): string {
    return this.apiClient.getIracingAuthUrl(returnTo);
  }

  /**
   * Login with iRacing callback
   */
  async loginWithIracingCallback(params: LoginWithIracingCallbackParamsDTO): Promise<SessionViewModel> {
    try {
      const dto = await this.apiClient.loginWithIracingCallback(params);
      return new SessionViewModel(dto.user);
    } catch (error) {
      throw error;
    }
  }
}