import type { AuthCallbackCommandDTO } from '../dto/AuthCallbackCommandDTO';
import type { AuthSessionDTO } from '../dto/AuthSessionDTO';
import type { AuthenticatedUserDTO } from '../dto/AuthenticatedUserDTO';
import type { IdentityProviderPort } from '../ports/IdentityProviderPort';
import type { IdentitySessionPort } from '../ports/IdentitySessionPort';

export class HandleAuthCallbackUseCase {
  private readonly provider: IdentityProviderPort;
  private readonly sessionPort: IdentitySessionPort;

  constructor(provider: IdentityProviderPort, sessionPort: IdentitySessionPort) {
    this.provider = provider;
    this.sessionPort = sessionPort;
  }

  async execute(command: AuthCallbackCommandDTO): Promise<AuthSessionDTO> {
    const user: AuthenticatedUserDTO = await this.provider.completeAuth(command);
    const session = await this.sessionPort.createSession(user);
    return session;
  }
}