import { Result, UniqueID } from "@common/domain";
import { AuthenticatedUser, EmailAddress, HashPassword, Username } from "@contexts/auth/domain";
import { AuthUserModel } from "../sequelize";
import { IAuthenticatedUserMapper } from "./authenticated-user-mapper.interface";

export class AuthenticatedUserMapper implements IAuthenticatedUserMapper {
  /**
   * 🔹 Convierte una entidad de la base de datos en un agregado de dominio `AuthenticatedUser`
   */
  toDomain(entity: AuthUserModel): Result<AuthenticatedUser, Error> {
    if (!entity) {
      return Result.fail(new Error("Entity not found"));
    }

    // Crear Value Objects asegurando que sean válidos
    const uniqueIdResult = UniqueID.create(entity.id);
    const usernameResult = Username.create(entity.username);
    const passwordHashResult = HashPassword.createFromHash(entity.hash_password);
    const emailResult = EmailAddress.create(entity.email);

    // Validar que no haya errores en la creación de los Value Objects
    const okOrError = Result.combine([
      uniqueIdResult,
      usernameResult,
      passwordHashResult,
      emailResult,
    ]);
    if (okOrError.isFailure) {
      return Result.fail(okOrError.error.message);
    }

    // Crear el agregado de dominio
    return AuthenticatedUser.create(
      {
        username: usernameResult.data!,
        email: emailResult.data!,
        hashPassword: passwordHashResult.data!,
        roles: entity.roles || [],
      },
      uniqueIdResult.data!
    );
  }

  /**
   * 🔹 Convierte un agregado `AuthenticatedUser` en un objeto listo para persistencia
   */
  toPersistence(authenticatedUser: AuthenticatedUser): AuthUserModel {
    return authenticatedUser.toPersistenceData();
  }
}

export const createAuthenticatedUserMapper = (): IAuthenticatedUserMapper =>
  new AuthenticatedUserMapper();