import { User } from '../../domain/User';
import { UserDTO } from '../dtos/UserDTO';
import { DID } from '../../domain/value-objects/DID';
import { Handle } from '../../domain/value-objects/Handle';
import { UniqueEntityID } from 'src/shared/domain/UniqueEntityID';

export class UserMap {
  public static toDTO(user: User): UserDTO {
    return {
      did: user.did.value,
      handle: user.handle?.value,
      linkedAt: user.linkedAt,
      lastLoginAt: user.lastLoginAt,
    };
  }

  public static toDomain(dto: UserDTO): User {
    const didOrError = DID.create(dto.did);

    if (didOrError.isErr()) {
      throw new Error(`Could not create DID: ${didOrError.error.message}`);
    }

    let handle: Handle | undefined;
    if (dto.handle) {
      const handleOrError = Handle.create(dto.handle);
      if (handleOrError.isOk()) {
        handle = handleOrError.value;
      }
    }

    const userOrError = User.create(
      {
        did: didOrError.value,
        handle,
        linkedAt: dto.linkedAt,
        lastLoginAt: dto.lastLoginAt,
      },
      new UniqueEntityID(dto.did),
    );

    if (userOrError.isErr()) {
      throw new Error(`Could not create User: ${userOrError.error.message}`);
    }

    return userOrError.value;
  }
}