import { ValueObject } from "core/common/domain";
import { Result } from "core/common/helpers";

interface IAccountStatusProps {
  value: string;
}

export enum ACCOUNT_STATUS {
  INACTIVE = "inactive",
  ACTIVE = "active",
}

export class AccountStatus extends ValueObject<IAccountStatusProps> {
  private static readonly ALLOWED_STATUSES = ["inactive", "active"];

  private static readonly TRANSITIONS: Record<string, string[]> = {
    inactive: [ACCOUNT_STATUS.ACTIVE],
    active: [ACCOUNT_STATUS.INACTIVE],
  };

  static create(value: string): Result<AccountStatus, Error> {
    if (!this.ALLOWED_STATUSES.includes(value)) {
      return Result.fail(new Error(`Estado de la cuenta no válido: ${value}`));
    }

    return Result.ok(
      value === "active" ? AccountStatus.createActive() : AccountStatus.createInactive()
    );
  }

  public static createInactive(): AccountStatus {
    return new AccountStatus({ value: ACCOUNT_STATUS.INACTIVE });
  }

  public static createActive(): AccountStatus {
    return new AccountStatus({ value: ACCOUNT_STATUS.ACTIVE });
  }

  getValue(): string {
    return this.props.value;
  }

  canTransitionTo(nextStatus: string): boolean {
    return AccountStatus.TRANSITIONS[this.props.value].includes(nextStatus);
  }

  transitionTo(nextStatus: string): Result<AccountStatus, Error> {
    if (!this.canTransitionTo(nextStatus)) {
      return Result.fail(
        new Error(`Transición no permitida de ${this.props.value} a ${nextStatus}`)
      );
    }
    return AccountStatus.create(nextStatus);
  }

  toPrimitive(): string {
    return this.getValue();
  }
}