import type { ValueObject } from '@core/shared/domain/ValueObject';
import { v4 as uuidv4 } from 'uuid';
import { IdentityDomainValidationError } from '../errors/IdentityDomainError';

export interface RatingEventIdProps {
  value: string;
}

export class RatingEventId implements ValueObject<RatingEventIdProps> {
  readonly value: string;

  private constructor(value: string) {
    this.value = value;
  }

  static create(value: string): RatingEventId {
    if (!value || value.trim().length === 0) {
      throw new IdentityDomainValidationError('RatingEventId cannot be empty');
    }

    const trimmed = value.trim();
    // Basic UUID v4 validation
    const uuidRegex = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i;
    if (!uuidRegex.test(trimmed)) {
      throw new IdentityDomainValidationError(
        `Invalid UUID format: ${value}`
      );
    }

    return new RatingEventId(trimmed);
  }

  static generate(): RatingEventId {
    return new RatingEventId(uuidv4());
  }

  get props(): RatingEventIdProps {
    return { value: this.value };
  }

  equals(other: ValueObject<RatingEventIdProps>): boolean {
    return this.value === other.props.value;
  }

  toString(): string {
    return this.value;
  }
}