import { Inject, Injectable } from '@nestjs/common';
import {
  InvalidProfileSlugError,
  ProfileNotFoundError,
} from '../domain/errors.js';
import type { PublicProfile } from '../domain/profile.js';
import type { RelationPlan } from '../domain/relation-plan.js';
import {
  PROFILE_REPOSITORY,
  type ProfileRepository,
} from './profile.repository.js';

const SLUG = /^[a-z0-9]+(?:-[a-z0-9]+)*$/;

@Injectable()
export class ProfileService {
  constructor(
    @Inject(PROFILE_REPOSITORY) private readonly profiles: ProfileRepository,
  ) {}

  async getBySlug(slug: string, plan: RelationPlan): Promise<PublicProfile> {
    if (slug.length > 64 || !SLUG.test(slug)) {
      throw new InvalidProfileSlugError(slug);
    }

    const profile = await this.profiles.findBySlug(slug, plan);
    if (!profile) {
      throw new ProfileNotFoundError(slug);
    }

    return profile;
  }
}