/**
 * Cliente RAWG
 * - `searchGames(query)`
 * - `getGameById(id)`
 */
import { fetch } from 'undici';
import type { MetadataGame, RawgGameResponse, RawgSearchResponse, PlatformInfo } from '../types';

export type { MetadataGame };

const API_BASE = 'https://api.rawg.io/api';

export async function searchGames(query: string): Promise<MetadataGame[]> {
  const key = process.env.RAWG_API_KEY;
  if (!key) return [];

  try {
    const url = `${API_BASE}/games?key=${encodeURIComponent(key)}&search=${encodeURIComponent(
      query
    )}&page_size=10`;
    const res = await fetch(url);
    if (!res.ok) return [];
    const json: RawgSearchResponse = (await res.json()) as RawgSearchResponse;
    const hits: RawgGameResponse[] = Array.isArray(json.results) ? json.results : [];
    return hits.map((r) => {
      const platforms: PlatformInfo[] | undefined = Array.isArray(r.platforms)
        ? r.platforms.map((p) => ({
            id: p.id,
            name: p.name,
            slug: p.name?.toLowerCase().replace(/\s+/g, '-'),
          }))
        : undefined;

      const genres: string[] | undefined = Array.isArray(r.genres)
        ? r.genres.map((g) => g.name)
        : undefined;

      return {
        id: r.id,
        name: r.name,
        slug: r.slug,
        releaseDate: r.released,
        genres,
        platforms,
        coverUrl: r.background_image ?? undefined,
        source: 'rawg',
      };
    });
  } catch (err) {
    // eslint-disable-next-line no-console
    console.debug('rawgClient.searchGames error', err);
    return [];
  }
}

export async function getGameById(id: number): Promise<MetadataGame | null> {
  const key = process.env.RAWG_API_KEY;
  if (!key) return null;

  try {
    const url = `${API_BASE}/games/${encodeURIComponent(String(id))}?key=${encodeURIComponent(
      key
    )}`;
    const res = await fetch(url);
    if (!res.ok) return null;
    const json: RawgGameResponse = (await res.json()) as RawgGameResponse;
    if (!json) return null;
    const platforms: PlatformInfo[] | undefined = Array.isArray(json.platforms)
      ? json.platforms.map((p) => ({
          id: p.id,
          name: p.name,
          slug: p.name?.toLowerCase().replace(/\s+/g, '-'),
        }))
      : undefined;

    const genres: string[] | undefined = Array.isArray(json.genres)
      ? json.genres.map((g) => g.name)
      : undefined;

    return {
      id: json.id,
      name: json.name,
      slug: json.slug,
      releaseDate: json.released,
      genres,
      platforms,
      coverUrl: json.background_image ?? undefined,
      source: 'rawg',
    };
  } catch (err) {
    // eslint-disable-next-line no-console
    console.debug('rawgClient.getGameById error', err);
    return null;
  }
}

/**
 * Metadatos:
 * Autor: GitHub Copilot
 * Última actualización: 2026-02-11
 */