import { HttpClient, HttpParams } from '@angular/common/http';
import { firstValueFrom } from 'rxjs';
import type { ProviderAdapter, ProviderSearchParams, SearchResult } from '../models';
import { VideoItem } from 'src/app/shared/models/video-item.model';
import { withFilterParams } from './filter-params';
import { readSearchGroup } from '../search-contract';
import { mapProvenance } from './provenance';
import { serverRefValue } from '../../shared/providers/channel-ref';

// TODO: Make SearchResult generic
export class DmAdapter implements ProviderAdapter<VideoItem> {
  key = 'dm' as const;
  label = 'Dailymotion';
  constructor(private http: HttpClient) {}
  async search(params: ProviderSearchParams, _signal: AbortSignal): Promise<SearchResult<VideoItem>> {
    let httpParams = new HttpParams().set('q', params.q).set('providers', 'dm');
    if (params.pageToken) httpParams = httpParams.set('page', params.pageToken);
    if (params.sort) httpParams = httpParams.set('sort', params.sort);
    // Filtres (type / durée / période) : appliqués côté serveur quand le provider
    // le sait, affinés en post-traitement sinon.
    httpParams = withFilterParams(httpParams, params.filters);
    const res = await firstValueFrom(this.http.get<any>(`/api/search`, { params: httpParams }));
    const { items: rawItems, providerError } = readSearchGroup(res, 'dm');
    const items: VideoItem[] = rawItems.map((it: any) => ({
      // Phase 7.3 — provenance (instant de collecte + voie) : propriété de la
      // donnée, pas d'un provider — mapping commun aux 6 adaptateurs.
      ...mapProvenance(it),
      id: it.id,
      provider: 'dailymotion',
      title: it.title,
      channelName: it.uploaderName,
      durationSec: it.duration,
      thumbnailUrl: it.thumbnail,
      viewCount: undefined, // Dailymotion API does not provide view count in search results
      publishedAt: undefined, // Dailymotion API does not provide published date in search results
      channelExternalId: serverRefValue(it.channelRef, 'dm') || it.channelId || undefined,
      channelAvatarUrl: it.uploaderAvatar || undefined,
      // Jouabilité : `allow_embed=false` (propriétaire) => le player répond
      // "Forbidden". Propagé tel quel : `accepts()` l'exclut via le garde
      // `raw.allowEmbed` (même garde que le chemin historique direct).
      // Champ absent = on ne sait pas (jamais de `false` inventé).
      embeddable: typeof it.embeddable === 'boolean' ? it.embeddable : undefined,
      // Signaux de type pour le raffinement client des filtres.
      type: typeof it.type === 'string' ? it.type : undefined,
      isShort: it.isShort === true ? true : undefined,
      // Dimensions (signal d'orientation pour la détection Short).
      width: typeof it.width === 'number' ? it.width : undefined,
      height: typeof it.height === 'number' ? it.height : undefined,
    } as VideoItem));
    return { items, total: rawItems.length, providerError };
  }
}