/**
 * Content Enrichment Service
 * Matches IPTV content to TMDb entries and fetches posters/metadata
 */
import type { TMDbClient } from '@visioo/api-client';
import type { Movie, Series } from '../types';
export interface EnrichmentResult {
    posterUrl: string | null;
    backdropUrl: string | null;
    tmdbId: number | null;
    confidence: number;
    genres: string[];
    title: string | null;
    rating: number | null;
}
export interface ContentEnrichmentService {
    /**
     * Enrich a movie with TMDb poster
     */
    enrichMovie(movie: Movie): Promise<EnrichmentResult>;
    /**
     * Enrich a series with TMDb poster
     */
    enrichSeries(series: Series): Promise<EnrichmentResult>;
    /**
     * Batch enrich multiple movies
     * Returns a plain object (Record) instead of Map for JSON serialization compatibility
     */
    enrichMovies(movies: Movie[]): Promise<Record<string, EnrichmentResult>>;
    /**
     * Batch enrich multiple series
     * Returns a plain object (Record) instead of Map for JSON serialization compatibility
     */
    enrichSeriesBatch(seriesList: Series[]): Promise<Record<string, EnrichmentResult>>;
}
export declare class TMDbContentEnrichmentService implements ContentEnrichmentService {
    private tmdb;
    private cache;
    private searchCache;
    private readonly SEARCH_CACHE_TTL;
    private readonly GENRE_MAP;
    constructor(tmdb: TMDbClient);
    /**
     * Map genre IDs to genre names
     */
    private mapGenreIds;
    /**
     * Normalize title for matching
     */
    private normalizeTitle;
    /**
     * Extract year from title or use provided year
     */
    private extractYear;
    /**
     * Calculate similarity between two titles using word-based matching
     */
    private calculateSimilarity;
    /**
     * Find best match from TMDb search results
     */
    private findBestMatch;
    /**
     * Search TMDb with caching
     * @param query - Search query
     * @param type - 'movie' or 'tv'
     * @param year - Optional year filter for more precise results
     */
    private searchTMDb;
    /**
     * Search TMDb with multiple fallback strategies for better matching
     * Strategy 1: Clean title (year stripped) + year filter - most precise
     * Strategy 2: Clean title (year stripped) without year filter - broader
     * Strategy 3: Original cleaned title without year filter - fallback
     * Strategy 4: For pure non-Latin titles, search with native language parameter
     */
    private searchTMDbWithStrategies;
    /**
     * Search TMDb with a specific language parameter
     * Used for searching non-Latin titles in their native language
     */
    private searchTMDbWithLanguage;
    enrichMovie(movie: Movie): Promise<EnrichmentResult>;
    enrichSeries(series: Series): Promise<EnrichmentResult>;
    enrichMovies(movies: Movie[]): Promise<Record<string, EnrichmentResult>>;
    enrichSeriesBatch(seriesList: Series[]): Promise<Record<string, EnrichmentResult>>;
    /**
     * Clear cache
     */
    clearCache(): void;
}
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