import { JsonObject } from '@croct/json';

type EntityMap = {
    post: ArticleEntity;
    article: ArticleEntity;
    product: ProductEntity;
    service: ProductEntity;
};
type ProductEntity = {
    id?: string;
    sku?: string;
    name?: string;
    category?: string;
    brand?: string;
    variant?: string;
    displayPrice?: number;
    originalPrice?: number;
    url?: string;
    imageUrl?: string;
};
type ArticleEntity = {
    id?: string;
    url?: string;
    title?: string;
    tags?: string[];
    categories?: string[];
    authors?: string[];
    publishTime?: number;
    updateTime?: number;
};
type EntityType = keyof EntityMap;
type Entity<T extends EntityType = EntityType> = {
    [K in T]: {
        type: K;
    } & EntityMap[K];
}[T];
declare function parseEntity(content: string): Entity | null;
declare function extractEntity(data: JsonObject): Entity | null;
declare function extractArticle(data: JsonObject): ArticleEntity;
declare function extractProduct(data: JsonObject): ProductEntity;

export { type ArticleEntity, type Entity, type EntityType, type ProductEntity, extractArticle, extractEntity, extractProduct, parseEntity };