import { EmbeddingModel } from './embedding-model';
import { LanguageModel } from './language-model';
import { ImageModel } from './image-model';
import { RerankingModel } from './reranking-model';

/**
 * Provider for language, text embedding, and image models.
 */
export type Provider = {
  /**
   * Returns the language model with the given id.
   * The model id is then passed to the provider function to get the model.
   *
   * @param {string} modelId - The id of the model to return.
   *
   * @returns {LanguageModel} The language model associated with the id
   *
   * @throws {NoSuchModelError} If no such model exists.
   */
  languageModel(modelId: string): LanguageModel;

  /**
   * Returns the text embedding model with the given id.
   * The model id is then passed to the provider function to get the model.
   *
   * @param {string} modelId - The id of the model to return.
   *
   * @returns {EmbeddingModel} The embedding model associated with the id
   *
   * @throws {NoSuchModelError} If no such model exists.
   */
  embeddingModel(modelId: string): EmbeddingModel;

  /**
   * Returns the image model with the given id.
   * The model id is then passed to the provider function to get the model.
   *
   * @param {string} modelId - The id of the model to return.
   *
   * @returns {ImageModel} The image model associated with the id
   */
  imageModel(modelId: string): ImageModel;

  /**
   * Returns the reranking model with the given id.
   * The model id is then passed to the provider function to get the model.
   *
   * @param {string} modelId - The id of the model to return.
   *
   * @returns {RerankingModel} The reranking model associated with the id
   *
   * @throws {NoSuchModelError} If no such model exists.
   */
  rerankingModel(modelId: string): RerankingModel;
};