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import { extractModelAndProvider } from "./extract-model-and-provider";

/**

 * Given a list of models, organize them by provider

 * @param models The list of models

 * @returns An object containing the provider and models

 *

 * @example

 * const models = [

 *  "azure/ada",

 *  "azure/gpt-35-turbo",

 *  "cohere.command-r-v1:0",

 * ];

 *

 * organizeModelsAndProviders(models);

 * // returns {

 * //   azure: {

 * //     separator: "/",

 * //     models: ["ada", "gpt-35-turbo"],

 * //   },

 * //   cohere: {

 * //     separator: ".",

 * //     models: ["command-r-v1:0"],

 * //   },

 * // }

 */
export const organizeModelsAndProviders = (models: string[]) => {
  const object: Record<string, { separator: string; models: string[] }> = {};

  models.forEach((model) => {
    const {
      separator,
      provider,
      model: modelId,
    } = extractModelAndProvider(model);

    // Ignore "anthropic" providers with a separator of "."
    // These are outdated and incompatible providers.
    if (provider === "anthropic" && separator === ".") {
      return;
    }

    const key = provider || "other";
    if (!object[key]) {
      object[key] = { separator, models: [] };
    }
    object[key].models.push(modelId);
  });

  return object;
};