type Openai = {

  api_key: string;

  organization_id: string;

};

/**

 * Create fine tuning job

 * Creates a fine-tuning job which begins the process of creating a new model from a given dataset.

Response includes details of the enqueued job including job status and the name of the fine-tuned models once complete.

Learn more about fine-tuning

 */

export async function main(

  auth: Openai,

  body: {

    model: string | ("babbage-002" | "davinci-002" | "gpt-3.5-turbo");

    training_file: string;

    hyperparameters?: {

      batch_size?: "auto" | number;

      learning_rate_multiplier?: "auto" | number;

      n_epochs?: "auto" | number;

      [k: string]: unknown;

    };

    suffix?: string;

    validation_file?: string;

    [k: string]: unknown;

  }

) {

  const url = new URL(`https://api.openai.com/v1/fine_tuning/jobs`);

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "OpenAI-Organization": auth.organization_id,

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.api_key,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}