import { writeGeneratedFile } from "../../helpers/fs";
import { generateFileHeader } from "../types/fileHeader";

const FILE_NAME = "base.ts";

export function generateBaseFetcher(outputDir: string): void {
  const content = `${generateFileHeader(FILE_NAME)}
import { Response } from "node-fetch";
import { AttioClient } from "../attioClient";
import { AttioAttributeValue } from "../types";

export class HTTPResponseError extends Error {
  constructor(public response: Response) {
    super(\`HTTP Error Response: $\{response.status} $\{response.statusText}\`);
    this.response = response;
  }
}

export abstract class BaseFetcher {
  constructor(protected readonly client: AttioClient) {}

  protected abstract createBaseUrl(...args: any[]): string;

  protected async extractData<R>(responsePromise: Promise<Response>): Promise<R> {
    const response = await responsePromise;
    if (response.ok) {
      return (await response.json() as { data: R; }).data as R;
    }

    throw new HTTPResponseError(response);
  }
}
`;

  writeGeneratedFile(outputDir, FILE_NAME, content);
}