import { isUrl } from "../../isUrl.js";
import { downloadBase64 } from "./downloadBase64.js";
import { fs } from "./fs.js";
import { mimeTypes } from "../../types/asset-type/index.js";
import { getExtension } from "../../fs-util-js/index.js";
import { path } from "./path.js";
/**
 * Get the base64 of a file that is located either absolutely in your server, or remotely on a URL
 *
 * Assumes there's internet, otherwise fails silently
 */
export const getBase64 = async (
  urlOrAbsolutePath: string,
): Promise<{
  base64: string;
  contentType: string | null;
  /**
   * filename including extension
   */
  filename: string;
} | null> => {
  if (isUrl(urlOrAbsolutePath)) {
    const result = await downloadBase64(urlOrAbsolutePath);
    return result;
  }

  if (fs.existsSync(urlOrAbsolutePath)) {
    const base64 = await fs
      .readFile(urlOrAbsolutePath)
      .then((buffer) => buffer.toString("base64"));
    const extension = getExtension(urlOrAbsolutePath);
    const contentType: string | null =
      mimeTypes[extension as keyof typeof mimeTypes];
    const filename = path.parse(urlOrAbsolutePath).base;

    return { base64, contentType, filename };
  }

  return null;
};