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import { Drash } from "../../mod.ts";import { MultipartReader } from "../../deps.ts";
/** * This class helps perform HTTP-related processes. */export class HttpService {  //////////////////////////////////////////////////////////////////////////////  // FILE MARKER - METHODS - PUBLIC ////////////////////////////////////////////  //////////////////////////////////////////////////////////////////////////////
  /**   * Checks if the incoming request accepts the type(s) in the parameter.  This   * method will check if the requests `Accept` header contains the passed in   * types   *   * @param request - The request object containing the `Accept` header.   * @param type - The content-type/mime-type(s) to check if the request accepts   * it.   *   * @remarks   * Below are examples of how this method is called from the request object   * and used in resources:   *   * ```ts   * // File: your_resource.ts // assumes the request accepts "text/html"   * const val = this.request.accepts("text/html"); // "text/html"   *   * // or can also pass in an array and will match on the first one found   * const val = this.request.accepts(["text/html", "text/xml"]); // "text/html"   *   * // and will return false if not found   * const val = this.request.accepts("text/xml"); // false   * ```   * @returns False if the request doesn't accept any of the passed in types, or   * the content type that was matches   */  public accepts(    request: Drash.Http.Request,    type: string | string[],  ): boolean | string {    let acceptHeader = request.headers.get("Accept");
    if (!acceptHeader) {      acceptHeader = request.headers.get("accept");    }
    if (!acceptHeader) {      return false;    }
    // for when `type` is a string    if (typeof type === "string") {      return acceptHeader.indexOf(type) >= 0 ? type : false;    }
    // for when `type` is an array    const matches = type.filter((t) => acceptHeader!.indexOf(t) >= 0);    return matches.length ? matches[0] : false; // return first match  }
  /**   * Get a MIME type for a file based on its extension.   *   * @param filePath - The file path in question.   * @param fileIsUrl - (optional) Is the file path  a URL to a file? Defaults   * to false.  If the file path is a URL, then this method will make sure the   * URL query string is not included while doing a lookup of the file's   * extension.   *   * @returns The name of the MIME type based on the extension of the file path   * .   */  public getMimeType(    filePath: string | undefined,    fileIsUrl: boolean = false,  ): null | string {    let mimeType = null;
    if (fileIsUrl) {      filePath = filePath ? filePath.split("?")[0] : undefined;    }
    if (filePath) {      let fileParts = filePath.split(".");      filePath = fileParts.pop();
      const database = Drash.Dictionaries.MimeDb;
      for (let key in database) {        if (!mimeType) {          const extensions = database[key].extensions;          if (extensions) {            extensions.forEach((extension: string) => {              if (filePath == extension) {                mimeType = key;              }            });          }        }      }    }
    return mimeType;  }}