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import { ConsoleLogger, LoggerConfigs } from "./deps.ts";import { IService, Request, Response, Service } from "../../../mod.ts";
/** * See * https://doc.deno.land/https/deno.land/x/drash/src/interfaces/logger_configs.ts * for information on `Drash.Interfaces.LoggerConfigs`. * * response_time?: boolean * *     Are response times enabled? */interface IDexterConfigs extends LoggerConfigs {  // deno-lint-ignore camelcase  response_time?: boolean;  url?: boolean;  datetime?: boolean;  method?: boolean;  enabled?: boolean;}
/** * A logger middleware inspired by https://www.npmjs.com/package/morgan. * * @param configs - See IDexterConfigs * * @example * ```ts * const dexter = Dexter() * const dexter = Dexter({ *  response_time: true, * * }) * ``` */export class DexterService extends Service implements IService {  public configs: IDexterConfigs;
  #timeEnd = 0;
  #timeStart = 0;
  public logger: ConsoleLogger;
  constructor(configs: IDexterConfigs = {}) {    super();
    configs = {      level: configs.level ?? "all",      datetime: configs.datetime || true,      url: configs.url || false,      method: configs.method || false,      response_time: configs.response_time || false,      enabled: configs.enabled === undefined ? true : configs.enabled,      tag_string: configs.tag_string ?? "",      tag_string_fns: configs.tag_string_fns ?? {},    };
    this.configs = configs;
    // If a user has defined specific strings we allow, ensure they are set    // before we hand it off to unilogger to process into a log statement    if (configs?.datetime !== false) {      this.configs.tag_string += "{datetime} |";      this.configs.tag_string_fns!.datetime = () =>        new Date().toISOString().replace("T", " ").split(".")[0];    }
    this.logger = new ConsoleLogger(this.configs);  }
  runBeforeResource(request: Request, _response: Response) {    if (this.configs.enabled === false) {      return;    }
    this.#timeStart = new Date().getTime();    let message = "Request received";
    if (this.configs.url) {      message = request.url + " | " + message;    }
    if (this.configs.method) {      message = request.method.toUpperCase() + " | " + message;    }
    this.logger.info(message);  }
  runAfterResource(request: Request, _response: Response) {    if (!this.configs.response_time) {      return;    }    if (this.configs.enabled === false) {      return;    }    this.#timeEnd = new Date().getTime();    let message = "Response sent [" + getTime(this.#timeEnd, this.#timeStart) +      "]";    if (this.configs.url) {      message = request.url + " | " + message;    }    if (this.configs.method) {      message = request.method.toUpperCase() + " | " + message;    }    this.logger.info(message);  }}
/** * Get the time it takes for the middleware to execute the * request-resource-response lifecycle in ms. * * @param end - The time at the point the response was sent. * @param start - The time at the point the request was received. * * @returns The time in ms as a string. */function getTime(end: number, start: number): string {  return `${end - start} ms`;}