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// Copyright (c) 2017-2023 Cloudflare, Inc.
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// Licensed under the Apache 2.0 license found in the LICENSE file or at:
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//     https://opensource.org/licenses/Apache-2.0
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//
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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/* TODO: the following is adopted code, enabling linting one day */
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/* eslint-disable */
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import { format, formatWithOptions } from 'node-internal:internal_inspect';
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let debugImpls: object = {};
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function debuglogImpl(set: string) {
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  if ((debugImpls as any)[set] === undefined) {
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    (debugImpls as any)[set] = function debug(...args: any[]) {
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      const msg = formatWithOptions({}, ...args);
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      console.log(format('%s: %s\n', set, msg));
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    };
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  }
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  return (debugImpls as any)[set];
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}
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// In Node.js' implementation, debuglog availability is determined by the NODE_DEBUG
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// environment variable. However, we don't have access to the environment variables
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// in the same way. Instead, we'll just always enable debuglog on the requested sets.
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export function debuglog(
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  set: string,
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  cb?: (debug: (...args: any[]) => void) => void
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): any {
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  function init() {
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    set = set.toUpperCase();
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  }
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  let debug = (...args: any[]): void => {
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    init();
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    debug = debuglogImpl(set);
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    if (typeof cb === 'function') {
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      cb(debug);
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    }
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    switch (args.length) {
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      case 1:
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        return debug(args[0]);
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      case 2:
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        return debug(args[0], args[1]);
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      default:
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        return debug(...args);
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    }
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  };
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  const logger = (...args: any[]) => {
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    switch (args.length) {
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      case 1:
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        return debug(args[0]);
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      case 2:
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        return debug(args[0], args[1]);
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      default:
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        return debug(...args);
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    }
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  };
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  Object.defineProperty(logger, 'enabled', {
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    get() {
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      return true;
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    },
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    configurable: true,
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    enumerable: true,
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  });
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  return logger;
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}