/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#include "HttpUtils.h"

#include <algorithm>

namespace facebook::react::jsinspector_modern {

std::string httpReasonPhrase(uint16_t status) {
  switch (status) {
    case 100:
      return "Continue";
    case 101:
      return "Switching Protocols";
    case 102:
      return "Processing";
    case 103:
      return "Early Hints";

    case 200:
      return "OK";
    case 201:
      return "Created";
    case 202:
      return "Accepted";
    case 203:
      return "Non-Authoritative Information";
    case 204:
      return "No Content";
    case 205:
      return "Reset Content";
    case 206:
      return "Partial Content";
    case 207:
      return "Multi-Status";
    case 208:
      return "Already Reported";
    case 226:
      return "IM Used";

    case 300:
      return "Multiple Choices";
    case 301:
      return "Moved Permanently";
    case 302:
      return "Found";
    case 303:
      return "See Other";
    case 304:
      return "Not Modified";
    case 305:
      return "Use Proxy";
    case 307:
      return "Temporary Redirect";
    case 308:
      return "Permanent Redirect";

    case 400:
      return "Bad Request";
    case 401:
      return "Unauthorized";
    case 402:
      return "Payment Required";
    case 403:
      return "Forbidden";
    case 404:
      return "Not Found";
    case 405:
      return "Method Not Allowed";
    case 406:
      return "Not Acceptable";
    case 407:
      return "Proxy Authentication Required";
    case 408:
      return "Request Timeout";
    case 409:
      return "Conflict";
    case 410:
      return "Gone";
    case 411:
      return "Length Required";
    case 412:
      return "Precondition Failed";
    case 413:
      return "Payload Too Large";
    case 414:
      return "URI Too Long";
    case 415:
      return "Unsupported Media Type";
    case 416:
      return "Range Not Satisfiable";
    case 417:
      return "Expectation Failed";
    case 418:
      return "I'm a teapot";
    case 421:
      return "Misdirected Request";
    case 422:
      return "Unprocessable Entity";
    case 423:
      return "Locked";
    case 424:
      return "Failed Dependency";
    case 425:
      return "Too Early";
    case 426:
      return "Upgrade Required";
    case 428:
      return "Precondition Required";
    case 429:
      return "Too Many Requests";
    case 431:
      return "Request Header Fields Too Large";
    case 451:
      return "Unavailable For Legal Reasons";

    case 500:
      return "Internal Server Error";
    case 501:
      return "Not Implemented";
    case 502:
      return "Bad Gateway";
    case 503:
      return "Service Unavailable";
    case 504:
      return "Gateway Time-out";
    case 505:
      return "HTTP Version Not Supported";
    case 506:
      return "Variant Also Negotiates";
    case 507:
      return "Insufficient Storage";
    case 508:
      return "Loop Detected";
    case 510:
      return "Not Extended";
    case 511:
      return "Network Authentication Required";
  }

  return "<Unknown>";
}

std::string mimeTypeFromHeaders(
    const std::map<std::string, std::string>& headers) {
  std::string mimeType = "application/octet-stream";

  for (const auto& [name, value] : headers) {
    std::string lowerName = name;
    std::transform(
        lowerName.begin(), lowerName.end(), lowerName.begin(), ::tolower);
    if (lowerName == "content-type") {
      // Parse MIME type (discarding any parameters after ";") from the
      // Content-Type header
      // https://datatracker.ietf.org/doc/html/rfc7231#section-3.1.1.1
      size_t pos = value.find(';');
      if (pos != std::string::npos) {
        mimeType = value.substr(0, pos);
      } else {
        mimeType = value;
      }
      break;
    }
  }

  return mimeType;
}

} // namespace facebook::react::jsinspector_modern