/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsAboutProtocolUtils_h
#define nsAboutProtocolUtils_h

#include "mozilla/Try.h"
#include "nsIURI.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "nsIAboutModule.h"
#include "nsServiceManagerUtils.h"
#include "prtime.h"

[[nodiscard]] inline nsresult NS_GetAboutModuleName(nsIURI* aAboutURI,
                                                    nsCString& aModule) {
  NS_ASSERTION(aAboutURI->SchemeIs("about"),
               "should be used only on about: URIs");

  MOZ_TRY(aAboutURI->GetPathQueryRef(aModule));

  int32_t f = aModule.FindCharInSet("#?"_ns);
  if (f != kNotFound) {
    aModule.Truncate(f);
  }

  // convert to lowercase, as all about: modules are lowercase
  ToLowerCase(aModule);
  return NS_OK;
}

[[nodiscard]] inline bool NS_IsContentAccessibleAboutURI(nsIURI* aURI) {
  MOZ_ASSERT(aURI->SchemeIs("about"), "Should be used only on about: URIs");
  nsAutoCString name;
  if (NS_WARN_IF(NS_FAILED(NS_GetAboutModuleName(aURI, name)))) {
    return true;
  }
  return name.EqualsLiteral("blank") || name.EqualsLiteral("srcdoc");
}

inline nsresult NS_GetAboutModule(nsIURI* aAboutURI, nsIAboutModule** aModule) {
  MOZ_ASSERT(aAboutURI, "Must have URI");

  nsAutoCString contractID;
  MOZ_TRY(NS_GetAboutModuleName(aAboutURI, contractID));

  // look up a handler to deal with "what"
  contractID.InsertLiteral(NS_ABOUT_MODULE_CONTRACTID_PREFIX, 0);

  return CallGetService(contractID.get(), aModule);
}

inline PRTime SecondsToPRTime(uint32_t t_sec) {
  return (PRTime)t_sec * PR_USEC_PER_SEC;
}

inline void PrintTimeString(char* buf, uint32_t bufsize, uint32_t t_sec) {
  PRExplodedTime et;
  PRTime t_usec = SecondsToPRTime(t_sec);
  PR_ExplodeTime(t_usec, PR_LocalTimeParameters, &et);
  PR_FormatTime(buf, bufsize, "%Y-%m-%d %H:%M:%S", &et);
}

#endif