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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#include "mozilla/ConsoleReportCollector.h"

#include "ConsoleUtils.h"
#include "nsIConsoleService.h"
#include "nsIScriptError.h"
#include "nsNetUtil.h"

namespace mozilla {

using mozilla::dom::ConsoleUtils;

NS_IMPL_ISUPPORTS(ConsoleReportCollector, nsIConsoleReportCollector)

ConsoleReportCollector::ConsoleReportCollector()
  : mMutex("mozilla::ConsoleReportCollector")
{
}

void
ConsoleReportCollector::AddConsoleReport(uint32_t aErrorFlags,
                                         const nsACString& aCategory,
                                         nsContentUtils::PropertiesFile aPropertiesFile,
                                         const nsACString& aSourceFileURI,
                                         uint32_t aLineNumber,
                                         uint32_t aColumnNumber,
                                         const nsACString& aMessageName,
                                         const nsTArray<nsString>& aStringParams)
{
  // any thread
  MutexAutoLock lock(mMutex);

  mPendingReports.AppendElement(PendingReport(aErrorFlags, aCategory,
                                              aPropertiesFile, aSourceFileURI,
                                              aLineNumber, aColumnNumber,
                                              aMessageName, aStringParams));
}

void
ConsoleReportCollector::FlushReportsToConsole(uint64_t aInnerWindowID,
                                              ReportAction aAction)
{
  nsTArray<PendingReport> reports;

  {
    MutexAutoLock lock(mMutex);
    if (aAction == ReportAction::Forget) {
      mPendingReports.SwapElements(reports);
    } else {
      reports = mPendingReports;
    }
  }

  for (uint32_t i = 0; i < reports.Length(); ++i) {
    PendingReport& report = reports[i];

    nsAutoString errorText;
    nsresult rv;
    if (!report.mStringParams.IsEmpty()) {
      rv = nsContentUtils::FormatLocalizedString(report.mPropertiesFile,
                                                 report.mMessageName.get(),
                                                 report.mStringParams,
                                                 errorText);
    } else {
      rv = nsContentUtils::GetLocalizedString(report.mPropertiesFile,
                                              report.mMessageName.get(),
                                              errorText);
    }
    if (NS_WARN_IF(NS_FAILED(rv))) {
      continue;
    }

    // It would be nice if we did not have to do this since ReportToConsole()
    // just turns around and converts it back to a spec.
    nsCOMPtr<nsIURI> uri;
    if (!report.mSourceFileURI.IsEmpty()) {
      nsresult rv = NS_NewURI(getter_AddRefs(uri), report.mSourceFileURI);
      MOZ_ALWAYS_SUCCEEDS(rv);
      if (NS_FAILED(rv)) {
        continue;
      }
    }

    nsContentUtils::ReportToConsoleByWindowID(errorText,
                                              report.mErrorFlags,
                                              report.mCategory,
                                              aInnerWindowID,
                                              uri,
                                              EmptyString(),
                                              report.mLineNumber,
                                              report.mColumnNumber);
  }
}

void
ConsoleReportCollector::FlushReportsToConsoleForServiceWorkerScope(const nsACString& aScope,
                                                                   ReportAction aAction)
{
  nsTArray<PendingReport> reports;

  {
    MutexAutoLock lock(mMutex);
    if (aAction == ReportAction::Forget) {
      mPendingReports.SwapElements(reports);
    } else {
      reports = mPendingReports;
    }
  }

  for (uint32_t i = 0; i < reports.Length(); ++i) {
    PendingReport& report = reports[i];

    nsAutoString errorText;
    nsresult rv;
    if (!report.mStringParams.IsEmpty()) {
      rv = nsContentUtils::FormatLocalizedString(report.mPropertiesFile,
                                                 report.mMessageName.get(),
                                                 report.mStringParams,
                                                 errorText);
    } else {
      rv = nsContentUtils::GetLocalizedString(report.mPropertiesFile,
                                              report.mMessageName.get(),
                                              errorText);
    }
    if (NS_WARN_IF(NS_FAILED(rv))) {
      continue;
    }

    ConsoleUtils::Level level = ConsoleUtils::eLog;
    switch (report.mErrorFlags) {
      case nsIScriptError::errorFlag:
      case nsIScriptError::exceptionFlag:
        level = ConsoleUtils::eError;
        break;
      case nsIScriptError::warningFlag:
        level = ConsoleUtils::eWarning;
        break;
      default:
        // default to log otherwise
        break;
    }

    ConsoleUtils::ReportForServiceWorkerScope(NS_ConvertUTF8toUTF16(aScope),
                                              errorText,
                                              NS_ConvertUTF8toUTF16(report.mSourceFileURI),
                                              report.mLineNumber,
                                              report.mColumnNumber,
                                              level);
  }
}

void
ConsoleReportCollector::FlushConsoleReports(nsIDocument* aDocument,
                                            ReportAction aAction)
{
  MOZ_ASSERT(NS_IsMainThread());

  FlushReportsToConsole(aDocument ? aDocument->InnerWindowID() : 0, aAction);
}

void
ConsoleReportCollector::FlushConsoleReports(nsILoadGroup* aLoadGroup,
                                            ReportAction aAction)
{
  FlushReportsToConsole(nsContentUtils::GetInnerWindowID(aLoadGroup), aAction);
}

void
ConsoleReportCollector::FlushConsoleReports(nsIConsoleReportCollector* aCollector)
{
  MOZ_ASSERT(aCollector);

  nsTArray<PendingReport> reports;

  {
    MutexAutoLock lock(mMutex);
    mPendingReports.SwapElements(reports);
  }

  for (uint32_t i = 0; i < reports.Length(); ++i) {
    PendingReport& report = reports[i];
    aCollector->AddConsoleReport(report.mErrorFlags, report.mCategory,
                                 report.mPropertiesFile, report.mSourceFileURI,
                                 report.mLineNumber, report.mColumnNumber,
                                 report.mMessageName, report.mStringParams);
  }
}

void
ConsoleReportCollector::ClearConsoleReports()
{
  MutexAutoLock lock(mMutex);

  mPendingReports.Clear();
}

ConsoleReportCollector::~ConsoleReportCollector()
{
}

} // namespace mozilla