/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2020 Cppcheck team.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#include <QFile>
#include <QString>
#include <QMutexLocker>
#include <QList>
#include <QStringList>
#include <QDebug>
#include "common.h"
#include "erroritem.h"
#include "errorlogger.h"
#include "threadresult.h"

ThreadResult::ThreadResult() : QObject(), ErrorLogger(), mMaxProgress(0), mProgress(0), mFilesChecked(0), mTotalFiles(0)
{
 //ctor
}

ThreadResult::~ThreadResult()
{
 //dtor
}

void ThreadResult::reportOut(const std::string &outmsg)
{
 emit log(QString::fromStdString(outmsg));
}

void ThreadResult::fileChecked(const QString &file)
{
 QMutexLocker locker(&mutex);

 mProgress += QFile(file).size();
 mFilesChecked ++;

 if (mMaxProgress > 0) {
 const int value = static_cast<int>(PROGRESS_MAX * mProgress / mMaxProgress);
 const QString description = tr("%1 of %2 files checked").arg(mFilesChecked).arg(mTotalFiles);

 emit progress(value, description);
 }
}

void ThreadResult::reportErr(const ErrorMessage &msg)
{
 QMutexLocker locker(&mutex);
 const ErrorItem item(msg);
 if (msg.severity != Severity::debug)
 emit error(item);
 else
 emit debugError(item);
}

QString ThreadResult::getNextFile()
{
 QMutexLocker locker(&mutex);
 if (mFiles.isEmpty()) {
 return QString();
 }

 return mFiles.takeFirst();
}

ImportProject::FileSettings ThreadResult::getNextFileSettings()
{
 QMutexLocker locker(&mutex);
 if (mFileSettings.empty()) {
 return ImportProject::FileSettings();
 }
 const ImportProject::FileSettings fs = mFileSettings.front();
 mFileSettings.pop_front();
 return fs;
}

void ThreadResult::setFiles(const QStringList &files)
{
 QMutexLocker locker(&mutex);
 mFiles = files;
 mProgress = 0;
 mFilesChecked = 0;
 mTotalFiles = files.size();

 // Determine the total size of all of the files to check, so that we can
 // show an accurate progress estimate
 quint64 sizeOfFiles = 0;
 foreach (const QString& file, files) {
 sizeOfFiles += QFile(file).size();
 }
 mMaxProgress = sizeOfFiles;
}

void ThreadResult::setProject(const ImportProject &prj)
{
 QMutexLocker locker(&mutex);
 mFiles.clear();
 mFileSettings = prj.fileSettings;
 mProgress = 0;
 mFilesChecked = 0;
 mTotalFiles = prj.fileSettings.size();

 // Determine the total size of all of the files to check, so that we can
 // show an accurate progress estimate
 quint64 sizeOfFiles = 0;
 foreach (const ImportProject::FileSettings& fs, prj.fileSettings) {
 sizeOfFiles += QFile(QString::fromStdString(fs.filename)).size();
 }
 mMaxProgress = sizeOfFiles;
}

void ThreadResult::clearFiles()
{
 QMutexLocker locker(&mutex);
 mFiles.clear();
 mFileSettings.clear();
 mFilesChecked = 0;
 mTotalFiles = 0;
}

int ThreadResult::getFileCount() const
{
 QMutexLocker locker(&mutex);
 return mFiles.size() + mFileSettings.size();
}

void ThreadResult::bughuntingReport(const std::string &str)
{
 if (str.empty())
 return;
 emit bughuntingReportLine(QString::fromStdString(str));
}