/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2016 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 <QString>
#include <QDebug>
#include "checkthread.h"
#include "threadresult.h"
#include "cppcheck.h"

CheckThread::CheckThread(ThreadResult &result) :
    mState(Ready),
    mResult(result),
    mCppcheck(result, true),
    mAnalyseWholeProgram(false)
{
    //ctor
}

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

void CheckThread::check(const Settings &settings)
{
    mFiles.clear();
    mCppcheck.settings() = settings;
    start();
}

void CheckThread::analyseWholeProgram(const QStringList &files)
{
    mFiles = files;
    mAnalyseWholeProgram = true;
    start();
}

void CheckThread::run()
{
    mState = Running;

    if (!mFiles.isEmpty() || mAnalyseWholeProgram) {
        mAnalyseWholeProgram = false;
        qDebug() << "Whole program analysis";
        const std::string &buildDir = mCppcheck.settings().buildDir;
        if (!buildDir.empty()) {
            std::map<std::string,std::size_t> files2;
            for (QString file : mFiles)
                files2[file.toStdString()] = 0;
            mCppcheck.analyseWholeProgram(buildDir, files2);
        }
        mFiles.clear();
        emit Done();
        return;
    }

    QString file = mResult.GetNextFile();
    while (!file.isEmpty() && mState == Running) {
        qDebug() << "Checking file" << file;
        mCppcheck.check(file.toStdString());
        emit FileChecked(file);

        if (mState == Running)
            file = mResult.GetNextFile();
    }

    ImportProject::FileSettings fileSettings = mResult.GetNextFileSettings();
    while (!fileSettings.filename.empty() && mState == Running) {
        file = QString::fromStdString(fileSettings.filename);
        qDebug() << "Checking file" << file;
        mCppcheck.check(fileSettings);
        emit FileChecked(file);

        if (mState == Running)
            fileSettings = mResult.GetNextFileSettings();
    }

    if (mState == Running)
        mState = Ready;
    else
        mState = Stopped;

    emit Done();
}

void CheckThread::stop()
{
    mState = Stopping;
    mCppcheck.terminate();
}