#ifndef CLANGUTILS_H
#define CLANGUTILS_H

#include <QString>
#include <QDebug>
#include "clang-c/Index.h"

class ClangUtils
{
public:
    static void printCursorInfo(CXCursor cursor)
    {
        CXString cursorSpelling = clang_getCursorSpelling(cursor);
        CXType cursorType = clang_getCursorType(cursor);
        CXString cursorTypeSpelling = clang_getTypeSpelling(cursorType);

        //printf("Name: %s, Type: %s\n", clang_getCString(cursorSpelling), clang_getCString(cursorTypeSpelling));
        qDebug() << "Name: " << clang_getCString(cursorSpelling) << ", Type: "
                 << clang_getCString(cursorTypeSpelling);

        clang_disposeString(cursorSpelling);
        clang_disposeString(cursorTypeSpelling);
    }

    static bool checkDiagnostics(CXTranslationUnit translationUnit)
    {
        int nbDiag = clang_getNumDiagnostics(translationUnit);
        qDebug() << "diagnostics num: " << nbDiag;
        bool foundError = false;
        for (unsigned int currentDiag = 0; currentDiag < nbDiag; ++currentDiag) {
            CXDiagnostic diagnotic = clang_getDiagnostic(translationUnit, currentDiag);
            CXString errorString = clang_formatDiagnostic(diagnotic, clang_defaultDiagnosticDisplayOptions());
            std::string tmp{ clang_getCString(errorString) };
            clang_disposeString(errorString);
            if (tmp.find("error:") != std::string::npos) {
                foundError = true;
            }
            qDebug() << QString::fromStdString(tmp);
        }

        return foundError;
    }

    static QString getDiagnostics(CXTranslationUnit translationUnit)
    {
        QString strError;
        QTextStream stream(&strError);
        int nbDiag = clang_getNumDiagnostics(translationUnit);
        stream<< "diagnostics num: " << nbDiag << "\n";
        bool foundError = false;
        for (unsigned int currentDiag = 0; currentDiag < nbDiag; ++currentDiag) {
            CXDiagnostic diagnotic = clang_getDiagnostic(translationUnit, currentDiag);
            CXString errorString = clang_formatDiagnostic(diagnotic, clang_defaultDiagnosticDisplayOptions());
            std::string tmp{ clang_getCString(errorString) };
            clang_disposeString(errorString);
            if (tmp.find("error:") != std::string::npos) {
                foundError = true;
            }
            stream << QString::fromStdString(tmp) << "\n";
        }

        return strError;
    }

    static QString getCursorType(CXCursor cursor)
    {
        CXType cursorType = clang_getCursorType(cursor);
        CXString cursorTypeSpelling = clang_getTypeSpelling(cursorType);
        QString type = clang_getCString(cursorTypeSpelling);
        clang_disposeString(cursorTypeSpelling);

        return type;
    }

    static QString getCursorName(CXCursor cursor)
    {
        CXString cursorSpelling = clang_getCursorSpelling(cursor);
        QString name = clang_getCString(cursorSpelling);
        clang_disposeString(cursorSpelling);

        return name;
    }

    static QString getCursorFilePath(CXCursor cursor)
    {
        CXFile file;
        clang_getFileLocation(clang_getCursorLocation(cursor), &file, nullptr, nullptr, nullptr);
        CXString cursorFilePath = clang_getFileName(file);
        QString filePath = clang_getCString(cursorFilePath);
        clang_disposeString(cursorFilePath);

        return filePath;
    }
};

#endif // CLANGUTILS_H