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#pragma once

#include "symbolqueryinterface.h"

#include <filepathid.h>
#include <sourcelocations.h>

#include <cpptools/usages.h>

#include <algorithm>

namespace ClangRefactoring {

template <typename StatementFactory>
class SymbolQuery final : public SymbolQueryInterface
{
    using ReadStatement = typename StatementFactory::ReadStatementType;

public:
    SymbolQuery(StatementFactory &statementFactory)
        : m_statementFactory(statementFactory)
    {}

    SourceLocations locationsAt(ClangBackEnd::FilePathId filePathId, int line, int utf8Column) override
    {
        ReadStatement &locationsStatement = m_statementFactory.selectLocationsForSymbolLocation;

        const std::size_t reserveSize = 128;

        return locationsStatement.template values<SourceLocation, 4>(reserveSize,
                                                                     filePathId.fileNameId,
                                                                     line,
                                                                     utf8Column);
    }

    CppTools::Usages sourceUsagesAt(ClangBackEnd::FilePathId filePathId, int line, int utf8Column)
    {
        ReadStatement &locationsStatement = m_statementFactory.selectSourceUsagesForSymbolLocation;

        const std::size_t reserveSize = 128;

        return locationsStatement.template values<CppTools::Usage, 3>(reserveSize,
                                                                      filePathId.fileNameId,
                                                                      line,
                                                                      utf8Column);
    }

private:
    StatementFactory &m_statementFactory;
};

} // namespace ClangRefactoring