#pragma once

/**
 * @file generic_data_reader.h
 * @brief Stub header for BUILD_RTI=OFF configuration
 * 
 * This file provides minimal stub definitions for DDS Generic Data Reader
 * when RTI Connext DDS is not available (BUILD_RTI=OFF).
 */

#ifdef BUILD_RTI
// RTI DDS is available - include the real implementation from RTI headers
// DataReader is already defined in <dds/sub/subfwd.hpp> with signature:
// template <typename T, template <typename Q> class DELEGATE = dds::sub::detail::DataReaderImpl>
// class DataReader;
#else
// BUILD_RTI=OFF: Provide minimal stub definitions

namespace dds {
namespace sub {
namespace detail {

// Dummy delegate class to serve as default template parameter
template<typename Q>
class DataReaderImpl {
    // Empty stub implementation
};

} // namespace detail

// Forward declaration stub for DataReader
// Must match RTI 7.7 signature for compatibility
template<typename T, template <typename Q> class DELEGATE = detail::DataReaderImpl>
class DataReader {
public:
    // Minimal stub interface - add methods as needed by the codebase
    T read() { return T{}; }
    void take() {}
};

} // namespace sub
} // namespace dds

// GenericDataReader stub template
template<typename T>
class GenericDataReader {
public:
    using DataType = T;
    
    // Minimal stub methods - extend as needed
    bool has_data() const { return false; }
    T read_data() { return T{}; }
    void cleanup() {}
};

#endif // BUILD_RTI