#ifndef UASIO_CONNECTION_POOL_H
#define UASIO_CONNECTION_POOL_H

#include <queue>
#include <mutex>
#include <memory>
#include <functional>
#include "io_context.h"

namespace uasio {

template <typename Connection>
class connection_pool {
public:
    using callback_type = std::function<void(Connection, error_code)>;
    
    connection_pool(io_context& io_ctx, 
                   std::function<void(callback_type)> factory,
                   std::size_t max_size = 10)
        : io_ctx_(io_ctx), 
          factory_(std::move(factory)),
          max_size_(max_size) {}
    
    void get_connection(callback_type callback) {
        // 简化实现
        factory_([callback](Connection conn, error_code ec) {
            callback(std::move(conn), ec);
        });
    }

private:
    io_context& io_ctx_;
    std::function<void(callback_type)> factory_;
    std::size_t max_size_;
    std::mutex mutex_;
};

} // namespace uasio

#endif // UASIO_CONNECTION_POOL_H