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#ifndef LIBRARY_SRC_IPC_CONTEXT_PROXY_HPP_
#define LIBRARY_SRC_IPC_CONTEXT_PROXY_HPP_


#include "../device_proxy.hpp"
#include "backend_ipc.hpp"

namespace rocshmem {

class IPCBackend;

template <typename ALLOCATOR>
class IPCDefaultContextProxy {
  using ProxyT = DeviceProxy<ALLOCATOR, IPCContext>;

 public:
  IPCDefaultContextProxy() = default;

  /*
   * Placement new the memory which is allocated by proxy_
   */
  explicit IPCDefaultContextProxy(IPCBackend* backend, TeamInfo *tinfo)
  : constructed_{true} {
    auto ctx{proxy_.get()};
    new (ctx) IPCContext(reinterpret_cast<Backend*>(backend));
    ctx->tinfo = tinfo;
    roc_shmem_ctx_t local{ctx, tinfo};
    set_internal_ctx(&local);
  }

  /*
   * Since placement new is called in the constructor, then
   * delete must be called manually.
   */
  ~IPCDefaultContextProxy() {
    if (constructed_) {
      proxy_.get()->~IPCContext();
    }
  }

  IPCDefaultContextProxy(const IPCDefaultContextProxy& other) = delete;

  IPCDefaultContextProxy& operator=(const IPCDefaultContextProxy& other) = delete;

  IPCDefaultContextProxy(IPCDefaultContextProxy&& other) = default;

  IPCDefaultContextProxy& operator=(IPCDefaultContextProxy&& other) = default;

  /*
   * @brief Provide access to the memory referenced by the proxy
   */
  __host__ __device__ Context* get() { return proxy_.get(); }

 private:
  /*
   * @brief Memory managed by the lifetime of this object
   */
  ProxyT proxy_{};

  /*
   * @brief denotes if an objects was constructed in proxy
   */
  bool constructed_{false};
};

using IPCDefaultContextProxyT = IPCDefaultContextProxy<HIPAllocator>;

}  // namespace rocshmem

#endif  // LIBRARY_SRC_IPC_CONTEXT_PROXY_HPP_