#include "daemon_context.h"

#include "absl/base/nullability.h"
#include "absl/log/check.h"
#include "absl/log/log.h"

namespace safepower_agent {

absl::Nullable<DaemonContext*> DaemonContext::instance_ = nullptr;

DaemonContext::DaemonContext() {
  if (instance_ != nullptr) {
    LOG(DFATAL) << "Daemon context already initialized";
    return;
  }
  instance_ = this;
}

DaemonContext::~DaemonContext() { instance_ = nullptr; }

DaemonContext& DaemonContext::Get() {
  DCHECK(instance_ != nullptr);
  return *instance_;
}

}  // namespace safepower_agent