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#ifndef MOZC_SYNC_SYNC_HANDLER_H_
#define MOZC_SYNC_SYNC_HANDLER_H_

#include "base/scheduler.h"
#include "session/commands.pb.h"

namespace mozc {
namespace sync {

class SyncHandler {
 public:
  // Sync() does the following four steps in sequence.
  // 1. calls SyncerInterface::Start() in the current thread.
  // 2  creates a new thread and executes SyncerInterface::Sync() method.
  //    Sync operation (network connections) is executed asynchronously.
  // 3. sends "Reload" IPC command to the main converter thread,
  //    if reload is required, i.e. there exists an update on the cloud.
  // 4. Signal process-wide named event. Config dialog can
  //    wait for the named event to know the time when the Sync()
  //    method finishes.
  // If a sync thread is already created in the step 2,
  // event is not be signaled, as currently running thread
  // will signal a event later.
  static bool Sync();

  // Clear() does the following two steps in sequence.
  // 1  creates a new thread and executes SyncerInterface::Clear() method.
  //    Clear operation (network connections) is executed asynchronously.
  // 2. Signal process-wide named event. Config dialog can
  //    wait for the named event
  //    to know the time when the Sync() method finishes.
  static bool Clear();

  // Wait Sync() or Clear() call until they finish.
  static void Wait();

  // Get the current cloud sync status and set it into the argument.
  static bool GetCloudSyncStatus(commands::CloudSyncStatus *cloud_sync_status);

  // Set the authorization information and store it into the local storage.
  static bool SetAuthorization(
      const commands::Input::AuthorizationInfo &authorization_info);

  // Setter and Getter for scheduler job
  static const Scheduler::JobSetting &GetSchedulerJobSetting();

  static void SetSchedulerJobSetting(const Scheduler::JobSetting *setting);

 private:
  SyncHandler() {}
  ~SyncHandler() {}
};
}  // namespace sync
}  // namespace mozc

#endif  // MOZC_SYNC_SYNCER_H_