syntax = "proto3";
package control;

// The Control service allows external processes (CLI commands, etc.)
// to inject events into the running daemon.
service Control {
  // Send an event to the daemon's event bus
  rpc SendEvent(SendEventRequest) returns (SendEventResponse);
}

message SendEventRequest {
  oneof event {
    // History was pruned - search index needs full rebuild
    HistoryPrunedEvent history_pruned = 1;

    // Specific history items were deleted
    HistoryDeletedEvent history_deleted = 2;

    // Request immediate sync
    ForceSyncEvent force_sync = 3;

    // Settings have changed, reload if needed
    SettingsReloadedEvent settings_reloaded = 4;

    // Request graceful shutdown
    ShutdownEvent shutdown = 5;

    // History was rebuilt - search index needs full rebuild
    HistoryRebuiltEvent history_rebuilt = 6;
  }
}

message SendEventResponse {
  // Empty on success; errors come through gRPC status
}

// Individual event message types

message HistoryPrunedEvent {
  // No fields needed - just signals that pruning happened
}

message HistoryRebuiltEvent {
  // No fields needed - just signals that rebuilding happened
}

message HistoryDeletedEvent {
  // IDs of deleted history items (UUIDs as strings)
  repeated string ids = 1;
}

message ForceSyncEvent {
  // No fields needed - just triggers sync
}

message SettingsReloadedEvent {
  // No fields needed - components should re-read settings
}

message ShutdownEvent {
  // No fields needed - triggers graceful shutdown
}