// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";

package autofill;

option optimize_for = LITE_RUNTIME;

// Represents the internal metadata contained in a single `EntityInstance`
// object for a given `(attribute_type, field_type)` pair.
//
// E.g. Assume we have the following structure for a `kVehicleOwner` attribute:
// - NAME_FULL: (value: John G. Doe), (status: kParsed)
// - NAME_FIRST: (value: John), (status: kObserved)
// - NAME_MIDDLE: (value: G.), (status: kObserved)
// - NAME_LAST: (value: Doe), (status: kObserved)
//
// Then this attribute will contribute the following four
// ChromeValuablesMetadataEntries:
//
// - ("kVehicleOwner", int(NAME_FULL), "John G. Doe", int(kParsed))
// - ("kVehicleOwner", int(NAME_FIRST), "John", int(kObserved))
// - ("kVehicleOwner", int(NAME_MIDDLE), "G.", int(kObserved))
// - ("kVehicleOwner", int(NAME_LAST), "Doe", int(kObserved))
message ChromeValuablesMetadataEntry {
  // The integer representation of the `AttributeTypeName` of the
  // `AttributeInstance` being partially described in the entry.
  optional string attribute_type = 1;

  // The integer representation of the `FieldType` that represents the partial
  // information described by the entry.
  optional int32 field_type = 2;

  // The value of the `AttributeInstance` being partially described in the
  // entry for the current `attribute_type` and `field_type`.
  optional string value = 3;

  // The integer representation of the `VerificationStatus` of the
  // `AttributeInstance` being partially described in the entry for the current
  // `attribute_type` and `field_type`.
  optional int32 verification_status = 4;
};

// Represents the collection of structured information needed in order to
// accurately build an `EntityInstance`.
message ChromeValuablesMetadata {
  // A list of `ChromeValuablesMetadataEntry`'s that will represent all
  // structured attributes of the `EntityInstance` being described.
  repeated ChromeValuablesMetadataEntry metadata_entries = 1;
};