# Copyright 2026 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


from __future__ import annotations

from typing import Any
from typing import Optional

from google.genai import types
from pydantic import BaseModel
from pydantic import Field


class MemoryEntry(BaseModel):
  """Represent one memory entry."""

  content: types.Content
  """The main content of the memory."""

  custom_metadata: dict[str, Any] = Field(default_factory=dict)
  """Optional custom metadata associated with the memory."""

  id: Optional[str] = None
  """The unique identifier of the memory."""

  author: Optional[str] = None
  """The author of the memory."""

  timestamp: Optional[str] = None
  """The timestamp when the original content of this memory happened.

  This string will be forwarded to LLM. Preferred format is ISO 8601 format.
  """
