# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========
# 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.
# ========= Copyright 2026 @ Strukto.AI All Rights Reserved. =========

from pydantic import BaseModel, SecretStr


class LangfuseConfig(BaseModel):
    public_key: str
    secret_key: SecretStr
    host: str = "https://cloud.langfuse.com"
    default_trace_limit: int = 100
    default_search_limit: int = 50
    # Opt-in lower bound for trace listings. Unset lists whatever the project
    # holds, up to default_trace_limit: an implicit rolling window would hide
    # traces that read() happily serves.
    default_from_timestamp: str | None = None
