# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# 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.
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from abc import abstractmethod

from fastapi import FastAPI
from pydantic import BaseModel

from nemo_gym.openai_utils import (
    NeMoGymResponse,
    NeMoGymResponseCreateParamsNonStreaming,
)
from nemo_gym.server_utils import BaseRunServerInstanceConfig, BaseServer, SimpleServer


class BaseResourcesServerConfig(BaseRunServerInstanceConfig):
    pass


class BaseResourcesServer(BaseServer):
    config: BaseResourcesServerConfig


class BaseRunRequest(BaseModel):
    responses_create_params: NeMoGymResponseCreateParamsNonStreaming


class BaseVerifyRequest(BaseRunRequest):
    response: NeMoGymResponse


class BaseVerifyResponse(BaseVerifyRequest):
    reward: float


class BaseSeedSessionRequest(BaseModel):
    pass


class BaseSeedSessionResponse(BaseModel):
    pass


class SimpleResourcesServer(BaseResourcesServer, SimpleServer):
    config: BaseResourcesServerConfig

    def setup_webserver(self) -> FastAPI:
        app = FastAPI()

        self.setup_session_middleware(app)

        app.post("/seed_session")(self.seed_session)
        app.post("/verify")(self.verify)

        return app

    async def seed_session(self, body: BaseSeedSessionRequest) -> BaseSeedSessionResponse:
        return BaseSeedSessionResponse()

    @abstractmethod
    async def verify(self, body: BaseVerifyRequest) -> BaseVerifyResponse:
        pass
