from fastapi import APIRouter, Depends, Request, Response

from litellm.proxy._types import *
from litellm.proxy.auth.user_api_key_auth import UserAPIKeyAuth, user_api_key_auth
from litellm.proxy.common_request_processing import ProxyBaseLLMRequestProcessing

router = APIRouter()


@router.post(
    "/v1/responses",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
@router.post(
    "/responses",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
async def responses_api(
    request: Request,
    fastapi_response: Response,
    user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
):
    """
    Follows the OpenAI Responses API spec: https://platform.openai.com/docs/api-reference/responses

    ```bash
    curl -X POST http://localhost:4000/v1/responses \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer sk-1234" \
    -d '{
        "model": "gpt-4o",
        "input": "Tell me about AI"
    }'
    ```
    """
    from litellm.proxy.proxy_server import (
        _read_request_body,
        general_settings,
        llm_router,
        proxy_config,
        proxy_logging_obj,
        select_data_generator,
        user_api_base,
        user_max_tokens,
        user_model,
        user_request_timeout,
        user_temperature,
        version,
    )

    data = await _read_request_body(request=request)
    processor = ProxyBaseLLMRequestProcessing(data=data)
    try:
        return await processor.base_process_llm_request(
            request=request,
            fastapi_response=fastapi_response,
            user_api_key_dict=user_api_key_dict,
            route_type="aresponses",
            proxy_logging_obj=proxy_logging_obj,
            llm_router=llm_router,
            general_settings=general_settings,
            proxy_config=proxy_config,
            select_data_generator=select_data_generator,
            model=None,
            user_model=user_model,
            user_temperature=user_temperature,
            user_request_timeout=user_request_timeout,
            user_max_tokens=user_max_tokens,
            user_api_base=user_api_base,
            version=version,
        )
    except Exception as e:
        raise await processor._handle_llm_api_exception(
            e=e,
            user_api_key_dict=user_api_key_dict,
            proxy_logging_obj=proxy_logging_obj,
            version=version,
        )


@router.get(
    "/v1/responses/{response_id}",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
@router.get(
    "/responses/{response_id}",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
async def get_response(
    response_id: str,
    request: Request,
    fastapi_response: Response,
    user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
):
    """
    Get a response by ID.
    
    Follows the OpenAI Responses API spec: https://platform.openai.com/docs/api-reference/responses/get
    
    ```bash
    curl -X GET http://localhost:4000/v1/responses/resp_abc123 \
    -H "Authorization: Bearer sk-1234"
    ```
    """
    # TODO: Implement response retrieval logic
    pass


@router.delete(
    "/v1/responses/{response_id}",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
@router.delete(
    "/responses/{response_id}",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
async def delete_response(
    response_id: str,
    request: Request,
    fastapi_response: Response,
    user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
):
    """
    Delete a response by ID.
    
    Follows the OpenAI Responses API spec: https://platform.openai.com/docs/api-reference/responses/delete
    
    ```bash
    curl -X DELETE http://localhost:4000/v1/responses/resp_abc123 \
    -H "Authorization: Bearer sk-1234"
    ```
    """
    # TODO: Implement response deletion logic
    pass


@router.get(
    "/v1/responses/{response_id}/input_items",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
@router.get(
    "/responses/{response_id}/input_items",
    dependencies=[Depends(user_api_key_auth)],
    tags=["responses"],
)
async def get_response_input_items(
    response_id: str,
    request: Request,
    fastapi_response: Response,
    user_api_key_dict: UserAPIKeyAuth = Depends(user_api_key_auth),
):
    """
    Get input items for a response.
    
    Follows the OpenAI Responses API spec: https://platform.openai.com/docs/api-reference/responses/input-items
    
    ```bash
    curl -X GET http://localhost:4000/v1/responses/resp_abc123/input_items \
    -H "Authorization: Bearer sk-1234"
    ```
    """
    # TODO: Implement input items retrieval logic
    pass