import logging
from typing import Annotated

from fastapi import APIRouter, Response, UploadFile, Depends
from fastapi.responses import FileResponse

import common.auth as auth
from schemas.llm_config import LLMConfig as LLMConfigScheme, LLMConfigCreateScheme
from components.dbo.models.llm_config import LLMConfig as LLMConfigSQL
from components.services.llm_config import LLMConfigService
import common.dependencies as DI
from schemas.llm_config import LLMConfig

router = APIRouter(prefix='/llm_config', tags=['LLM parameters'])
logger = logging.getLogger(__name__)


@router.get('/')
async def get_llm_config_list(llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                            current_user: Annotated[any, Depends(auth.get_current_user)]
                            ) -> list[LLMConfig]:
    logger.info("Handling GET request to /llm_config/{config_id}}")
    try:
        config = llm_config_service.get_list()
        return config
    except Exception as e:
        logger.error(f"Error retrieving llm config: {str(e)}")
        raise e
    
@router.get('/default')
async def get_llm_default_config(llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                                 current_user: Annotated[any, Depends(auth.get_current_user)]
                            ) -> LLMConfig:
    logger.info("Handling GET request to /llm_config/default/")
    try:
        config = llm_config_service.get_default()
        logger.info(
            f"Successfully retrieved default llm config with ID {config.id}"
        )
        return config
    except Exception as e:
        logger.error(f"Error retrieving default llm config: {str(e)}")
        raise e


@router.get('/{config_id}')
async def get_llm_config(config_id: int, 
                        llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                        current_user: Annotated[any, Depends(auth.get_current_user)]
                        ) -> LLMConfig:
    logger.info("Handling GET request to /llm_config/{config_id}}")
    try:
        config = llm_config_service.get_by_id(config_id)
        logger.info(
            f"Successfully retrieved llm config with ID: {config_id}"
        )
        return config
    except Exception as e:
        logger.error(f"Error retrieving llm config: {str(e)}")
        raise e
    

@router.put('/default/{config_id}')
async def set_as_default_config(config_id: int, 
                        llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                        current_user: Annotated[any, Depends(auth.get_current_user)]):
    logger.info("Handling PUT request to /llm_config/default/{config_id}")
    try:
        llm_config_service.set_as_default(config_id)
        logger.info(
            f"Successfully setted default llm config with ID: {config_id}"
        )
        return Response(status_code=200)
    except Exception as e:
        logger.error(f"Error setting the default llm config: {str(e)}")
        raise e


@router.delete('/{config_id}')
async def delete_config(config_id: int, 
                        llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                        current_user: Annotated[any, Depends(auth.get_current_user)]):
    logger.info("Handling DELETE request to /llm_config/{config_id}")
    try:
        llm_config_service.delete(config_id)
        logger.info(
            f"Successfully deleted llm config: {config_id}"
        )
        return Response(status_code=200)
    except Exception as e:
        logger.error(f"Error deleting llm config: {str(e)}")
        raise e


@router.post('/')
async def create_config(data: LLMConfigCreateScheme, 
                        llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                        current_user: Annotated[any, Depends(auth.get_current_user)]):
    logger.info("Handling POST request to /llm_config")
    try:
        new_config = llm_config_service.create(data)
        logger.info(
            f"Successfully created llm config with ID: {new_config.id}"
        )
        return new_config
    except Exception as e:
        logger.error(f"Error creating llm config: {str(e)}")
        raise e


@router.put('/{config_id}')
async def update_config(config_id: int, file: LLMConfigScheme, 
                       llm_config_service: Annotated[LLMConfigService, Depends(DI.get_llm_config_service)],
                       current_user: Annotated[any, Depends(auth.get_current_user)]):
    logger.info("Handling PUT request to /llm_config/{config_id}")
    try:
        updated_config = llm_config_service.update(config_id, file)
        logger.info(
            f"Successfully updated llm config with ID: {config_id}"
        )
        return updated_config
    except Exception as e:
        logger.error(f"Error updating llm config: {str(e)}")
        raise e