from typing import List, Optional

from fastapi import APIRouter
from fastapi.params import Depends
from starlette.requests import Request

from api import service
from api.dependency import get_generation_service

from api.models.GenerationRequest import GenerationResponse, GenerationRequest, PromptResponse, PromptRequest
from api.service.generation_service import GenerationService
from models.Generation import Generation

router = APIRouter(prefix='/api/generations', tags=["Generation"])


@router.post("/prompt-assistant", response_model=PromptResponse)
async def ask_prompt_assistant(prompt_request: PromptRequest, request: Request,
                               generation_service: GenerationService = Depends(
                                   get_generation_service)) -> PromptResponse:
    generated_prompt = await generation_service.ask_prompt_assistant(prompt_request.prompt, prompt_request.linked_assets)
    return PromptResponse(prompt=generated_prompt)


@router.get("", response_model=List[GenerationResponse])
async def get_generations(character_id: Optional[str], limit: int = 10, offset: int = 0,
                          generation_service: GenerationService = Depends(get_generation_service)):
    return await generation_service.get_generations(character_id, limit=limit, offset=offset)


@router.post("/_run", response_model=GenerationResponse)
async def post_generation(generation: GenerationRequest, request: Request,
                          generation_service: GenerationService = Depends(
                              get_generation_service)) -> GenerationResponse:
    return await generation_service.create_generation_task(generation)


@router.get("/{generation_id}", response_model=GenerationResponse)
async def get_generation(generation_id: str,
                         generation_service: GenerationService = Depends(get_generation_service)) -> GenerationResponse:
    return await generation_service.get_generation(generation_id)


@router.get("/running")
async def get_running_generations(request: Request,
                                  generation_service: GenerationService = Depends(get_generation_service)):
    return await generation_service.get_running_generations()