from fastapi import APIRouter
from api.stored_data import stored_data
from pydantic import BaseModel
from typing import Optional
from src.genai.brainstroming_agent.agent import brainstroming_graph

router=APIRouter()
brainstrom_graph = brainstroming_graph()


class BrainstormRequest(BaseModel):
    preferred_topics: Optional[list] = []
    image_base64_list: Optional[list] = []
    thread_id: Optional[str]="default-session"

@router.post("/brainstorm")
def brainstroming_endpoint(
    request: BrainstormRequest,  # 🔥 Full JSON body here
):
    idea = (
    [stored_data['refined_ideation']]
    if stored_data.get('refined_ideation')
    else [str(stored_data['final_ideation'])]
    if stored_data.get('final_ideation')
    else ['''I don't have any idea right now. Create your own **very creative** and **out of the box** video idea and generate the story for now.'''])
    
    result = brainstrom_graph.invoke({
        'idea': idea,
        'images': request.image_base64_list,
        'latest_preferred_topics': request.preferred_topics,
        'business_details': stored_data['business_details']
    },
    config={"configurable": {"thread_id": request.thread_id}})
    
    stored_data['brainstroming_response'] = result

    return {'response':{
        "story": result['stories'][-1],
        "brainstorming_topics": result['brainstroming_topics'][-1]
    }}