main.py

from fastapi import FastAPI , UploadFile , File , Form 
from fastapi.responses import JSONResponse
from pydantic import BaseModel
from brainstroming_agent.agent import brainstroming_graph
import pandas as pd
from typing import Optional , List
from context_analysis_agent.agent import IntroductionChatbot
from business_interaction_agent.agent import BusinessInteractionChatbot
from context_analysis_agent.utils.utils import save_to_db
import ast
from orchestration_agent.agent import orchestration_chat
from orchestration_agent.utils.utils import caption_image
from brainstroming_agent.utils.utils import encode_image_to_base64 , generate_final_story, generate_image
from idea_to_budget_agent.agent import budget_calculator
from ideation_agent.agent import ideation_graph
from langgraph.errors import GraphRecursionError
from human_refined_ideation.agent import human_refined_idea
from dummy_state import stored_data
import json

# Store brainstorming results per thread_id

app = FastAPI()
context_analysis_graph = IntroductionChatbot()
business_interaction_graph = BusinessInteractionChatbot()
idea_graph = ideation_graph()
brainstrom_graph = brainstroming_graph()
human_refine_graph = human_refined_idea()
# orchestrate_graph = orchestration_chat()


class OrchestrationRequest(BaseModel):
    message: str
    image_base64 : Optional[list] = []

@app.post("/orchestration")
def orchestration_endpoint(request:OrchestrationRequest):
    print('Image:',request.image_base64)
    result = orchestration_chat(request.message , request.image_base64)
    stored_data['image_caption']= result.image_caption
    return {'tool_response': result.tool , 'message_response': result.message, 'image_caption':result.image_caption}



class UserMessage(BaseModel):
    message: str
@app.post("/context-analysis")
def context_analysis(msg: UserMessage):
    response = context_analysis_graph.chat(msg.message)
    if context_analysis_graph.is_complete(response):
        details = context_analysis_graph.extract_details()
        if type(details) != dict:
            details = details.model_dump()
        print('Business_details:',details)
        if isinstance(details, str):
            details= ast.literal_eval(details)
        print('Details Type:',type(details))
        # save_to_db(details)
        stored_data['business_details'] = details
        return {"response": response, "business_details": details, "complete": True}
    return {"response": response, "complete": False}



@app.post("/business-interaction")
def business_interaction(interaction: str):
    response,business_details = business_interaction_graph.chat(interaction , stored_data['business_details'])
    stored_data['business_details']=business_details
    return {'response': response}

class IdeationRequest(BaseModel):
    topic : List[str]

@app.post("/ideation")
def ideation_endpoint():
    config={"recursion_limit":15, "configurable": {"thread_id": "ideation_thread123"}}
    try:
        result = idea_graph.invoke(
        {
            'business_details': [stored_data['business_details']]
        },
        config=config,
        )
        stored_data['final_ideation'] = result['improver_response'][-1]
        stored_data['final_ideation']=ast.literal_eval(stored_data['final_ideation'])

        return {'response':result}
    except GraphRecursionError:
        result = idea_graph.get_state({"configurable": {"thread_id": "ideation_thread123"}})
        return {'response': result[0]}
    
class RefineIdeationRequest(BaseModel):
    query: str
    thread_id: Optional[str]="refine_ideas_thread"


@app.post("/human-idea-refining")
def human_idea_refine_endpoint(request:RefineIdeationRequest):
    stored_data['human_ideation_interactions'].append({"role": "user", "content": request.query})
    response = human_refine_graph.invoke(
        {
        'query': stored_data['human_ideation_interactions'],
        'business_details': stored_data["business_details"],
        'final_ideation': stored_data['final_ideation'],
        },config={"configurable": {"thread_id": request.thread_id}}
    )
    stored_data['human_ideation_interactions'].append({"role": "assistant", "content": response['result']})
    stored_data['refined_ideation'] = stored_data['human_ideation_interactions'][-1]['content']
    return {'response' : stored_data['human_ideation_interactions'][-1]['content'] }



@app.post("/budget-mapping")
def budget_mapping_endpoint():
    result = budget_calculator(stored_data["business_details"],stored_data['final_ideation'])
    return {'response':result}


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

@app.post("/brainstorm")
def brainstroming_endpoint(
    request: BrainstormRequest,  # 🔥 Full JSON body here
):
    result = brainstrom_graph.invoke({
        'idea': [stored_data['refined_ideation']],
        'images': request.image_base64_list,
        'latest_preferred_topics': request.preferred_topics,
        'business_details': (lambda d: d['business_details'] if 'business_details' in d else {})(stored_data)
    },
    config={"configurable": {"thread_id": request.thread_id}})
    
    stored_data['brainstroming_response'] = result

    return {'response': result}



@app.post("/generate-final-story")
def generate_final_story_endpoint():
    final_story =   generate_final_story(stored_data["brainstroming_response"])
    stored_data['final_story']=final_story
    return {
        'response': final_story
    }
stored_data['final_story']= '''A cinematic journey follows a street magician\'s 
metamorphosis from a mere trickster to a powerful performer, as he transforms his act with newfound physical strength, effortlessly executing death-defying stunts, and inspiring a captivated crowd to take action, all set against a 
backdrop of urban grandeur and pulsing energy.'''


@app.post("/generate-image")  
def generate_image_endpoint():
    image = generate_image(str(stored_data['final_story'])
                           ,str(stored_data['business_details'])
                           ,str(stored_data['refined_ideation']))
    stored_data['generated_image']=image
    return {
        'response':image
    }