import asyncio
import json

from collections import deque
from application import app_data
from langchain.prompts import ChatPromptTemplate
from chains import llm, retry_decorator
from utility import list_dict_to_dict
from pydantic import BaseModel, Field
from typing import List, Dict, Optional

# manual create chain objects
with open(".data/summary_prompts.json","r") as f:
    overview_summary = json.load(f)
    overview_summary = list_dict_to_dict(overview_summary,"name")


class Instruction(BaseModel):
    name: str
    inputs: List[str]
    instruction: str

def execute_chain(instruction,articles): # target shall be the object of the summary instruction
    # a recursive function to generate the chain object for llm execution
    # it will recursively create the chain object for each prompt required from article object
    if all([instruction.name in article for article in articles]):
        return

    for i in instruction.inputs:
        for article in articles:
            if i not in article:
                execute_chain(overview_summary[i],articles)

     
def gen_node(name):
    instruction = app_data["summary"][name]["instruction"]

    prompt = ChatPromptTemplate.from_messages(
        ("system", "{content}"),
        ("system",f"{instruction}")
    )

    node = prompt | llm
    return {name:node}