import streamlit as st
from CONFIG import BACKEND_API_HOST, BACKEND_API_PORT

from backend.services.backend_api_client import BackendAPIClient
from frontend.utils import generate_random_name

backend_api_client = BackendAPIClient.get_instance(host=BACKEND_API_HOST, port=BACKEND_API_PORT)


def get_default_config_loader(controller_name: str):
    all_configs = backend_api_client.get_all_controllers_config()
    existing_configs = [config["id"].split("-")[0] for config in all_configs]
    default_dict = {"id": generate_random_name(existing_configs)}
    default_config = st.session_state.get("default_config")
    config_controller_name = st.session_state.get("controller_name", controller_name)
    st.write(f"controller_name: {controller_name} | config_controller_name: {config_controller_name}")
    if default_config is None or controller_name != config_controller_name:
        st.session_state["default_config"] = default_dict
    with st.expander("Configurations", expanded=True):
        c1, c2 = st.columns(2)
        with c1:
            use_default_config = st.checkbox("Use default config", value=True)
        with c2:
            if not use_default_config:
                configs = [config for config in all_configs if config["controller_name"] == controller_name]
                default_config = st.selectbox("Select a config", [config["id"] for config in configs])
                st.session_state["default_config"] = next((config for config in all_configs if config["id"] == default_config), None)
                st.session_state["default_config"]["id"] = st.session_state["default_config"]["id"].split("_")[0]