import json
import pandas as pd
import streamlit as st


@st.cache_data
def load_slider_data():
    """Load slider data from a JSON file and cache it for performance."""
    with open("data/cost_sliders.json") as f:
        data = json.load(f)
        return data
    
def render_resource_input(name_clean, r, tooltip=None):
    if tooltip:
        st.markdown(
            f"""<span title="{tooltip}" style="font-weight: 500;">{name_clean} <sup style="color:#999;">ℹ️</sup></span>""",
            unsafe_allow_html=True
        )
    else:
        st.markdown(f"**{name_clean}**")

    widget_key = f"cap_{r}"

    if widget_key not in st.session_state:
        st.session_state[widget_key] = st.session_state.resource_caps.get(r, 0.0)

    cap = st.number_input(
        label="label",
        label_visibility="collapsed",
        min_value=0.0,
        format="%.2f",
        key=widget_key,
    )

    st.session_state.resource_caps[r] = cap

def is_valid_scenario(scenario):
    return (
        isinstance(scenario, dict)
        and "allocations" in scenario
        and "resource_caps" in scenario
        and "method_costs" in scenario
        and "method_constraints" in scenario
        and "summary" in scenario
    )