Reader_JSON.py

import streamlit as st
import pandas as pd
import json

# In the terminal, run:
# streamlit run readJSONonStreamlit.py
# The window will open, then drag and drop the JSON file

st.set_page_config(layout="wide")
st.title("📂 Reading Saved Results")

# === Upload the JSON file ===
uploaded_file = st.file_uploader("📤 Upload a saved JSON file", type="json")

if uploaded_file is not None:
    try:
        data = json.load(uploaded_file)

        st.success("✅ File successfully loaded.")

        # === Display tables ===
        st.subheader("📊 Parameters set")
        df_phys = pd.DataFrame(data["physicals"])
        st.dataframe(df_phys, use_container_width=True)

        st.subheader("📐 Dimensionless Numbers")
        df_adim = pd.DataFrame(data["adimensional_numbers"])
        st.table(df_adim)

        st.subheader("⚙️ LB-WBS Parameters")
        df_eps = pd.DataFrame(data["LB_WBS_parameters"])
        st.table(df_eps)

    except Exception as e:
        st.error(f"❌ Error while reading the file: {e}")
else:
    st.info("📝 Please upload a .json file generated by the simulation application.")