import streamlit as st
import pandas as pd

# Load the data
data = pd.read_csv('Exact_Match_Updated_Authors_Data.csv')

# Display the title
st.title("Data Filter:")

# Sidebar filters with "All" option
country_options = ['All'] + list(data['country'].unique())
selected_country = st.sidebar.selectbox('Select Country', country_options)

# Filter by selected country
if selected_country != 'All':
    filtered_data = data[data['country'] == selected_country]
else:
    filtered_data = data

# Further filter by university
university_options = ['All'] + list(filtered_data['university'].unique())
selected_university = st.sidebar.selectbox('Select University', university_options)

if selected_university != 'All':
    filtered_data = filtered_data[filtered_data['university'] == selected_university]

# Further filter by department
department_options = ['All'] + list(filtered_data['department'].unique())
selected_department = st.sidebar.selectbox('Select Department', department_options)

if selected_department != 'All':
    filtered_data = filtered_data[filtered_data['department'] == selected_department]

# Further filter by year
year_options = ['All'] + list(filtered_data['year'].unique())
selected_year = st.sidebar.selectbox('Select Year', year_options)

if selected_year != 'All':
    filtered_data = filtered_data[filtered_data['year'] == selected_year]

# Display the filtered data
st.write("Filtered Data", filtered_data)