import streamlit as st
from pyserini.search.lucene import LuceneSearcher
import json

st.set_page_config(page_title="Pyserini x Datasets", page_icon='🌸', layout="centered")
searcher = LuceneSearcher('index')


cola, colb, colc = st.columns([5,4,5])
with colb:
    st.image("logo.png")

col1, col2 = st.columns([9, 1])
with col1:
    search_query = st.text_input(label="", placeholder="Search")

with col2:
    st.write('#')
    button_clicked = st.button("🔎")


if search_query or button_clicked:
    myquery = parser.parse(search_query)
    num_results = None
    #search_results = searcher.search(myquery, limit=num_results)
    search_results = searcher.search(myquery, k=1000)
    #st.write(f"<p align=\"right\" style=\"color:grey;\">Retrieved {len(search_results):,.0f} documents in {search_results.runtime*1000:.2f} ms</p>", unsafe_allow_html=True)
    for result in search_results[:10]:
        #keywords = ', '.join(result.key_terms('text'))
        #meta = result['meta']
        #st.write(f"<b>Document Keywords</b>: {keywords}", unsafe_allow_html=True)
        #st.write(f"<b>Meta Field</b>: {meta}", unsafe_allow_html=True)
        try:
            st.write(
            json.loads(result.raw["contents"]),
            unsafe_allow_html=True
            )
        except:
            pass
        #with st.expander("Document Text", expanded=False):
            #st.write(result['text'][:1600])
        st.write('---')