import streamlit as st
import os
import pkg_resources

# # Using this wacky hack to get around the massively ridicolous managed env loading order
def is_installed(package_name, version):
    try:
        pkg = pkg_resources.get_distribution(package_name)
        return pkg.version == version
    except pkg_resources.DistributionNotFound:
        return False

# shifted from below - this must be the first streamlit call; otherwise: problems
st.set_page_config(page_title = 'Vulnerability Analysis', 
                   initial_sidebar_state='expanded', layout="wide") 

@st.cache_resource # cache the function so it's not called every time app.py is triggered
def install_packages():
    install_commands = []

    if not is_installed("spaces", "0.12.0"):
        install_commands.append("pip install spaces==0.17.0")
    
    if not is_installed("pydantic", "1.8.2"):
        install_commands.append("pip install pydantic==1.8.2")

    if not is_installed("typer", "0.4.0"):
        install_commands.append("pip install typer==0.4.0")

    if install_commands:
        os.system(" && ".join(install_commands))

# install packages if necessary
install_packages()

import appStore.vulnerability_analysis as vulnerability_analysis
import appStore.target as target_analysis
import appStore.doc_processing as processing
from utils.uploadAndExample import add_upload
from utils.vulnerability_classifier import label_dict
from utils.config import model_dict
import pandas as pd
import plotly.express as px

# st.set_page_config(page_title = 'Vulnerability Analysis', 
#                   initial_sidebar_state='expanded', layout="wide") 

with st.sidebar:
    # upload and example doc
    choice = st.sidebar.radio(label = 'Select the Document',
                            help = 'You can upload the document \
                            or else you can try a example document', 
                            options = ('Upload Document', 'Try Example'), 
                            horizontal = True)
    add_upload(choice)

    # Create a list of options for the dropdown
    model_options = ['Llama3.1-8B','Llama3.1-70B','Llama3.1-405B','Zephyr 7B β','Mistral-7B','Mixtral-8x7B']

    # Dropdown selectbox: model
    model_sel = st.selectbox('Select a model:', model_options)
    model_sel_name = model_dict[model_sel]

    st.session_state['model_sel_name'] = model_sel_name

with st.container():
    st.markdown("<h2 style='text-align: center;'> Vulnerability Analysis 3.1 </h2>", unsafe_allow_html=True)
    st.write(' ')

with st.expander("ℹ️ - About this app", expanded=False):
    st.write(
        """
        The Vulnerability Analysis App is an open-source\
        digital tool which aims to assist policy analysts and \
        other users in extracting and filtering references \
        to different groups in vulnerable situations from public documents. \
        We use Natural Language Processing (NLP), specifically deep \
        learning-based text representations  to search context-sensitively \
        for mentions of the special needs of groups in vulnerable situations 
        to cluster them thematically. 
        For more understanding on Methodology [Click Here](https://vulnerability-analysis.streamlit.app/)
        """)
    
    st.write("""
        What Happens in background?
        
        - Step 1: Once the document is provided to app, it undergoes *Pre-processing*.\
        In this step the document is broken into smaller paragraphs \
        (based on word/sentence count).
        - Step 2: The paragraphs are then fed to the **Vulnerability Classifier** which detects if
        the paragraph contains any or multiple references to vulnerable groups.
        """)
                  
    st.write("")

# Define the apps used
apps = [processing.app, vulnerability_analysis.app, target_analysis.app]

multiplier_val =1/len(apps)
if st.button("Analyze Document"):
    prg = st.progress(0.0)
    for i,func in enumerate(apps):
        func()
        prg.progress((i+1)*multiplier_val)

# If there is data stored
if 'key0' in st.session_state:

    vulnerability_analysis.vulnerability_display()
    target_analysis.target_display(model_sel_name=model_sel_name)