#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Mon Dec 12 10:57:46 2022

@author: saramarceglia
"""

import requests
import json
import PySimpleGUI as sg



apikey = "XXXXX" #qui ciascuno deve mettere la propria
baseURI = "https://uts-ws.nlm.nih.gov/rest"
path = "/search/current"
pathDefinition = '/content/current/CUI/'


#FUNZIONE CHE SERVE PER ESTRARRE IL VALORE SELEZIONATO DAL MENU A TENDINA
def callback(var, index, mode):
    
    """
    For OptionMenu
    var - tkinter control variable.
    index - index of var, '' if var is not a list.
    mode - 'w' for 'write' here.
    """

    window.write_event_value('-CONCEPTLIST-', window['-CONCEPTLIST-'].TKStringVar.get())



#creo layout della finestra
conceptList = ['',]
layout = [[sg.Text("Inserisci un termine di ricerca")],
          [sg.Input(key='-INPUT-')],
          [sg.Button('Search')],
          [sg.Text('Diagnosi:'),sg.OptionMenu(values=conceptList , key='-CONCEPTLIST-')],
          [sg.Button('Vedi Definizione')],
          [sg.Text(key = '-OUTPUT-')],
          [sg.Button('Quit')]]

#creo la finestra
window = sg.Window('Insert Diagnosis', layout)


#Event Loop di interazione

while True:
    event, values = window.read()
    if event == 'Quit' or event == sg.WINDOW_CLOSED:
        break
    elif event == 'Search':
        searchTerm = values['-INPUT-']
        param = {'apiKey': apikey,'string':searchTerm,'pageNumber':1}
        results = requests.get(baseURI+path, params= param)
        resList = results.json()['result']['results']
        ConceptList2 = [d['name'] for d in resList]
        window['-CONCEPTLIST-'].update(values = ConceptList2)
        window['-CONCEPTLIST-'].TKStringVar.trace("w", callback)
    elif event == 'Vedi Definizione':
        name = values['-CONCEPTLIST-']
        pos = ConceptList2.index(name)
        CUI = resList[pos]['ui']
        dictDef = {'apiKey':apikey,'sabs':'MSH'}
        resDef = requests.get(baseURI+pathDefinition+CUI+'/definitions',params = dictDef)
        if resDef.status_code == 200:
            window['-OUTPUT-'].update(resDef.json()['result'][0]['value'])
        else:
            window['-OUTPUT-'].update('Definizione non trovata')




#Chiusura finestra
window.close()