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IDS_Commute
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# coding: utf-8

# Author: Du Mingzhe ([email protected])
# Date: 2025/03/22

import os
import json
import requests
import streamlit as st

nextbus_token = os.getenv("NEXTBUS_TOKEN")

def wide_space_default():
    st.set_page_config(layout='wide')
wide_space_default()

def get_all_stops():
    url = "https://nnextbus.nus.edu.sg/BusStops"

    payload = {}
    headers = {
        'Host': 'nnextbus.nus.edu.sg',
        'Content-Type': 'application/json',
        'Connection': 'keep-alive',
        'Accept': 'application/json',
        'User-Agent': 'nusnextbusv2/1 CFNetwork/978.0.7 Darwin/18.7.0',
        'Authorization': nextbus_token,
        'Accept-Language': 'en-us',
        'Accept-Encoding': 'br, gzip, deflate'
    }

    response = requests.request("GET", url, headers=headers, data=payload)
    return response.json()["BusStopsResult"]["busstops"]

def get_bus_arrival(bus_stop_code):
    url = f"https://nnextbus.nus.edu.sg/ShuttleService?busstopname={bus_stop_code}"

    payload = {}
    headers = {
        'Host': 'nnextbus.nus.edu.sg',
        'Content-Type': 'application/json',
        'Connection': 'keep-alive',
        'Accept': 'application/json',
        'User-Agent': 'nusnextbusv2/1 CFNetwork/978.0.7 Darwin/18.7.0',
        'Authorization': 'Basic TlVTbmV4dGJ1czoxM2RMP3pZLDNmZVdSXiJU',
        'Accept-Language': 'en-us',
        'Accept-Encoding': 'br, gzip, deflate'
    }

    response = requests.request("GET", url, headers=headers, data=payload)

    return response.json()['ShuttleServiceResult']['shuttles']

# stops = get_all_stops()
stops = [
            {
                "caption": "COM 3",
                "name": "COM3",
                "LongName": "COM 3",
                "ShortName": "COM 3",
                "latitude": 1.294431,
                "longitude": 103.775217
            },
            {
                "caption": "Opp TCOMS",
                "name": "TCOMS-OPP",
                "LongName": "Opp TCOMS",
                "ShortName": "Opp TCOMS",
                "latitude": 1.293789,
                "longitude": 103.776715
            },
            {
                "caption": "TCOMS",
                "name": "TCOMS",
                "LongName": "TCOMS",
                "ShortName": "TCOMS",
                "latitude": 1.293654,
                "longitude": 103.776898
            },
            {
                "caption": "BIZ 2",
                "name": "BIZ2",
                "LongName": "BIZ 2",
                "ShortName": "BIZ 2",
                "latitude": 1.293273,
                "longitude": 103.775074
            },
            {
                "caption": "University Town",
                "name": "UTOWN",
                "LongName": "University Town",
                "ShortName": "UTown",
                "latitude": 1.303623,
                "longitude": 103.774388
            },
            {
                "caption": "Prince George's Park",
                "name": "PGP",
                "LongName": "Prince George's Park",
                "ShortName": "PGP",
                "latitude": 1.291765,
                "longitude": 103.780419
            },
            {
                "caption": "Prince George's Park Foyer",
                "name": "PGPR",
                "LongName": "Prince George's Park Foyer",
                "ShortName": "PGP Foyer",
                "latitude": 1.290994,
                "longitude": 103.781153
            },
            {
                "caption": "Opp Kent Ridge MRT",
                "name": "KR-MRT-OPP",
                "LongName": "Opp Kent Ridge MRT",
                "ShortName": "Opp KR MRT",
                "latitude": 1.294962,
                "longitude": 103.784556
            },
            {
                "caption": "Kent Ridge MRT",
                "name": "KR-MRT",
                "LongName": "Kent Ridge MRT",
                "ShortName": "KR MRT",
                "latitude": 1.29482,
                "longitude": 103.784413
            },
        ]

st.write(
    """
    <style>
    [data-testid="stMetricDelta"] svg {
        display: none;
    }
    </style>
    """,
    unsafe_allow_html=True,
)


for stop_info in stops:
    shuttle_info = get_bus_arrival(stop_info['name'])
    
    buses = list()
    
    for shuttle in shuttle_info:
        if shuttle["_etas"] is None: continue
        for bus in shuttle["_etas"]:
            plate = bus["plate"]
            eta = bus["eta"]
            shuttle_name = shuttle['name']
            buses.append({
                "shuttle_name": shuttle_name,
                "plate": plate,
                "eta": eta
            })
    
    buses.sort(key=lambda x: x["eta"])
    
    with st.container(border=True):
        cols = st.columns(6)
        cols[0].metric("Bus Stop", stop_info['name'])
        
        for i, bus in enumerate(buses[:5]):
            cols[i+1].metric(bus['plate'], bus["shuttle_name"], str(bus["eta"]))