import logging
import os
import numpy as np
import streamlit as st
from twilio.rest import Client

# logger = logging.getLogger(__name__)


# @st.cache_data  # type: ignore

def calculate_angle(a, b, c):
    a = np.array(a)
    b = np.array(b)
    c = np.array(c)
    
    radians = np.arctan2(c[1]-b[1], c[0]-b[0]) - np.arctan2(a[1]-b[1], a[0]-b[0])
    angle = np.abs(radians*180.0/np.pi)
    
    if angle > 180.0:
        angle = 360 - angle
        
    return angle