# some basic utils for dev 

import os
from six.moves import range

def format_float_list(in_list):
    return ['%.3f' % s for s in in_list]

def str_int_list_no_bracket(int_list):
    return ','.join(map(str, int_list))

def show_anomaly_figure():
    return _check_env_variable('SHOW_ANOMALY_FIG')
    
def print_pattern_scores():
    return _check_env_variable('PRINT_PATTERN_SCORES')

def is_verbose():
    return _check_env_variable('TIMEPOLICY_VERBOSE')

def _check_env_variable(var_name):
    v = os.getenv(var_name)
    if v:
        return v.lower() == 'true'
    return False

def compare_versions(v1, v2):
    arr1 = v1.split(".") 
    arr2 = v2.split(".") 
    n = len(arr1)
    m = len(arr2)
    
    arr1 = [int(i) for i in arr1]
    arr2 = [int(i) for i in arr2]
 
    if n>m:
      for i in range(m, n):
         arr2.append(0)
    elif m>n:
      for i in range(n, m):
         arr1.append(0)
    
    for i in range(len(arr1)):
      if arr1[i]>arr2[i]:
         return 1
      elif arr2[i]>arr1[i]:
         return -1
    return 0