'''
Created on Feb 18, 2021 @author: vnc-console
'''
import os
import traceback
import operator
import sys
import platform
import subprocess as sp
from time import sleep


def filter_files(code, _ext='.xml', path=None):
    '''lists all pdf's in current directory'''
    if path:
        my_files = filter(lambda file: file.endswith(_ext) and code in file or
                          file.endswith(_ext.upper()) and code in file, os.listdir(path))
    else:
        my_files = filter(lambda file: file.endswith(_ext) and code in file or
                          file.endswith(_ext.upper()) and code in file, os.listdir())
    return my_files

def count_down(t, d_type, up_down, max_count=None):
    if up_down == 'down':
        one_ = -1
        OPERAND_ = operator.ge
        max_count = 0
        finish = 'count%s finished' % up_down
    elif up_down == 'up':
        one_ = 1
        OPERAND_ = operator.le
        finish = 'count%s finished' % up_down
        max_count = max_count
    while OPERAND_(t, max_count):
        if d_type == 'm':
            mins, secs = divmod(t, 60)
            tf = '{0:2d}:{1:2d}'.format(mins, secs)
            print(tf, end='\r')
            sleep(1)
            t += one_
        elif d_type == 'h':
            hour, rem = divmod(t, 60)
            _, secs = divmod(rem, 60)
            hours, mins = divmod(hour, 60)
            tf = '{0:02d}:{1:02d}:{2:02d}'.format(hours, mins, secs)
            print(tf, end='\r')
            sleep(1)
            t += one_
    else:
        print(finish)

def pretty_exc(exc):
    exc_type, _exc_obj, exc_tb = sys.exc_info()
    # fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
    for tb in list(traceback.format_exception(exc_type, _exc_obj, exc_tb)):
        print(tb)
    # print(exc_type, fname, 'ln', exc_tb.tb_lineno, '-' + str(exc))

def file_open(file_name):
    abs_path = os.path.abspath(file_name)
    if platform.system() == 'Windows':
        sp.run(f'start {abs_path}', shell=True)
    elif platform.system() == 'Linux':
        sp.run(['xdg-open', f'{abs_path}'])
    else:
        raise NotImplementedError