#!/usr/bin/python
import os, sys

group_start = 1
group_end = 18
device_start = 1
device_end = 6
devices = {}

for group in range(group_start, group_end + 1):
    for device in range(device_start, device_end + 1):
        device_id = str(group*10 + device)
        devices[device_id] = 0

if len(sys.argv) < 2:
    path = '.'
else:
    path = sys.argv[1]

path = os.path.abspath(path)
print('checking path: ' + path)

for file in os.listdir(path):
    device_id = file.split('_')[0]
    if device_id in devices:
        del devices[device_id]
    device_id = file.split('.')[0]
    if device_id in devices:
        del devices[device_id]


if len(devices) > 0:
    print('lost photo: ', len(devices))
    for device_id in devices:
        print(device_id)
else:
    print('all photos found')