import pytest
import random
import string
import subprocess

from helpers import *
from fixtures import *

cmd = 'python3 updatescannedpics.py'

@pytest.mark.parametrize("cmd_line", ["-h", "--help"])
def test_help(cmd_line):
    command = f'{cmd} {cmd_line}'.split()
    output = subprocess.run(command, capture_output=True, encoding='UTF-8')
    
    assert output.returncode == 1
    assert output.stdout == "-i Input Directory\n-o Output Directory\n-m My Pre-Configured Directory Layout\nDefaults directory to PWD\n"

def test_bad_param():
    bad_options = [char for char in string.ascii_letters]
    bad_options.remove('h')
    bad_options.remove('i')
    bad_options.remove('o')
    bad_options.remove('m')

    rand_bad_opt = random.choice(bad_options)
    command = f'{cmd} -{rand_bad_opt}'.split()
    output = subprocess.run(command, capture_output=True, encoding='UTF-8')
    
    assert output.returncode == 2
    assert output.stdout == f"option -{rand_bad_opt} not recognized\n-i Input Directory\n-o Output Directory\n-m My Pre-Configured Directory Layout\nDefaults directory to PWD\n"

@pytest.mark.parametrize("cmd_line, expected", [("", "Not Using"), ("-m", "Using")])
def test_my_format(cmd_line, expected, log_file):
    command = f'{cmd} {cmd_line}'
    run_successfull_cmd(command)

    with open(log_file, 'r') as my_log:
        lines = my_log.readlines()
        assert f"{expected} pre formated directories" in lines[2]