from pathlib import Path
import pytest
import shutil
import tempfile
from unittest import mock

from ordigi.config import Config

# Helpers
import random
import string

def random_char(y):
    return ''.join(random.choice(string.printable) for x in range(y))

def write_random_file(file_path):
    with open(file_path, 'w') as conf_file:
        conf_file.write(random_char(20))

class TestConfig:

    @pytest.fixture(scope="module")
    def conf(self, conf_path):
        config = Config(conf_path)
        return config.load_config()

    def test_write(self, conf_path):
        assert conf_path.is_file()

    def test_load_config(self, conf):
        """
        Read files from config and return variables
        """
        # test valid config file
        assert conf['Path']['dirs_path'] == '%u<%Y-%m>/<city>|<city>-<%Y>/<folders[:1]>/<folder>'
        assert conf['Path']['name'] == '<%Y-%m-%b-%H-%M-%S>-<basename>.%l<ext>'
        assert conf['Path']['day_begins'] == '4'
        assert conf['Geolocation']['geocoder'] == 'Nominatium'

    def test_load_config_no_exist(self):
        # test file not exist
        config = Config()
        config.conf_path = Path('filename')
        assert config.load_config() == {}

    def test_load_config_invalid(self, conf_path):
        # test invalid config
        write_random_file(conf_path)
        with pytest.raises(Exception) as e:
            config = Config(conf_path)
        assert e.typename == 'MissingSectionHeaderError'

    # def test_get_path_definition(self, conf):
    #     """
    #     Get path definition from config
    #     """
    #     config = Config(conf=conf)
    #     path = config.get_path_definition()
    #     assert path == '%u<%Y-%m>/<city>|<city>-<%Y>/<folders[:1]>/<folder>/<%Y-%m-%b-%H-%M-%S>-<basename>.%l<ext>'

    def test_get_config_options(self, conf):
        config = Config(conf=conf)
        options = config.get_config_options()
        assert isinstance(options, dict)
        # assert isinstance(options['Path'], dict)