import csv
import os
import re
import datetime

DIR_WORK = "./"
LIST_BAD_ADAPTER = ['Wireless', 'Bluetooth', 'Wireless', 'WiFi',
                    'Kaspersky', 'VirtualBox', 'TAP-Windows',
                    'Wintun', '802.11', 'VMware', 'VPN', 'Wi-Fi',
                    '1394', 'Mobile']


def check_correct_controller(name):
    return any(ext not in name for ext in LIST_BAD_ADAPTER)


class ObjectReady:
    def get_len_dict(self):
        return len(self.__dict__)


def get_paths():
    list_path = []
    for root, _, files in os.walk(DIR_WORK):
        list_path += [
            F"{root}/{file}" for file in files if file.split('.')[-1] == 'csv' and "result" not in file]
    return list_path


def convert_mb_to_gb(val):
    numbers = int(''.join([x for x in val if x.isdigit()]))
    return str(round(numbers/1024, 1))+' GB'


def get_ser_motherboard(row):
    if len(row) > 0:
        if row[0][6] != 'To be filled by O.E.M.':
            return row[0][6]
        else:
            return None
    else:
        return None


def get_data_from_file(path, obj):
    with open(path, 'r', encoding='utf-16') as file:
        cs = csv.reader(file, delimiter=',')
        next(cs)
        line_info_computers = next(cs)
        obj.os = line_info_computers[7]
        obj.motherboard = get_ser_motherboard(
            [x for x in cs if x[0] == '6200'])
        obj.cpu = line_info_computers[13]
        obj.ram = convert_mb_to_gb(line_info_computers[14])

        network_params = [x for x in cs if len(
            x) > 2 and x[0] == '2600' and check_correct_controller(x[3])]

        if len(network_params) != 0:
            i = 1
            for network in network_params:
                setattr(obj, F'ip{i}', network[6].split(' ')[0])
                setattr(obj, F'mac{i}', network[-3])
                i += 1
        else:
            obj.ip1 = None
            obj.mac1 = None

        file.close()


def get_ready_information():
    err_file = open(F"Error_file-{datetime.datetime.today().strftime('%Y-%m-%d-%H.%M.%S')}", "w")
    list_objects = []
    for path in get_paths():
        
        obj = ObjectReady()
        obj.frame = path.split('/')[-2]
        obj.cabinet = re.findall(
            r"\/([\w+?\ ?[а-яА-Я]+\ ?|\w+?\ ?[a-zA-Z]+\ ?|\d+])[\.|\,]", path)[-1]
        
        try:
            get_data_from_file(path, obj)
        except UnicodeDecodeError as ude:
            err_file.write(F"{path} --> {ude}\n")
        except StopIteration as si:
            err_file.write(F"{path} --> Пустой файл или тмпо того\n")

        list_objects.append(obj)
    return list_objects


def create_csv(list_obj):
    max_index = max([(v.get_len_dict(), i) for i, v in enumerate(list_obj)])[1]
    namefile = F"result-{datetime.datetime.today().strftime('%Y-%m-%d-%H.%M.%S')}"

    with open(F"{namefile}.csv", 'w', newline='') as f:
        name_fields = [v for v in list_obj[max_index].__dict__]
        writer = csv.DictWriter(f, fieldnames=name_fields,
                                delimiter=';', quoting=csv.QUOTE_NONNUMERIC)
        writer.writeheader()
        [writer.writerow(elem.__dict__) for elem in list_obj]
        f.close()


if __name__ == '__main__':
    ready_information = get_ready_information()
    create_csv(ready_information)