import json
import csv


asana_data = './data/data_asana.json'


def extract_unique_names_and_ids(data):
    """ Получение из json-файла данных о пользователях """

    unique_names = set()
    unique_ids = set()

    for item in data:
        assignee = item.get("assignee")
        followers = item.get("followers")

        if assignee:
            unique_names.add(assignee.get("name"))
            unique_ids.add(assignee.get("id"))

        if followers:
            for follower in followers:
                unique_names.add(follower.get("name"))
                unique_ids.add(follower.get("id"))

    return unique_names, unique_ids


def export_to_csv(unique_names, unique_ids):
    with open("output.csv", "w", newline="") as csvfile:
        writer = csv.writer(csvfile, delimiter=",")
        writer.writerow(["Name", "ID"])

        for name, id in zip(unique_names, unique_ids):
            writer.writerow([name, id])


with open('asana_data', 'r') as file:
    json_data = json.load(file)

unique_names, unique_ids = extract_unique_names_and_ids(json_data)
export_to_csv(unique_names, unique_ids)