from api.http_client import HttpClient


def get_instances(client):
    results = []
    page = 1
    page_size = 200
    while True:
        data = client.get("/instances", params={"pageSize": page_size, "page": page})
        batch = data.get("results", []) or []
        results.extend(batch)
        # Не доверяем total: если страница вернула меньше pageSize, значит данные закончились.
        if len(batch) < page_size:
            break
        page += 1
    return results


def get_organization(client):
    for inst in get_instances(client):
        if inst.get("serviceId") == 19:
            return inst
    return None