from urllib.parse import urlparse


def resolve_user_ids(vk_call_with_retry, vk_api, links):
    resolved_ids = []
    failed_links = []
    for link in links:
        try:
            path = urlparse(link).path
            screen_name = path.split("/")[-1] if path else ""
            if not screen_name and len(path.split("/")) > 1:
                screen_name = path.split("/")[-2]
            if not screen_name:
                failed_links.append((link, None))
                continue
            resolved_object = vk_call_with_retry(vk_api.utils.resolveScreenName, screen_name=screen_name)
            if resolved_object and resolved_object.get("type") == "user":
                resolved_ids.append(resolved_object["object_id"])
            else:
                failed_links.append((link, None))
        except Exception as e:
            failed_links.append((link, e))
    return resolved_ids, failed_links


def load_chat_conversations(vk_call_with_retry, vk_api):
    conversations = []
    start_from = None
    seen_start_tokens = set()
    while True:
        params = {"count": 200, "filter": "all"}
        if start_from:
            if start_from in seen_start_tokens:
                break
            params["start_from"] = start_from
            seen_start_tokens.add(start_from)
        response = vk_call_with_retry(vk_api.messages.getConversations, **params)
        page_items = response.get("items", [])
        if not page_items:
            break
        conversations.extend(page_items)
        start_from = response.get("next_from")
        if not start_from:
            break
    return conversations