from structures.LinkedList import *


def hash_func(name: str, size: int) -> int:
    total = 0

    for i, ch in enumerate(name):
        total += ord(ch) * (i + 1)

    return total % size


def ht_insert(buckets: list | None, name: str, phone: str, size: int = 50) -> list:
    if buckets is None:
        buckets = [None] * size

    index = hash_func(name, len(buckets))
    buckets[index] = ll_insert(buckets[index], name, phone)

    return buckets


def ht_find(buckets: list | None, name: str) -> str | None:
    if not buckets:
        return None

    index = hash_func(name, len(buckets))
    return ll_find(buckets[index], name)


def ht_delete(buckets: list | None, name: str) -> list | None:
    if not buckets:
        return buckets

    index = hash_func(name, len(buckets))
    buckets[index] = ll_delete(buckets[index], name)

    return buckets


def ht_list_all(buckets: list | None) -> list:
    if not buckets:
        return []

    result = []

    for bucket in buckets:
        if bucket is not None:
            result.extend(ll_list_all(bucket))

    return sorted(result, key=lambda x: x[0])