import random
import time
import csv
import os
from phonebook import *

def generate_test_data(n=10000):

    records = [(f"User_{i:05d}", f"+7-999-{i:07d}") for i in range(n)]
    
    records_shuffled = records.copy()
    random.shuffle(records_shuffled)

    records_sorted = sorted(records, key=lambda x: x[0])

    return records_shuffled, records_sorted

def get_random_names(records, n=100):
    return[name for  name, _ in random.sample(records, min(n, len(records)))]

def run_linked_experiment(records, mode_name):

    print(f"\n связный список ({mode_name}):")

    print("вставка 10000 записей:")
    
    insert_times = []
    for run in range(5):
        start = time.perf_counter()
        head = None
        for name, phone in records:
            head = ll_insert(head, name, phone)
        end = time.perf_counter()
        insert_times.append(end - start)
        print(f"Вставка {run+1}/5: {insert_times[-1]:.6f} сек")

    avg_insert = sum(insert_times) / 5
    print(f"среднее: {avg_insert:.6f} сек")

    print("поиск 110 записей:")

    exist_names = get_random_names(records, 100)
    non_exist_names = [f"None_{i}" for i in range(10)]

    find_times = []
    for run in range(5):
        start = time.perf_counter()

        for name in exist_names:
            ll_find(head, name)
        for name in non_exist_names:
            ll_find(head, name)

        end = time.pref_cointer()
        find_times.append(end - start)
        print(f"поиск {run+1}/5: {find_times[-1]:.6f} сек")

    avg_find = sum(find_times) / 5
    print(f"среднее: {avg_find:.6f} сек")

    print("удаление 50 случайных записей:")

    to_delete = get_random_names(records,50)

    delete_times = []
    for run in range(5):
        current_head = head
        start = time.perf_counter()
        for name in to_delete:
            current_head = ll_delete(current_head, name)
        end = time.perf_counter()
        delete_times.append(end - start)
        print(f"удаление {run+1}/5: {delete_times[-1]:.6f} сек")

    avg_delete = sum(delete_times) / 5
    print(f"среднее: {avg_delete:.6f} сек")

    return{
        'structure': 'LinkedList',
        'mode': mode_name,
        'insert_avg': avg_insert,
        'insert_all': insert_times,
        'find_avg': avg_find,
        'find_all': find_times,
        'delete_avg': avg_delete,
        'delete_all': delete_times
    }