#pragma once

#include <stdbool.h>
#include <stddef.h>

/** Print a horizontal separator line */
void print_line(void);

/** Pause until the user presses ENTER */
void wait_for_enter(const char* prompt);

/** Ask a yes/no question and return boolean */
bool ask_yes_no(const char* prompt);

/**
 * Get the current timestamp for recording when a question was answered
 *
 * @param answer_time_buffer Buffer to store the formatted timestamp
 * @param buffer_capacity Size of the buffer in bytes
 */
void get_answer_timestamp(char* answer_time_buffer, size_t buffer_capacity);

/**
 * Get a random question index in the quiz (thread-safe)
 *
 * @param seed Pointer to an unsigned int seed (per-thread)
 * @param total_questions Number of questions in the current quiz session
 * @return Random index in the range [0, total_questions-1]
 */
size_t get_random_question_index(unsigned int* seed, size_t total_questions);