/*
===============================================================================

	Users

Defines User struct and functions for manipulating that struct.

===============================================================================
*/
#ifndef USERS_H
#define USERS_H

#include <netinet/in.h>
#include "macros.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <stdint.h> // for intptr_t http://stackoverflow.com/questions/5701450/getting-the-warning-cast-to-pointer-from-integer-of-different-size-from-the-fo#5703367

/* struct for storing known/talked to users */
typedef struct {
	uint8_t address_count;
	struct timeval last_heard;
	struct in_addr last_address;
	//struct in_addr *last_address;
	struct in_addr *addresses; /* dynamically allocated array via malloc */
//	char nick[15];
	char *nick; // dynamically allocated char array
} User;

/* struct for storing a list of Users, memory managed dynamically */
typedef struct {
	int length;
	User *users;
} UserList;

/* checkUser
	Checks the given UserList for the occurrence of nick in the users property
*/
int checkUser(UserList *user_list, const char nick[], struct in_addr address);
/* addUser(UserList *user_list, const char nick[], struct in_addr address)
	creates a new User struct refernced in user_list.users, mallocs User.nick to passed nick and memcpys, set address, and time
*/
int addUser(UserList *user_list, const char nick[], struct in_addr address);
/* updateUser
	Updates the given nick in user_list, setting the User's last_address to address and changing last_heard to the current time
*/
int updateUser(UserList *user_list, const char nick[], struct in_addr address);

/* addUserAddress(User *user, struct in_addr address)
	Takes a pointer to a User struct and adds the address to user.addresses, mallocing as appropriate.
*/
int addUserAddress(User *user, struct in_addr address);

/* freeUserList
	frees all malloc'd values in user_list and the contained users(and their mallocs)
*/
void freeUserList(UserList *user_list);

#endif