/* Tests that we can add friends.

 */

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

#include "../toxcore/ccompat.h"

#include "../toxcore/tox.h"

#include "../toxcore/util.h"

#include "../testing/misc_tools.h"

#include "auto_test_support.h"

#include "check_compat.h"

#define FR_MESSAGE "Gentoo"

static void accept_friend_request(Tox *tox, const Tox_Event_Friend_Request *event,

                                  void *userdata)

{

    const uint8_t *public_key = tox_event_friend_request_get_public_key(event);

    const uint8_t *data = tox_event_friend_request_get_message(event);

    const size_t length = tox_event_friend_request_get_message_length(event);

    ck_assert_msg(length == sizeof(FR_MESSAGE) && memcmp(FR_MESSAGE, data, sizeof(FR_MESSAGE)) == 0,

                  "unexpected friend request message");

    tox_friend_add_norequest(tox, public_key, nullptr);

}

static void iterate2_wait(const Tox_Dispatch *dispatch, Tox *tox1, Tox *tox2)

{

    Tox_Err_Events_Iterate err;

    Tox_Events *events;

    events = tox_events_iterate(tox1, true, &err);

    ck_assert(err == TOX_ERR_EVENTS_ITERATE_OK);

    tox_dispatch_invoke(dispatch, events, tox1, nullptr);

    tox_events_free(events);

    events = tox_events_iterate(tox2, true, &err);

    ck_assert(err == TOX_ERR_EVENTS_ITERATE_OK);

    tox_dispatch_invoke(dispatch, events, tox2, nullptr);

    tox_events_free(events);

    c_sleep(ITERATION_INTERVAL);

}

static void test_friend_request(void)

{

    printf("Initialising 2 toxes.\n");

    uint32_t index[] = { 1, 2 };

    const time_t cur_time = time(nullptr);

    Tox *const tox1 = tox_new_log(nullptr, nullptr, &index[0]);

    Tox *const tox2 = tox_new_log(nullptr, nullptr, &index[1]);

    ck_assert_msg(tox1 && tox2, "failed to create 2 tox instances");

    tox_events_init(tox1);

    tox_events_init(tox2);

    printf("Bootstrapping tox2 off tox1.\n");

    uint8_t dht_key[TOX_PUBLIC_KEY_SIZE];

    tox_self_get_dht_id(tox1, dht_key);

    const uint16_t dht_port = tox_self_get_udp_port(tox1, nullptr);

    tox_bootstrap(tox2, "localhost", dht_port, dht_key, nullptr);

    Tox_Dispatch *dispatch = tox_dispatch_new(nullptr);

    ck_assert(dispatch != nullptr);

    do {

        iterate2_wait(dispatch, tox1, tox2);

    } while (tox_self_get_connection_status(tox1) == TOX_CONNECTION_NONE ||

             tox_self_get_connection_status(tox2) == TOX_CONNECTION_NONE);

    printf("Toxes are online, took %lu seconds.\n", (unsigned long)(time(nullptr) - cur_time));

    const time_t con_time = time(nullptr);

    printf("Tox1 adds tox2 as friend, tox2 accepts.\n");

    tox_events_callback_friend_request(dispatch, accept_friend_request);

    uint8_t address[TOX_ADDRESS_SIZE];

    tox_self_get_address(tox2, address);

    const uint32_t test = tox_friend_add(tox1, address, (const uint8_t *)FR_MESSAGE, sizeof(FR_MESSAGE), nullptr);

    ck_assert_msg(test == 0, "failed to add friend error code: %u", test);

    do {

        iterate2_wait(dispatch, tox1, tox2);

    } while (tox_friend_get_connection_status(tox1, 0, nullptr) != TOX_CONNECTION_UDP ||

             tox_friend_get_connection_status(tox2, 0, nullptr) != TOX_CONNECTION_UDP);

    printf("Tox clients connected took %lu seconds.\n", (unsigned long)(time(nullptr) - con_time));

    printf("friend_request_test succeeded, took %lu seconds.\n", (unsigned long)(time(nullptr) - cur_time));

    tox_dispatch_free(dispatch);

    tox_kill(tox1);

    tox_kill(tox2);

}

int main(void)

{

    setvbuf(stdout, nullptr, _IONBF, 0);

    test_friend_request();

    return 0;

}