/* Tests that we can send messages to friends.

 */

#include <stdbool.h>

#include <stdint.h>

#include <string.h>

typedef struct State {

    bool message_received;

} State;

#include "auto_test_support.h"

#define MESSAGE_FILLER 'G'

static void message_callback(

    Tox *m, const Tox_Event_Friend_Message *event, void *user_data)

{

    const AutoTox *autotox = (AutoTox *)user_data;

    State *state = (State *)autotox->state;

    const Tox_Message_Type type = tox_event_friend_message_get_type(event);

    const uint8_t *string = tox_event_friend_message_get_message(event);

    const uint32_t length = tox_event_friend_message_get_message_length(event);

    if (type != TOX_MESSAGE_TYPE_NORMAL) {

        ck_abort_msg("Bad type");

    }

    const size_t cmp_msg_len = tox_max_message_length();

    uint8_t *cmp_msg = (uint8_t *)malloc(cmp_msg_len);

    ck_assert(cmp_msg != nullptr);

    memset(cmp_msg, MESSAGE_FILLER, cmp_msg_len);

    if (length == tox_max_message_length() && memcmp(string, cmp_msg, cmp_msg_len) == 0) {

        state->message_received = true;

    }

    free(cmp_msg);

}

static void send_message_test(AutoTox *autotoxes)

{

    tox_events_callback_friend_message(autotoxes[1].dispatch, &message_callback);

    const size_t msgs_len = tox_max_message_length() + 1;

    uint8_t *msgs = (uint8_t *)malloc(msgs_len);

    ck_assert(msgs != nullptr);

    memset(msgs, MESSAGE_FILLER, msgs_len);

    Tox_Err_Friend_Send_Message errm;

    tox_friend_send_message(autotoxes[0].tox, 0, TOX_MESSAGE_TYPE_NORMAL, msgs, msgs_len, &errm);

    ck_assert_msg(errm == TOX_ERR_FRIEND_SEND_MESSAGE_TOO_LONG, "tox_max_message_length() is too small? error=%d", errm);

    tox_friend_send_message(autotoxes[0].tox, 0, TOX_MESSAGE_TYPE_NORMAL, msgs, tox_max_message_length(), &errm);

    ck_assert_msg(errm == TOX_ERR_FRIEND_SEND_MESSAGE_OK, "tox_max_message_length() is too big? error=%d", errm);

    free(msgs);

    do {

        iterate_all_wait(autotoxes, 2, ITERATION_INTERVAL);

    } while (!((State *)autotoxes[1].state)->message_received);

}

int main(void)

{

    setvbuf(stdout, nullptr, _IONBF, 0);

    struct Tox_Options *tox_options = tox_options_new(nullptr);

    ck_assert(tox_options != nullptr);

    Run_Auto_Options options = default_run_auto_options();

    options.graph = GRAPH_LINEAR;

    tox_options_set_ipv6_enabled(tox_options, true);

    run_auto_test(tox_options, 2, send_message_test, sizeof(State), &options);

    tox_options_set_ipv6_enabled(tox_options, false);

    run_auto_test(tox_options, 2, send_message_test, sizeof(State), &options);

    tox_options_free(tox_options);

    return 0;

}