/* SPDX-License-Identifier: GPL-3.0-or-later

 * Copyright © 2023-2024 The TokTok team.

 */

#include "events_alloc.h"

#include <assert.h>

#include "../bin_pack.h"

#include "../bin_unpack.h"

#include "../ccompat.h"

#include "../mem.h"

#include "../tox.h"

#include "../tox_events.h"

/*****************************************************

 *

 * :: struct and accessors

 *

 *****************************************************/

struct Tox_Event_Friend_Typing {

    uint32_t friend_number;

    bool typing;

};

non_null()

static void tox_event_friend_typing_set_friend_number(Tox_Event_Friend_Typing *friend_typing,

        uint32_t friend_number)

{

    assert(friend_typing != nullptr);

    friend_typing->friend_number = friend_number;

}

uint32_t tox_event_friend_typing_get_friend_number(const Tox_Event_Friend_Typing *friend_typing)

{

    assert(friend_typing != nullptr);

    return friend_typing->friend_number;

}

non_null()

static void tox_event_friend_typing_set_typing(Tox_Event_Friend_Typing *friend_typing,

        bool typing)

{

    assert(friend_typing != nullptr);

    friend_typing->typing = typing;

}

bool tox_event_friend_typing_get_typing(const Tox_Event_Friend_Typing *friend_typing)

{

    assert(friend_typing != nullptr);

    return friend_typing->typing;

}

non_null()

static void tox_event_friend_typing_construct(Tox_Event_Friend_Typing *friend_typing)

{

    *friend_typing = (Tox_Event_Friend_Typing) {

        0

    };

}

non_null()

static void tox_event_friend_typing_destruct(Tox_Event_Friend_Typing *friend_typing, const Memory *mem)

{

    return;

}

bool tox_event_friend_typing_pack(

    const Tox_Event_Friend_Typing *event, Bin_Pack *bp)

{

    return bin_pack_array(bp, 2)

           && bin_pack_u32(bp, event->friend_number)

           && bin_pack_bool(bp, event->typing);

}

non_null()

static bool tox_event_friend_typing_unpack_into(

    Tox_Event_Friend_Typing *event, Bin_Unpack *bu)

{

    assert(event != nullptr);

    if (!bin_unpack_array_fixed(bu, 2, nullptr)) {

        return false;

    }

    return bin_unpack_u32(bu, &event->friend_number)

           && bin_unpack_bool(bu, &event->typing);

}

/*****************************************************

 *

 * :: new/free/add/get/size/unpack

 *

 *****************************************************/

const Tox_Event_Friend_Typing *tox_event_get_friend_typing(const Tox_Event *event)

{

    return event->type == TOX_EVENT_FRIEND_TYPING ? event->data.friend_typing : nullptr;

}

Tox_Event_Friend_Typing *tox_event_friend_typing_new(const Memory *mem)

{

    Tox_Event_Friend_Typing *const friend_typing =

        (Tox_Event_Friend_Typing *)mem_alloc(mem, sizeof(Tox_Event_Friend_Typing));

    if (friend_typing == nullptr) {

        return nullptr;

    }

    tox_event_friend_typing_construct(friend_typing);

    return friend_typing;

}

void tox_event_friend_typing_free(Tox_Event_Friend_Typing *friend_typing, const Memory *mem)

{

    if (friend_typing != nullptr) {

        tox_event_friend_typing_destruct(friend_typing, mem);

    }

    mem_delete(mem, friend_typing);

}

non_null()

static Tox_Event_Friend_Typing *tox_events_add_friend_typing(Tox_Events *events, const Memory *mem)

{

    Tox_Event_Friend_Typing *const friend_typing = tox_event_friend_typing_new(mem);

    if (friend_typing == nullptr) {

        return nullptr;

    }

    Tox_Event event;

    event.type = TOX_EVENT_FRIEND_TYPING;

    event.data.friend_typing = friend_typing;

    tox_events_add(events, &event);

    return friend_typing;

}

bool tox_event_friend_typing_unpack(

    Tox_Event_Friend_Typing **event, Bin_Unpack *bu, const Memory *mem)

{

    assert(event != nullptr);

    assert(*event == nullptr);

    *event = tox_event_friend_typing_new(mem);

    if (*event == nullptr) {

        return false;

    }

    return tox_event_friend_typing_unpack_into(*event, bu);

}

non_null()

static Tox_Event_Friend_Typing *tox_event_friend_typing_alloc(void *user_data)

{

    Tox_Events_State *state = tox_events_alloc(user_data);

    assert(state != nullptr);

    if (state->events == nullptr) {

        return nullptr;

    }

    Tox_Event_Friend_Typing *friend_typing = tox_events_add_friend_typing(state->events, state->mem);

    if (friend_typing == nullptr) {

        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;

        return nullptr;

    }

    return friend_typing;

}

/*****************************************************

 *

 * :: event handler

 *

 *****************************************************/

void tox_events_handle_friend_typing(Tox *tox, uint32_t friend_number, bool typing,

        void *user_data)

{

    Tox_Event_Friend_Typing *friend_typing = tox_event_friend_typing_alloc(user_data);

    if (friend_typing == nullptr) {

        return;

    }

    tox_event_friend_typing_set_friend_number(friend_typing, friend_number);

    tox_event_friend_typing_set_typing(friend_typing, typing);

}