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

 * Copyright © 2023-2025 The TokTok team.

 */

#include "events_alloc.h"

#include <assert.h>

#include "../attributes.h"

#include "../bin_pack.h"

#include "../bin_unpack.h"

#include "../ccompat.h"

#include "../mem.h"

#include "../tox.h"

#include "../tox_event.h"

#include "../tox_events.h"

#include "../tox_pack.h"

#include "../tox_unpack.h"

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

 *

 * :: struct and accessors

 *

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

struct Tox_Event_Group_Moderation {

    uint32_t group_number;

    uint32_t source_peer_id;

    uint32_t target_peer_id;

    Tox_Group_Mod_Event mod_type;

};

static void tox_event_group_moderation_set_group_number(Tox_Event_Group_Moderation *_Nonnull group_moderation, uint32_t group_number)

{

    assert(group_moderation != nullptr);

    group_moderation->group_number = group_number;

}

uint32_t tox_event_group_moderation_get_group_number(const Tox_Event_Group_Moderation *group_moderation)

{

    assert(group_moderation != nullptr);

    return group_moderation->group_number;

}

static void tox_event_group_moderation_set_source_peer_id(Tox_Event_Group_Moderation *_Nonnull group_moderation, uint32_t source_peer_id)

{

    assert(group_moderation != nullptr);

    group_moderation->source_peer_id = source_peer_id;

}

uint32_t tox_event_group_moderation_get_source_peer_id(const Tox_Event_Group_Moderation *group_moderation)

{

    assert(group_moderation != nullptr);

    return group_moderation->source_peer_id;

}

static void tox_event_group_moderation_set_target_peer_id(Tox_Event_Group_Moderation *_Nonnull group_moderation, uint32_t target_peer_id)

{

    assert(group_moderation != nullptr);

    group_moderation->target_peer_id = target_peer_id;

}

uint32_t tox_event_group_moderation_get_target_peer_id(const Tox_Event_Group_Moderation *group_moderation)

{

    assert(group_moderation != nullptr);

    return group_moderation->target_peer_id;

}

static void tox_event_group_moderation_set_mod_type(Tox_Event_Group_Moderation *_Nonnull group_moderation, Tox_Group_Mod_Event mod_type)

{

    assert(group_moderation != nullptr);

    group_moderation->mod_type = mod_type;

}

Tox_Group_Mod_Event tox_event_group_moderation_get_mod_type(const Tox_Event_Group_Moderation *group_moderation)

{

    assert(group_moderation != nullptr);

    return group_moderation->mod_type;

}

static void tox_event_group_moderation_construct(Tox_Event_Group_Moderation *_Nonnull group_moderation)

{

    *group_moderation = (Tox_Event_Group_Moderation) {

        0

    };

}

static void tox_event_group_moderation_destruct(Tox_Event_Group_Moderation *_Nonnull group_moderation, const Memory *_Nonnull mem)

{

    return;

}

bool tox_event_group_moderation_pack(

    const Tox_Event_Group_Moderation *event, Bin_Pack *bp)

{

    return bin_pack_array(bp, 4)

           && bin_pack_u32(bp, event->group_number)

           && bin_pack_u32(bp, event->source_peer_id)

           && bin_pack_u32(bp, event->target_peer_id)

           && tox_group_mod_event_pack(event->mod_type, bp);

}

static bool tox_event_group_moderation_unpack_into(Tox_Event_Group_Moderation *_Nonnull event, Bin_Unpack *_Nonnull bu)

{

    assert(event != nullptr);

    if (!bin_unpack_array_fixed(bu, 4, nullptr)) {

        return false;

    }

    return bin_unpack_u32(bu, &event->group_number)

           && bin_unpack_u32(bu, &event->source_peer_id)

           && bin_unpack_u32(bu, &event->target_peer_id)

           && tox_group_mod_event_unpack(&event->mod_type, bu);

}

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

 *

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

 *

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

const Tox_Event_Group_Moderation *tox_event_get_group_moderation(const Tox_Event *event)

{

    return event->type == TOX_EVENT_GROUP_MODERATION ? event->data.group_moderation : nullptr;

}

Tox_Event_Group_Moderation *tox_event_group_moderation_new(const Memory *mem)

{

    Tox_Event_Group_Moderation *const group_moderation =

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

    if (group_moderation == nullptr) {

        return nullptr;

    }

    tox_event_group_moderation_construct(group_moderation);

    return group_moderation;

}

void tox_event_group_moderation_free(Tox_Event_Group_Moderation *group_moderation, const Memory *mem)

{

    if (group_moderation != nullptr) {

        tox_event_group_moderation_destruct(group_moderation, mem);

    }

    mem_delete(mem, group_moderation);

}

static Tox_Event_Group_Moderation *tox_events_add_group_moderation(Tox_Events *_Nonnull events, const Memory *_Nonnull mem)

{

    Tox_Event_Group_Moderation *const group_moderation = tox_event_group_moderation_new(mem);

    if (group_moderation == nullptr) {

        return nullptr;

    }

    Tox_Event event;

    event.type = TOX_EVENT_GROUP_MODERATION;

    event.data.group_moderation = group_moderation;

    if (!tox_events_add(events, &event)) {

        tox_event_group_moderation_free(group_moderation, mem);

        return nullptr;

    }

    return group_moderation;

}

bool tox_event_group_moderation_unpack(

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

{

    assert(event != nullptr);

    assert(*event == nullptr);

    *event = tox_event_group_moderation_new(mem);

    if (*event == nullptr) {

        return false;

    }

    return tox_event_group_moderation_unpack_into(*event, bu);

}

static Tox_Event_Group_Moderation *tox_event_group_moderation_alloc(void *_Nonnull user_data)

{

    Tox_Events_State *state = tox_events_alloc(user_data);

    assert(state != nullptr);

    if (state->events == nullptr) {

        return nullptr;

    }

    Tox_Event_Group_Moderation *group_moderation = tox_events_add_group_moderation(state->events, state->mem);

    if (group_moderation == nullptr) {

        state->error = TOX_ERR_EVENTS_ITERATE_MALLOC;

        return nullptr;

    }

    return group_moderation;

}

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

 *

 * :: event handler

 *

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

void tox_events_handle_group_moderation(

    Tox *tox, uint32_t group_number, uint32_t source_peer_id, uint32_t target_peer_id, Tox_Group_Mod_Event mod_type,

    void *user_data)

{

    Tox_Event_Group_Moderation *group_moderation = tox_event_group_moderation_alloc(user_data);

    if (group_moderation == nullptr) {

        return;

    }

    tox_event_group_moderation_set_group_number(group_moderation, group_number);

    tox_event_group_moderation_set_source_peer_id(group_moderation, source_peer_id);

    tox_event_group_moderation_set_target_peer_id(group_moderation, target_peer_id);

    tox_event_group_moderation_set_mod_type(group_moderation, mod_type);

}