// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later

#pragma once

#include <QDateTime>
#include <QImage>
#include <QString>

#include <string>

#include <mtx/events/join_rules.hpp>
#include <mtx/events/mscs/image_packs.hpp>

namespace cache {
enum class CacheVersion : int
{
    Older   = -1,
    Current = 0,
    Newer   = 1,
};
}

struct RoomMember
{
    QString user_id;
    QString display_name;
    QString avatar_url;
    bool is_direct = false;
};

//! Used to uniquely identify a list of read receipts.
struct ReadReceiptKey
{
    std::string event_id;
    std::string room_id;
};

void
to_json(nlohmann::json &j, const ReadReceiptKey &key);

void
from_json(const nlohmann::json &j, ReadReceiptKey &key);

struct DescInfo
{
    QString event_id;
    QString userid;
    QString body;
    QString descriptiveTime;
    uint64_t timestamp = 0;
    QDateTime datetime;
};

inline bool
operator==(const DescInfo &a, const DescInfo &b)
{
    return std::tie(a.timestamp, a.event_id, a.userid, a.body, a.descriptiveTime) ==
           std::tie(b.timestamp, b.event_id, b.userid, b.body, b.descriptiveTime);
}
inline bool
operator!=(const DescInfo &a, const DescInfo &b)
{
    return std::tie(a.timestamp, a.event_id, a.userid, a.body, a.descriptiveTime) !=
           std::tie(b.timestamp, b.event_id, b.userid, b.body, b.descriptiveTime);
}

//! UI info associated with a room.
struct RoomInfo
{
    //! The calculated name of the room.
    std::string name;
    //! The topic of the room.
    std::string topic;
    //! The calculated avatar url of the room.
    std::string avatar_url;
    //! The calculated version of this room set at creation time.
    std::string version;
    //! Whether or not the room is an invite.
    bool is_invite = false;
    //! Wheter or not the room is a space
    bool is_space = false;
    //! Wheter or not the room has a tombstone event
    bool is_tombstoned = false;
    //! Total number of members in the room.
    size_t member_count = 0;
    //! Who can access to the room.
    mtx::events::state::JoinRule join_rule = mtx::events::state::JoinRule::Public;
    bool guest_access                      = false;
    //! The list of tags associated with this room
    std::vector<std::string> tags;

    //! An approximate timestamp of when the last message was sent in the room.
    //! Use the TimelineModel::lastMessage for an accurate timestamp.
    uint64_t approximate_last_modification_ts = 0;

    uint64_t highlight_count    = 0;
    uint64_t notification_count = 0;
};

void
to_json(nlohmann::json &j, const RoomInfo &info);
void
from_json(const nlohmann::json &j, RoomInfo &info);

//! A plain struct with roomid, name and alias used for filling the room completer.
struct RoomNameAlias
{
    std::string id, name, alias;
    std::uint64_t recent_activity;
    bool is_tombstoned;
};

//! Basic information per member.
struct MemberInfo
{
    std::string name;
    std::string avatar_url;
    std::string inviter = "";
    std::string reason  = "";
    bool is_direct      = false;
};

void
to_json(nlohmann::json &j, const MemberInfo &info);
void
from_json(const nlohmann::json &j, MemberInfo &info);

struct RoomSearchResult
{
    std::string room_id;
    RoomInfo info;
};

struct ImagePackInfo
{
    mtx::events::msc2545::ImagePack pack;
    std::string source_room;
    std::string state_key;
    bool from_space = false;
};