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use bitflags::bitflags;
use serde::{
    de::{Deserialize, Deserializer},
    ser::{Serialize, Serializer},
};

bitflags! {
    pub struct Permissions: u64 {
        const CREATE_INVITE = 0x0000_0001;
        const KICK_MEMBERS = 0x0000_0002;
        const BAN_MEMBERS = 0x0000_0004;
        const ADMINISTRATOR = 0x0000_0008;
        const MANAGE_CHANNELS = 0x0000_0010;
        const MANAGE_GUILD = 0x0000_0020;
        const ADD_REACTIONS = 0x0000_0040;
        const VIEW_AUDIT_LOG = 0x0000_0080;
        const PRIORITY_SPEAKER = 0x0000_0100;
        const STREAM = 0x0000_0200;
        const VIEW_CHANNEL = 0x0000_0400;
        const SEND_MESSAGES = 0x0000_0800;
        const SEND_TTS_MESSAGES = 0x0000_1000;
        const MANAGE_MESSAGES = 0x0000_2000;
        const EMBED_LINKS = 0x0000_4000;
        const ATTACH_FILES = 0x0000_8000;
        const READ_MESSAGE_HISTORY = 0x0001_0000;
        const MENTION_EVERYONE = 0x0002_0000;
        const USE_EXTERNAL_EMOJIS = 0x0004_0000;
        const VIEW_GUILD_INSIGHTS = 0x0008_0000;
        const CONNECT = 0x0010_0000;
        const SPEAK = 0x0020_0000;
        const MUTE_MEMBERS = 0x0040_0000;
        const DEAFEN_MEMBERS = 0x0080_0000;
        const MOVE_MEMBERS = 0x0100_0000;
        const USE_VAD = 0x0200_0000;
        const CHANGE_NICKNAME = 0x0400_0000;
        const MANAGE_NICKNAMES = 0x0800_0000;
        const MANAGE_ROLES = 0x1000_0000;
        const MANAGE_WEBHOOKS = 0x2000_0000;
        const MANAGE_EMOJIS = 0x4000_0000;
    }
}

impl<'de> Deserialize<'de> for Permissions {
    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
        Ok(Self::from_bits_truncate(u64::deserialize(deserializer)?))
    }
}

impl Serialize for Permissions {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        serializer.serialize_u64(self.bits())
    }
}