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use crate::{
    client::Client,
    request::Request,
    response::{marker::EmptyBody, ResponseFuture},
    routing::Route,
};
use serde::Serialize;
use twilight_model::id::GuildId;

#[derive(Serialize)]
struct UpdateCurrentUserNickFields<'a> {
    nick: &'a str,
}

/// Changes the user's nickname in a guild.
pub struct UpdateCurrentUserNick<'a> {
    fields: UpdateCurrentUserNickFields<'a>,
    guild_id: GuildId,
    http: &'a Client,
}

impl<'a> UpdateCurrentUserNick<'a> {
    pub(crate) const fn new(http: &'a Client, guild_id: GuildId, nick: &'a str) -> Self {
        Self {
            fields: UpdateCurrentUserNickFields { nick },
            guild_id,
            http,
        }
    }

    /// Execute the request, returning a future resolving to a [`Response`].
    ///
    /// [`Response`]: crate::response::Response
    pub fn exec(self) -> ResponseFuture<EmptyBody> {
        let mut request = Request::builder(&Route::UpdateNickname {
            guild_id: self.guild_id.0,
        });

        request = match request.json(&self.fields) {
            Ok(request) => request,
            Err(source) => return ResponseFuture::error(source),
        };

        self.http.request(request.build())
    }
}