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use crate::{
    client::Client,
    error::Error,
    request::{Request, TryIntoRequest},
    response::{marker::EmptyBody, Response, ResponseFuture},
    routing::Route,
};
use std::future::IntoFuture;
use twilight_model::id::{marker::ApplicationMarker, Id};

/// Delete a followup message to an interaction, by its token and message ID.
///
/// This endpoint is not bound to the application's global rate limit.
///
/// # Examples
///
/// ```no_run
/// # #[tokio::main]
/// # async fn main() -> Result<(), Box<dyn std::error::Error>> {
/// use std::env;
/// use twilight_http::{request::AuditLogReason, Client};
/// use twilight_model::id::Id;
///
/// let client = Client::new(env::var("DISCORD_TOKEN")?);
/// let application_id = Id::new(1);
///
/// client
///     .interaction(application_id)
///     .delete_response("token here")
///     .await?;
/// # Ok(()) }
/// ```
#[must_use = "requests must be configured and executed"]
pub struct DeleteResponse<'a> {
    application_id: Id<ApplicationMarker>,
    http: &'a Client,
    token: &'a str,
}

impl<'a> DeleteResponse<'a> {
    pub(crate) const fn new(
        http: &'a Client,
        application_id: Id<ApplicationMarker>,
        token: &'a str,
    ) -> Self {
        Self {
            application_id,
            http,
            token,
        }
    }

    /// Execute the request, returning a future resolving to a [`Response`].
    #[deprecated(since = "0.14.0", note = "use `.await` or `into_future` instead")]
    pub fn exec(self) -> ResponseFuture<EmptyBody> {
        self.into_future()
    }
}

impl IntoFuture for DeleteResponse<'_> {
    type Output = Result<Response<EmptyBody>, Error>;

    type IntoFuture = ResponseFuture<EmptyBody>;

    fn into_future(self) -> Self::IntoFuture {
        let http = self.http;

        match self.try_into_request() {
            Ok(request) => http.request(request),
            Err(source) => ResponseFuture::error(source),
        }
    }
}

impl TryIntoRequest for DeleteResponse<'_> {
    fn try_into_request(self) -> Result<Request, Error> {
        Ok(Request::builder(&Route::DeleteInteractionOriginal {
            application_id: self.application_id.get(),
            interaction_token: self.token,
        })
        .use_authorization_token(false)
        .build())
    }
}

#[cfg(test)]
mod tests {
    use crate::{client::Client, request::TryIntoRequest};
    use std::error::Error;
    use twilight_http_ratelimiting::Path;
    use twilight_model::id::Id;

    #[test]
    fn delete_followup_message() -> Result<(), Box<dyn Error>> {
        let application_id = Id::new(1);
        let token = "foo".to_owned();

        let client = Client::new(String::new());
        let req = client
            .interaction(application_id)
            .delete_response(&token)
            .try_into_request()?;

        assert!(!req.use_authorization_token());
        assert_eq!(
            &Path::WebhooksIdTokenMessagesId(application_id.get(), token),
            req.ratelimit_path()
        );

        Ok(())
    }
}