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use poem::{IntoResponse, Request, Response, Result};

use crate::{
    payload::Payload,
    poem::{FromRequest, RequestBody},
    registry::{MetaSchema, MetaSchemaRef},
};

/// A binary payload.
#[derive(Debug, Clone, Eq, PartialEq)]
pub struct Binary(pub Vec<u8>);

impl<T: Into<Vec<u8>>> From<T> for Binary {
    fn from(value: T) -> Self {
        Self(value.into())
    }
}

#[poem::async_trait]
impl Payload for Binary {
    const CONTENT_TYPE: &'static str = "application/octet-stream";

    fn schema_ref() -> MetaSchemaRef {
        MetaSchemaRef::Inline(MetaSchema::new("binary"))
    }

    async fn from_request(request: &Request, body: &mut RequestBody) -> Result<Self> {
        Ok(Self(<Vec<u8>>::from_request(request, body).await?))
    }
}

impl IntoResponse for Binary {
    fn into_response(self) -> Response {
        Response::builder()
            .content_type(Self::CONTENT_TYPE)
            .body(self.0)
    }
}