//! Convert `MizanError` into axum's `Response`. Mirrors mizan-fastapi's
//! envelope: `{"error": {"code": "...", "message": "...", "details": ...}}`
//! with a Cache-Control: no-store header.

use axum::http::{header, HeaderValue, StatusCode};
use axum::response::{IntoResponse, Response};
use axum::Json;
use mizan_core::MizanError;

pub struct ApiError(pub MizanError);

impl From<MizanError> for ApiError {
    fn from(e: MizanError) -> Self {
        Self(e)
    }
}

impl IntoResponse for ApiError {
    fn into_response(self) -> Response {
        let status = StatusCode::from_u16(self.0.http_status())
            .unwrap_or(StatusCode::INTERNAL_SERVER_ERROR);
        let mut resp = (status, Json(self.0.to_json())).into_response();
        resp.headers_mut()
            .insert(header::CACHE_CONTROL, HeaderValue::from_static("no-store"));
        resp
    }
}