use axum::http::StatusCode;
use axum::response::IntoResponse;
use axum::routing::get;
use axum::Router;
use maud::html;

struct AppError(anyhow::Error);

impl IntoResponse for AppError {
    fn into_response(self) -> axum::response::Response {
        (
            StatusCode::INTERNAL_SERVER_ERROR,
            format!("Something went wrong: {}", self.0),
        )
            .into_response()
    }
}

impl<E> From<E> for AppError
where
    E: Into<anyhow::Error>,
{
    fn from(err: E) -> Self {
        Self(err.into())
    }
}

#[tokio::main]
async fn main() {
    let app = Router::new().route("/", get(home));
    let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
    axum::serve(listener, app.into_make_service())
        .await
        .unwrap();
}

async fn home() -> Result<impl IntoResponse, AppError> {
    Ok(html!({}))
}