use axum::Json;
use axum::extract::{Path, State};
use jwt::extractor::AuthOptional;
use uuid::Uuid;

use crate::error::{UserError, UserResult};
use crate::features::UserService;

use crate::features::profile::UserPublic;

#[utoipa::path(
    get,
    path = "/user/users/{uid}",
    tag = "user",
    params(
        ("uid" = Uuid, Path, description = "User identifier."),
    ),
    responses(
        (status = 200, description = "Public view of the user (visibility-filtered).", body = UserPublic),
        (status = 404, description = "User not found."),
    ),
)]
pub(crate) async fn handler(
    State(svc): State<UserService>,
    AuthOptional(opt): AuthOptional,
    Path(uid): Path<Uuid>,
) -> UserResult<Json<UserPublic>> {
    let viewer = opt.map(|u| u.claims.sub);
    let public = svc
        .get_user_public(uid, viewer)
        .await
        .map_err(|e| match e {
            UserError::NotFound(_) => UserError::NotFound(format!("user {uid}")),
            other => other,
        })?;
    Ok(Json(public))
}