use actix_web::{HttpResponse, web};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::service::AppService;
use crate::service::auth::me::ContextMe;
use crate::session::Session;

#[utoipa::path(
    get,
    path = "/api/v1/auth/me",
    tag = "Auth",
    operation_id = "authGetCurrentUser",
    summary = "Get current signed-in user context",
    description = "Return the current user's basic profile, preferred language, timezone, and notification summary using the user_uid bound to the session. This endpoint is typically used to restore the login state when the frontend app starts.",
    responses(
        (status = 200, description = "The current session is authenticated. Returns the user context.", body = ApiResponse<ContextMe>),
        (status = 401, description = "The current session is unauthenticated or the login state has expired.", body = ApiErrorResponse),
        (status = 404, description = "The user in the session no longer exists, has been disabled, or has been deleted.", body = ApiErrorResponse),
        (status = 500, description = "Database read failed.", body = ApiErrorResponse)
    )
)]
pub async fn handle(
    service: web::Data<AppService>,
    session: Session,
) -> Result<HttpResponse, AppError> {
    let data = service.auth.auth_me(session).await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(data)))
}