use actix_web::{HttpResponse, web};

use crate::api::response::{ApiErrorResponse, ApiResponse};
use crate::error::AppError;
use crate::models::users::UserNotifySetting;
use crate::service::AppService;
use crate::session::Session;

/// Get user notification settings
///
/// Returns the authenticated user's notification preferences including:
/// - Email notification toggle
/// - Web push notification toggle
/// - Mention notification toggle
/// - Review notification toggle
/// - Security notification toggle
/// - Marketing email toggle
/// - Digest frequency (realtime, daily, weekly, off)
///
/// If no settings exist, defaults are created automatically.
/// Requires authentication.
#[utoipa::path(
    get,
    path = "/api/v1/user/notifications",
    tag = "User",
    operation_id = "userGetNotifications",
    responses(
        (status = 200, description = "Notification settings retrieved successfully. Returns all notification preferences.", body = ApiResponse<UserNotifySetting>),
        (status = 401, description = "Authentication required or session expired", body = ApiErrorResponse),
        (status = 500, description = "Internal server error", body = ApiErrorResponse),
    ),
    security(
        ("session_cookie" = [])
    )
)]
pub async fn get_notifications(
    service: web::Data<AppService>,
    session: Session,
) -> Result<HttpResponse, AppError> {
    let settings = service.user.user_notify_setting(&session).await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(settings)))
}