use actix_web::{HttpResponse, web};
use serde::Deserialize;
use utoipa::IntoParams;

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

#[derive(Debug, Deserialize, IntoParams)]
pub struct QueryParams {
    pub limit: Option<i64>,
    pub offset: Option<i64>,
}

/// List user SSH keys
///
/// Returns all SSH public keys registered by the authenticated user.
/// Keys are sorted by creation date (newest first).
/// Only non-revoked keys are included.
/// Requires authentication.
#[utoipa::path(
    get,
    path = "/api/v1/user/keys/ssh",
    tag = "User",
    operation_id = "userListSshKeys",
    params(QueryParams),
    responses(
        (status = 200, description = "SSH keys listed successfully. Returns array of SSH key objects with fingerprints and metadata.", body = ApiResponse<Vec<UserSshKey>>),
        (status = 401, description = "Authentication required or session expired", body = ApiErrorResponse),
        (status = 500, description = "Internal server error", body = ApiErrorResponse),
    ),
    security(
        ("session_cookie" = [])
    )
)]
pub async fn list_ssh_keys(
    service: web::Data<AppService>,
    session: Session,
    query: web::Query<QueryParams>,
) -> Result<HttpResponse, AppError> {
    let keys = service
        .user
        .user_ssh_keys(
            &session,
            query.limit.unwrap_or(50),
            query.offset.unwrap_or(0),
        )
        .await?;
    Ok(HttpResponse::Ok().json(ApiResponse::new(keys)))
}