use axum::extract::{Extension, FromRef, State};
use axum::Json;
use erp_core::error::AppError;
use erp_core::rbac::require_permission;
use erp_core::types::{ApiResponse, TenantContext};

use crate::dto::dialysis_stats_dto::DialysisStatisticsResp;
use crate::service::dialysis_stats_service;
use crate::state::DialysisState;

pub async fn get_dialysis_stats<S>(
    State(state): State<S>,
    Extension(ctx): Extension<TenantContext>,
) -> Result<Json<ApiResponse<DialysisStatisticsResp>>, AppError>
where
    DialysisState: FromRef<S>,
    S: Clone + Send + Sync + 'static,
{
    require_permission(&ctx, "health.dialysis.list")?;
    let dialysis_state = DialysisState::from_ref(&state);
    let stats = dialysis_stats_service::get_dialysis_statistics(&dialysis_state, ctx.tenant_id).await?;
    Ok(Json(ApiResponse::ok(stats)))
}