package deletion

import (
	"net/http"

	"github.com/grafana/dskit/middleware"
	"github.com/grafana/dskit/tenant"
)

func TenantMiddleware(limits Limits) middleware.Interface {
	return middleware.Func(func(next http.Handler) http.Handler {
		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
			ctx := r.Context()
			userID, err := tenant.TenantID(ctx)
			if err != nil {
				http.Error(w, err.Error(), http.StatusBadRequest)
				return
			}

			hasDelete, err := validDeletionLimit(limits, userID)
			if err != nil {
				http.Error(w, err.Error(), http.StatusBadRequest)
				return
			}

			if !hasDelete {
				http.Error(w, deletionNotAvailableMsg, http.StatusForbidden)
				return
			}

			next.ServeHTTP(w, r)
		})
	})
}