package main

import (
	"fmt"

	"github.com/cloudflare/cfssl/log"
	restful "github.com/emicklei/go-restful"
)

var clusterCAs = newClusterSecretKV[CA]("CAs")

func wsClusterCAs(req *restful.Request, resp *restful.Response) {
	clusterName := req.PathParameter("cluster-name")
	clusterCAs.WsList(resp, clusterName+"/")
}

func wsClusterCA(req *restful.Request, resp *restful.Response) {
	clusterName := req.PathParameter("cluster-name")
	name := req.PathParameter("ca-name")

	clusterCAs.WsGet(resp, clusterName+"/"+name)
}

func getUsableClusterCA(cluster, name string) (ca CA, err error) {
	defer func() {
		if err != nil {
			err = fmt.Errorf("cluster %s CA %s: %w", cluster, name, err)
		}
	}()

	key := cluster + "/" + name

	ca, found, err := clusterCAs.Get(key)
	if err != nil {
		return
	}

	if !found {
		log.Info("new CA in cluster ", cluster, ": ", name)

		err = ca.Init()
		if err != nil {
			return
		}

		err = clusterCAs.Put(key, ca)
		if err != nil {
			return
		}

		return
	}

	checkErr := checkCertUsable(ca.Cert)
	if checkErr != nil {
		log.Infof("cluster %s: CA %s: regenerating certificate: %v", cluster, name, checkErr)

		err = ca.RenewCert()
		if err != nil {
			err = fmt.Errorf("renew: %w", err)
		}

		err = clusterCAs.Put(key, ca)
	}

	return
}

var clusterCASignedKeys = newClusterSecretKV[KeyCert]("CA-signed-keys")

func wsClusterCASignedKeys(req *restful.Request, resp *restful.Response) {
	clusterName := req.PathParameter("cluster-name")
	caName := req.PathParameter("ca-name")
	clusterCASignedKeys.WsList(resp, clusterName+"/"+caName+"/")
}

func wsClusterCASignedKey(req *restful.Request, resp *restful.Response) {
	clusterName := req.PathParameter("cluster-name")
	caName := req.PathParameter("ca-name")
	name := req.PathParameter("signed-name")

	clusterCASignedKeys.WsGet(resp, clusterName+"/"+caName+"/"+name)
}