package acme

import (
	"crypto/ecdsa"
	"crypto/elliptic"
	"crypto/rand"
	"fmt"
	"github.com/go-acme/lego/v4/certcrypto"
	"github.com/go-acme/lego/v4/certificate"
	"github.com/go-acme/lego/v4/lego"
	"github.com/go-acme/lego/v4/providers/dns/alidns"
	"github.com/go-acme/lego/v4/registration"
)

func Apply() {

	privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	if err != nil {
		panic(err)
	}
	user := User{
		Email: "123@qq.com",
		Key:   privateKey,
	}

	config := lego.NewConfig(&user)
	config.CADirURL = lego.LEDirectoryProduction
	config.Certificate.KeyType = certcrypto.RSA2048
	client, err := lego.NewClient(config)
	if err != nil {
		panic(err)
	}
	conf := alidns.NewDefaultConfig()
	conf.APIKey = "123"
	conf.SecretKey = "123"

	provider, err := alidns.NewDNSProviderConfig(conf)
	_ = client.Challenge.SetDNS01Provider(provider)

	reg, _ := client.Registration.Register(registration.RegisterOptions{TermsOfServiceAgreed: true})
	user.Registration = reg

	request := certificate.ObtainRequest{
		Domains: []string{"a.com", "b.com"},
	}

	resource, _ := client.Certificate.Obtain(request)
	fmt.Println(resource)
}

func ReNew() {
	privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
	if err != nil {
		panic(err)
	}
	user := User{
		Email: "123@qq.com",
		Key:   privateKey,
	}

	config := lego.NewConfig(&user)
	config.CADirURL = lego.LEDirectoryProduction
	config.Certificate.KeyType = certcrypto.RSA2048

	resource := certificate.Resource{}
	client, _ := lego.NewClient(config)
	newResource, _ := client.Certificate.RenewWithOptions(resource, &certificate.RenewOptions{})
	fmt.Println(newResource)
}