package example

import (
	"fmt"
	"time"

	"github.com/go-webauthn/webauthn/webauthn"
)

var (
	webAuthn *webauthn.WebAuthn
	err error
)

// Your initialization function
func main() {
	wconfig := &webauthn.Config{
		RPDisplayName: "Go Webauthn", // Display Name for your site
		RPID: "go-webauthn.local", // Generally the FQDN for your site
		RPOrigins: []string{"https://login.go-webauthn.local"}, // The origin URLs allowed for WebAuthn requests
	}
	
	if webAuthn, err = webauthn.New(wconfig); err != nil {
		fmt.Println(err)
	}
}

package example

func BeginRegistration(w http.ResponseWriter, r *http.Request) {
	user := datastore.GetUser() // Find or create the new user  
	options, session, err := webAuthn.BeginRegistration(user)
	// handle errors if present
	// store the sessionData values 
	JSONResponse(w, options, http.StatusOK) // return the options generated
	// options.publicKey contain our registration options
}

func FinishRegistration(w http.ResponseWriter, r *http.Request) {
	user := datastore.GetUser() // Get the user
	
	// Get the session data stored from the function above
	session := datastore.GetSession()
		
	credential, err := webAuthn.FinishRegistration(user, session, r)
	if err != nil {
		// Handle Error and return.

		return
	}
	
	// If creation was successful, store the credential object
	// Pseudocode to add the user credential.
	user.AddCredential(credential)
	datastore.SaveUser(user)

	JSONResponse(w, "Registration Success", http.StatusOK) // Handle next steps
}

package example

func BeginLogin(w http.ResponseWriter, r *http.Request) {
	user := datastore.GetUser() // Find the user
	
	options, session, err := webAuthn.BeginLogin(user)
	if err != nil {
		// Handle Error and return.

		return
	}
	
	// store the session values
	datastore.SaveSession(session)
	
	JSONResponse(w, options, http.StatusOK) // return the options generated
	// options.publicKey contain our registration options
}

func FinishLogin(w http.ResponseWriter, r *http.Request) {
	user := datastore.GetUser() // Get the user 
	
	// Get the session data stored from the function above
	session := datastore.GetSession()
	
	credential, err := webAuthn.FinishLogin(user, session, r)
	if err != nil {
		// Handle Error and return.

		return
	}

	// Handle credential.Authenticator.CloneWarning

	// If login was successful, update the credential object
	// Pseudocode to update the user credential.
	user.UpdateCredential(credential)
	datastore.SaveUser(user)
	
	JSONResponse(w, "Login Success", http.StatusOK)
}

package example

import (
	"github.com/go-webauthn/webauthn/protocol"
	"github.com/go-webauthn/webauthn/webauthn"
)

var webAuthn webauthn.WebAuthn // init this in your init function

func beginRegistration() {
	// Updating the AuthenticatorSelection options. 
	// See the struct declarations for values
	authSelect := protocol.AuthenticatorSelection{
		AuthenticatorAttachment: protocol.AuthenticatorAttachment("platform"),
		RequireResidentKey: protocol.ResidentKeyNotRequired(),
		UserVerification: protocol.VerificationRequired,
	}

	// Updating the ConveyencePreference options. 
	// See the struct declarations for values
	conveyancePref := protocol.PreferNoAttestation

	user := datastore.GetUser() // Get the user  
	opts, session, err := webAuthn.BeginRegistration(user, webauthn.WithAuthenticatorSelection(authSelect), webauthn.WithConveyancePreference(conveyancePref))

	// Handle next steps
}

package example

import (
	"github.com/go-webauthn/webauthn/protocol"
	"github.com/go-webauthn/webauthn/webauthn"
)

var webAuthn webauthn.WebAuthn // init this in your init function

func beginLogin() {
	// Updating the AuthenticatorSelection options. 
	// See the struct declarations for values
	allowList := make([]protocol.CredentialDescriptor, 1)
	allowList[0] = protocol.CredentialDescriptor{
		CredentialID: credentialToAllowID,
		Type: protocol.CredentialType("public-key"),
	}

	user := datastore.GetUser() // Get the user  

	opts, session, err := w.BeginLogin(user, webauthn.WithAllowedCredentials(allowList))

	// Handle next steps
}

package example

import (
	"fmt"
	"time"
	
	"github.com/go-webauthn/webauthn/protocol"
	"github.com/go-webauthn/webauthn/webauthn"
)

func main() {
	wconfig := &webauthn.Config{
		RPDisplayName: "Go Webauthn",                               // Display Name for your site
		RPID:          "go-webauthn.local",                         // Generally the FQDN for your site
		RPOrigins:     []string{"https://login.go-webauthn.local"}, // The origin URLs allowed for WebAuthn requests
		Timeouts: webauthn.TimeoutsConfig{
			Login: webauthn.TimeoutConfig{
				Enforce:    true, // Require the response from the client comes before the end of the timeout.
				Timeout:    time.Second * 60, // Standard timeout for login sessions.
				TimeoutUVD: time.Second * 60, // Timeout for login sessions which have user verification set to discouraged.
			},
			Registration: webauthn.TimeoutConfig{
				Enforce:    true, // Require the response from the client comes before the end of the timeout.
				Timeout:    time.Second * 60, // Standard timeout for registration sessions.
				TimeoutUVD: time.Second * 60, // Timeout for login sessions which have user verification set to discouraged.
			},
		},
	}
	
	webAuthn, err := webauthn.New(wconfig)
	if err != nil {
		fmt.Println(err)
	}
}