package webrtc

// ICECredentialType indicates the type of credentials used to connect to
// an ICE server.
type ICECredentialType int

const (
	// ICECredentialTypePassword describes username and pasword based
	// credentials as described in https://tools.ietf.org/html/rfc5389.
	ICECredentialTypePassword ICECredentialType = iota

	// ICECredentialTypeOauth describes token based credential as described
	// in https://tools.ietf.org/html/rfc7635.
	ICECredentialTypeOauth
)

// This is done this way because of a linter.
const (
	iceCredentialTypePasswordStr = "password"
	iceCredentialTypeOauthStr    = "oauth"
)

func newICECredentialType(raw string) ICECredentialType {
	switch raw {
	case iceCredentialTypePasswordStr:
		return ICECredentialTypePassword
	case iceCredentialTypeOauthStr:
		return ICECredentialTypeOauth
	default:
		return ICECredentialType(Unknown)
	}
}

func (t ICECredentialType) String() string {
	switch t {
	case ICECredentialTypePassword:
		return iceCredentialTypePasswordStr
	case ICECredentialTypeOauth:
		return iceCredentialTypeOauthStr
	default:
		return ErrUnknownType.Error()
	}
}