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package spectre

// Spectre is a spectre client
type Spectre struct {
	name   string
	secret string
	scoper Scoper

	key []byte
}

// New returns a Spectre client
func New(name, secret string, opts ...Option) (s *Spectre, err error) {
	s = &Spectre{
		name:   name,
		secret: secret,
		scoper: DefaultScoper,
	}
	for _, opt := range opts {
		opt(s)
	}
	s.key, err = userKey(s.name, s.secret, s.scoper)
	return
}

// Option is a Spectre option
type Option func(*Spectre)

// WithScoper assigns a scoper to Spectre
func WithScoper(scoper Scoper) Option {
	return func(s *Spectre) {
		s.scoper = scoper
	}
}

// Site returns a site password based on Options
func (s *Spectre) Site(siteName string, opts ...SiteOption) string {
	return site(s.key, s.scoper, siteName, opts...)
}

type options struct {
	template Template
	counter  int
	scope    Scope
}

// SiteOption is an option for Spectre.Site
type SiteOption func(*options)

// WithTemplate specifies a Template
func WithTemplate(t Template) SiteOption {
	return func(opts *options) {
		opts.template = t
	}
}

// WithCounter specifies a counter
func WithCounter(c int) SiteOption {
	return func(opts *options) {
		opts.counter = c
	}
}

// WithScope specifies a Scope
func WithScope(s Scope) SiteOption {
	return func(opts *options) {
		opts.scope = s
	}
}