package output

type Image struct {
	Data        []byte
	ContentType string
	Filename    string
}

// Ref identifies a post an output has already published so it can later be
// replied to or deleted. The fields are output specific; only the ones the
// publishing output filled in are meaningful to it.
type Ref struct {
	ID      string `json:"id,omitempty"`  // twitter: tweet ID
	URI     string `json:"uri,omitempty"` // bluesky: at:// URI of the record
	CID     string `json:"cid,omitempty"` // bluesky: record CID
	RootURI string `json:"rooturi,omitempty"`
	RootCID string `json:"rootcid,omitempty"`
}

// IsZero reports whether the ref points at nothing.
func (r Ref) IsZero() bool {
	return r == Ref{}
}

// Post is a single message to distribute.
type Post struct {
	Text   string
	Images []Image
	// ReplyTo is the Ref this same output returned for the post being
	// replied to, or nil for a top level post.
	ReplyTo *Ref
}

type OutputInterface interface {
	Write(Post) (Ref, error)
	Delete(Ref) error
	GetName() string
}