package channels

import "context"

// TypingCapable — channels that can show a typing/thinking indicator.
// StartTyping begins the indicator and returns a stop function.
// The stop function MUST be idempotent and safe to call multiple times.
type TypingCapable interface {
	StartTyping(ctx context.Context, chatID string) (stop func(), err error)
}

// MessageEditor — channels that can edit an existing message.
// messageID is always string; channels convert platform-specific types internally.
type MessageEditor interface {
	EditMessage(ctx context.Context, chatID string, messageID string, content string) error
}

// PlaceholderRecorder is injected into channels by Manager.
// Channels call these methods on inbound to register typing/placeholder state.
// Manager uses the registered state on outbound to stop typing and edit placeholders.
type PlaceholderRecorder interface {
	RecordPlaceholder(channel, chatID, placeholderID string)
	RecordTypingStop(channel, chatID string, stop func())
}