package telegram

import "errors"

// Sentinel errors returned by the Telegram adapter. Consumers test for them
// with errors.Is; failures that mean "not connected" wrap adapter.ErrNotConnected
// so the shared channel sentinel still matches.
var (
	// ErrMissingToken is returned when no BotToken is configured.
	ErrMissingToken = errors.New("telegram: missing bot token")
	// ErrBadResponse is returned when the Bot API replies with OK=false or an
	// unexpected payload shape.
	ErrBadResponse = errors.New("telegram: bad bot api response")
	// ErrNoChatTarget is returned when an outbound message carries no usable
	// conversation/group identifier.
	ErrNoChatTarget = errors.New("telegram: message has no target chat")
	// ErrNoFilePath is returned when getFile yields no usable file_path (empty
	// or a path shape we refuse to splice into a download URL).
	ErrNoFilePath = errors.New("telegram: file path unavailable")
)