type Account struct {
	Name string

	// parser type, inherited from account name if unset
	Type string

	// folder path from root, inherited from account name if unset
	Path string

	// default user, inherited from config.Pfin.User if unset
	DefaultUser string `toml:"user"`

	// map of users to card identifier
	Users map[string][]string

	// generated
	Cards map[string]string
}

type Config struct {
	Pfin struct {
		User string
		Root string
	}

	// the map is nice in the toml config, but not that nice for usability
	Account  map[string]Account
	Accounts []string
}

type ErrUnregisteredParser struct {
	// contains filtered or unexported fields
}

type Parser interface {
	Filetype() string
	Parse(acc Account, filename string, data []byte) ([]Transaction, error)
}

type Transaction interface {
	Date() time.Time
	Amount() float64 // positive for debit, negative for credit
	Name() string

	Category() string

	Card() string // may be empty
	User() string
	Account() string

	// should be util.FormatTx
	String() string
}