package mail

import (
	"errors"

	"github.com/carlosframework/platform/internal/release"
)

// ConsoleMailApp is the referrer the console's own sending domain hangs off
// in the ops account (internal/console/consolemail.go). It is not a real app:
// the console claims the domain under this name so that no app's estate
// owns it. The console refuses to create or rename an app onto it, and the
// release walks here refuse to tear its domain down, so an app that reaches
// the name some other way still cannot take the console's identity with it.
const ConsoleMailApp = "console-mail"

// ErrConsoleMailReserved is RemoveDomain's refusal of the console's own
// sending domain: the ops account's ConsoleMailApp referrer, or a claim that
// referrer made.
var ErrConsoleMailReserved = errors.New("mail: the console's own sending domain cannot be removed")

// isConsoleMail reports whether acct/app is the console's own referrer.
func isConsoleMail(acct, app string) bool {
	return acct == release.OpsAccount && app == ConsoleMailApp
}