package profile

import "encoding/hex"

// Status is the state of a Provider Profile in the registry of profiles of
// DateKeys (spec §71).
type Status int

const (
	// Active: capsules are written and opened with the profile.
	Active Status = iota
	// ReadOnly: no new capsule is written with the profile, because its
	// provider announces its end or is suspected; the capsules that exist
	// still open.
	ReadOnly
	// Compromised: there is proof that the confidentiality of the profile
	// failed. The capsules that exist still open, and the official SDK warns
	// that their content may have been read before their date.
	Compromised
)

func (s Status) String() string {
	switch s {
	case Active:
		return "active"
	case ReadOnly:
		return "read-only"
	case Compromised:
		return "compromised"
	}
	return "unknown"
}

// statuses are the states of the profiles that this release of the module
// pins, by profile_hash: DateKeys does not publish the signed registry of
// §71 yet, so a change of state comes with a new release of the module.
var statuses = map[string]Status{
	QuicknetProfileHash: Active,
}

// StatusOf returns the state of the profile whose profile_hash is hash, and
// whether this release of the module knows it.
func StatusOf(hash [32]byte) (Status, bool) {
	s, ok := statuses[hex.EncodeToString(hash[:])]
	return s, ok
}