// Copyright (c) Mainflux
// SPDX-License-Identifier: Apache-2.0

package groups

import "github.com/mainflux/mainflux/internal/apiutil"

// Status represents Group status.
type Status uint8

// Possible Group status values.
const (
	// EnabledStatus represents enabled Group.
	EnabledStatus Status = iota
	// DisabledStatus represents disabled Group.
	DisabledStatus

	// AllStatus is used for querying purposes to list groups irrespective
	// of their status - both active and inactive. It is never stored in the
	// database as the actual Group status and should always be the largest
	// value in this enumeration.
	AllStatus
)

// String representation of the possible status values.
const (
	Disabled = "disabled"
	Enabled  = "enabled"
	All      = "all"
	Unknown  = "unknown"
)

// String converts group status to string literal.
func (s Status) String() string {
	switch s {
	case DisabledStatus:
		return Disabled
	case EnabledStatus:
		return Enabled
	case AllStatus:
		return All
	default:
		return Unknown
	}
}

// ToStatus converts string value to a valid Group status.
func ToStatus(status string) (Status, error) {
	switch status {
	case Disabled:
		return DisabledStatus, nil
	case Enabled:
		return EnabledStatus, nil
	case All:
		return AllStatus, nil
	}
	return Status(0), apiutil.ErrInvalidStatus
}