package queues

import (
	"encoding/json"
	"fmt"
	"strings"
)

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See NOTICE.txt in the project root for license information.

type EntityStatus string

const (
	EntityStatusActive          EntityStatus = "Active"
	EntityStatusCreating        EntityStatus = "Creating"
	EntityStatusDeleting        EntityStatus = "Deleting"
	EntityStatusDisabled        EntityStatus = "Disabled"
	EntityStatusReceiveDisabled EntityStatus = "ReceiveDisabled"
	EntityStatusRenaming        EntityStatus = "Renaming"
	EntityStatusRestoring       EntityStatus = "Restoring"
	EntityStatusSendDisabled    EntityStatus = "SendDisabled"
	EntityStatusUnknown         EntityStatus = "Unknown"
)

func PossibleValuesForEntityStatus() []string {
	return []string{
		string(EntityStatusActive),
		string(EntityStatusCreating),
		string(EntityStatusDeleting),
		string(EntityStatusDisabled),
		string(EntityStatusReceiveDisabled),
		string(EntityStatusRenaming),
		string(EntityStatusRestoring),
		string(EntityStatusSendDisabled),
		string(EntityStatusUnknown),
	}
}

func (s *EntityStatus) UnmarshalJSON(bytes []byte) error {
	var decoded string
	if err := json.Unmarshal(bytes, &decoded); err != nil {
		return fmt.Errorf("unmarshaling: %+v", err)
	}
	out, err := parseEntityStatus(decoded)
	if err != nil {
		return fmt.Errorf("parsing %q: %+v", decoded, err)
	}
	*s = *out
	return nil
}

func parseEntityStatus(input string) (*EntityStatus, error) {
	vals := map[string]EntityStatus{
		"active":          EntityStatusActive,
		"creating":        EntityStatusCreating,
		"deleting":        EntityStatusDeleting,
		"disabled":        EntityStatusDisabled,
		"receivedisabled": EntityStatusReceiveDisabled,
		"renaming":        EntityStatusRenaming,
		"restoring":       EntityStatusRestoring,
		"senddisabled":    EntityStatusSendDisabled,
		"unknown":         EntityStatusUnknown,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

	// otherwise presume it's an undefined value and best-effort it
	out := EntityStatus(input)
	return &out, nil
}
