package clusterextensions

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 AKSIdentityType string

const (
	AKSIdentityTypeSystemAssigned AKSIdentityType = "SystemAssigned"
	AKSIdentityTypeUserAssigned   AKSIdentityType = "UserAssigned"
)

func PossibleValuesForAKSIdentityType() []string {
	return []string{
		string(AKSIdentityTypeSystemAssigned),
		string(AKSIdentityTypeUserAssigned),
	}
}

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

func parseAKSIdentityType(input string) (*AKSIdentityType, error) {
	vals := map[string]AKSIdentityType{
		"systemassigned": AKSIdentityTypeSystemAssigned,
		"userassigned":   AKSIdentityTypeUserAssigned,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

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

type LevelType string

const (
	LevelTypeError       LevelType = "Error"
	LevelTypeInformation LevelType = "Information"
	LevelTypeWarning     LevelType = "Warning"
)

func PossibleValuesForLevelType() []string {
	return []string{
		string(LevelTypeError),
		string(LevelTypeInformation),
		string(LevelTypeWarning),
	}
}

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

func parseLevelType(input string) (*LevelType, error) {
	vals := map[string]LevelType{
		"error":       LevelTypeError,
		"information": LevelTypeInformation,
		"warning":     LevelTypeWarning,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

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

type ProvisioningState string

const (
	ProvisioningStateCanceled  ProvisioningState = "Canceled"
	ProvisioningStateCreating  ProvisioningState = "Creating"
	ProvisioningStateDeleting  ProvisioningState = "Deleting"
	ProvisioningStateFailed    ProvisioningState = "Failed"
	ProvisioningStateSucceeded ProvisioningState = "Succeeded"
	ProvisioningStateUpdating  ProvisioningState = "Updating"
)

func PossibleValuesForProvisioningState() []string {
	return []string{
		string(ProvisioningStateCanceled),
		string(ProvisioningStateCreating),
		string(ProvisioningStateDeleting),
		string(ProvisioningStateFailed),
		string(ProvisioningStateSucceeded),
		string(ProvisioningStateUpdating),
	}
}

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

func parseProvisioningState(input string) (*ProvisioningState, error) {
	vals := map[string]ProvisioningState{
		"canceled":  ProvisioningStateCanceled,
		"creating":  ProvisioningStateCreating,
		"deleting":  ProvisioningStateDeleting,
		"failed":    ProvisioningStateFailed,
		"succeeded": ProvisioningStateSucceeded,
		"updating":  ProvisioningStateUpdating,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

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