package labplan

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 ConnectionType string

const (
	ConnectionTypeNone    ConnectionType = "None"
	ConnectionTypePrivate ConnectionType = "Private"
	ConnectionTypePublic  ConnectionType = "Public"
)

func PossibleValuesForConnectionType() []string {
	return []string{
		string(ConnectionTypeNone),
		string(ConnectionTypePrivate),
		string(ConnectionTypePublic),
	}
}

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

func parseConnectionType(input string) (*ConnectionType, error) {
	vals := map[string]ConnectionType{
		"none":    ConnectionTypeNone,
		"private": ConnectionTypePrivate,
		"public":  ConnectionTypePublic,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

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

type EnableState string

const (
	EnableStateDisabled EnableState = "Disabled"
	EnableStateEnabled  EnableState = "Enabled"
)

func PossibleValuesForEnableState() []string {
	return []string{
		string(EnableStateDisabled),
		string(EnableStateEnabled),
	}
}

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

func parseEnableState(input string) (*EnableState, error) {
	vals := map[string]EnableState{
		"disabled": EnableStateDisabled,
		"enabled":  EnableStateEnabled,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

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

type ProvisioningState string

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

func PossibleValuesForProvisioningState() []string {
	return []string{
		string(ProvisioningStateCreating),
		string(ProvisioningStateDeleting),
		string(ProvisioningStateFailed),
		string(ProvisioningStateLocked),
		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{
		"creating":  ProvisioningStateCreating,
		"deleting":  ProvisioningStateDeleting,
		"failed":    ProvisioningStateFailed,
		"locked":    ProvisioningStateLocked,
		"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
}

type ShutdownOnIdleMode string

const (
	ShutdownOnIdleModeLowUsage    ShutdownOnIdleMode = "LowUsage"
	ShutdownOnIdleModeNone        ShutdownOnIdleMode = "None"
	ShutdownOnIdleModeUserAbsence ShutdownOnIdleMode = "UserAbsence"
)

func PossibleValuesForShutdownOnIdleMode() []string {
	return []string{
		string(ShutdownOnIdleModeLowUsage),
		string(ShutdownOnIdleModeNone),
		string(ShutdownOnIdleModeUserAbsence),
	}
}

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

func parseShutdownOnIdleMode(input string) (*ShutdownOnIdleMode, error) {
	vals := map[string]ShutdownOnIdleMode{
		"lowusage":    ShutdownOnIdleModeLowUsage,
		"none":        ShutdownOnIdleModeNone,
		"userabsence": ShutdownOnIdleModeUserAbsence,
	}
	if v, ok := vals[strings.ToLower(input)]; ok {
		return &v, nil
	}

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