// Code generated by go-enum DO NOT EDIT.
// Version:
// Revision:
// Build Date:
// Built By:

package plugin

import (
	"database/sql/driver"
	"encoding/json"
	"errors"
	"fmt"
	"io"
	"strings"
)

const (
	ActivationEnabled  Activation = "enabled"
	ActivationDisabled Activation = "disabled"
	ActivationAuto     Activation = "auto"
	ActivationAlways   Activation = "always"
)

var ErrInvalidActivation = fmt.Errorf("not a valid Activation, try [%s]", strings.Join(_ActivationNames, ", "))

var _ActivationNames = []string{
	string(ActivationEnabled),
	string(ActivationDisabled),
	string(ActivationAuto),
	string(ActivationAlways),
}

// ActivationNames returns a list of possible string values of Activation.
func ActivationNames() []string {
	tmp := make([]string, len(_ActivationNames))
	copy(tmp, _ActivationNames)
	return tmp
}

// ActivationValues returns a list of the values for Activation
func ActivationValues() []Activation {
	return []Activation{
		ActivationEnabled,
		ActivationDisabled,
		ActivationAuto,
		ActivationAlways,
	}
}

// String implements the Stringer interface.
func (x Activation) String() string {
	return string(x)
}

// IsValid provides a quick way to determine if the typed value is
// part of the allowed enumerated values
func (x Activation) IsValid() bool {
	_, err := ParseActivation(string(x))
	return err == nil
}

var _ActivationValue = map[string]Activation{
	"enabled":  ActivationEnabled,
	"disabled": ActivationDisabled,
	"auto":     ActivationAuto,
	"always":   ActivationAlways,
}

// ParseActivation attempts to convert a string to a Activation.
func ParseActivation(name string) (Activation, error) {
	if x, ok := _ActivationValue[name]; ok {
		return x, nil
	}
	return Activation(""), fmt.Errorf("%s is %w", name, ErrInvalidActivation)
}

// MarshalText implements the text marshaller method.
func (x Activation) MarshalText() ([]byte, error) {
	return []byte(string(x)), nil
}

// UnmarshalText implements the text unmarshaller method.
func (x *Activation) UnmarshalText(text []byte) error {
	tmp, err := ParseActivation(string(text))
	if err != nil {
		return err
	}
	*x = tmp
	return nil
}

var errActivationNilPtr = errors.New("value pointer is nil") // one per type for package clashes

// Scan implements the Scanner interface.
func (x *Activation) Scan(value interface{}) (err error) {
	if value == nil {
		*x = Activation("")
		return
	}

	// A wider range of scannable types.
	// driver.Value values at the top of the list for expediency
	switch v := value.(type) {
	case string:
		*x, err = ParseActivation(v)
	case []byte:
		*x, err = ParseActivation(string(v))
	case Activation:
		*x = v
	case *Activation:
		if v == nil {
			return errActivationNilPtr
		}
		*x = *v
	case *string:
		if v == nil {
			return errActivationNilPtr
		}
		*x, err = ParseActivation(*v)
	default:
		return errors.New("invalid type for Activation")
	}

	return
}

// Value implements the driver Valuer interface.
func (x Activation) Value() (driver.Value, error) {
	return x.String(), nil
}

type NullActivation struct {
	Activation Activation
	Valid      bool
	Set        bool
}

func NewNullActivation(val interface{}) (x NullActivation) {
	err := x.Scan(val) // yes, we ignore this error, it will just be an invalid value.
	_ = err            // make any errcheck linters happy
	return
}

// Scan implements the Scanner interface.
func (x *NullActivation) Scan(value interface{}) (err error) {
	if value == nil {
		x.Activation, x.Valid = Activation(""), false
		return
	}

	err = x.Activation.Scan(value)
	x.Valid = (err == nil)
	return
}

// Value implements the driver Valuer interface.
func (x NullActivation) Value() (driver.Value, error) {
	if !x.Valid {
		return nil, nil
	}
	return x.Activation.String(), nil
}

// MarshalJSON correctly serializes a NullActivation to JSON.
func (n NullActivation) MarshalJSON() ([]byte, error) {
	const nullStr = "null"
	if n.Valid {
		return json.Marshal(n.Activation)
	}
	return []byte(nullStr), nil
}

// UnmarshalJSON correctly deserializes a NullActivation from JSON.
func (n *NullActivation) UnmarshalJSON(b []byte) error {
	n.Set = true
	var x interface{}
	err := json.Unmarshal(b, &x)
	if err != nil {
		return err
	}
	err = n.Scan(x)
	return err
}

// MarshalGQL correctly serializes a NullActivation to GraphQL.
func (n NullActivation) MarshalGQL(w io.Writer) {
	bytes, err := json.Marshal(n)
	if err == nil {
		_, _ = w.Write(bytes)
	}
}

// UnmarshalGQL correctly deserializes a NullActivation from GraphQL.
func (n *NullActivation) UnmarshalGQL(v any) error {
	if v == nil {
		return nil
	}
	str, ok := v.(string)
	if !ok {
		return errors.New("value is not a string")
	}
	if str == "null" {
		return nil
	}
	return n.UnmarshalJSON([]byte("\"" + str + "\""))
}