package types

import (
	"encoding/json"
	"fmt"
)

type ANCMode int

const (
	ANCModeUnknown ANCMode = iota
	ANCModeOff
	ANCModeTransparency
	ANCModeAdaptive
	ANCModeOn
)

func (ancMode *ANCMode) Set(value string) (err error) {
	*ancMode, err = ParseANCMode(value)
	return
}

func (ancMode ANCMode) String() string {
	switch ancMode {
	case ANCModeOff:
		return "Off"
	case ANCModeOn:
		return "On"
	case ANCModeTransparency:
		return "Transparency"
	case ANCModeAdaptive:
		return "Adaptive"
	}

	return ""
}

func (ancMode *ANCMode) UnmarshalJSON(data []byte) error {
	var ancModeStr string
	if err := json.Unmarshal(data, &ancModeStr); err != nil {
		return err
	}

	var err error
	*ancMode, err = ParseANCMode(ancModeStr)

	return err
}

func (ancMode ANCMode) GetValue() string {
	switch ancMode {
	case ANCModeOff:
		return "off"
	case ANCModeOn:
		return "anc"
	case ANCModeTransparency:
		return "transparency"
	case ANCModeAdaptive:
		return "adaptive"
	}

	return ""
}

func ParseANCMode(ancModeStr string) (ANCMode, error) {
	switch ancModeStr {
	case "off":
		return ANCModeOff, nil
	case "on":
		return ANCModeOn, nil
	case "anc":
		return ANCModeOn, nil
	case "transparency":
		return ANCModeTransparency, nil
	case "adaptive":
		return ANCModeAdaptive, nil
	}

	return ANCModeUnknown, fmt.Errorf("Faild to parse ANC-Mode: %s", ancModeStr)
}