// Package config ... (linter fix)
//nolint:dupl
package config

import (
	"fmt"
	"sync/atomic"
)

// Expertise Level constants
const (
	ExpertiseLevelUser      uint8 = 0
	ExpertiseLevelExpert    uint8 = 1
	ExpertiseLevelDeveloper uint8 = 2

	ExpertiseLevelNameUser      = "user"
	ExpertiseLevelNameExpert    = "expert"
	ExpertiseLevelNameDeveloper = "developer"

	expertiseLevelKey = "core/expertiseLevel"
)

var (
	expertiseLevel *int32
)

func init() {
	var expertiseLevelVal int32
	expertiseLevel = &expertiseLevelVal

	registerExpertiseLevelOption()
}

func registerExpertiseLevelOption() {
	err := Register(&Option{
		Name:        "Expertise Level",
		Key:         expertiseLevelKey,
		Description: "The Expertise Level controls the perceived complexity. Higher settings will show you more complex settings and information. This might also affect various other things relying on this setting. Modified settings in higher expertise levels stay in effect when switching back. (Unlike the Release Level)",

		OptType:        OptTypeString,
		ExpertiseLevel: ExpertiseLevelUser,
		ReleaseLevel:   ExpertiseLevelUser,

		RequiresRestart: false,
		DefaultValue:    ExpertiseLevelNameUser,

		ExternalOptType: "string list",
		ValidationRegex: fmt.Sprintf("^(%s|%s|%s)$", ExpertiseLevelNameUser, ExpertiseLevelNameExpert, ExpertiseLevelNameDeveloper),
	})
	if err != nil {
		panic(err)
	}
}

func updateExpertiseLevel() {
	new := findStringValue(expertiseLevelKey, "")
	switch new {
	case ExpertiseLevelNameUser:
		atomic.StoreInt32(expertiseLevel, int32(ExpertiseLevelUser))
	case ExpertiseLevelNameExpert:
		atomic.StoreInt32(expertiseLevel, int32(ExpertiseLevelExpert))
	case ExpertiseLevelNameDeveloper:
		atomic.StoreInt32(expertiseLevel, int32(ExpertiseLevelDeveloper))
	default:
		atomic.StoreInt32(expertiseLevel, int32(ExpertiseLevelUser))
	}
}

// GetExpertiseLevel returns the current active expertise level.
func GetExpertiseLevel() uint8 {
	return uint8(atomic.LoadInt32(expertiseLevel))
}