package app

import (
	"encoding/json"
	"strconv"
	"strings"
)

func normalizeSingBoxProfileMode(mode SingBoxProfileMode) (SingBoxProfileMode, bool) {
	switch strings.ToLower(strings.TrimSpace(string(mode))) {
	case "typed":
		return SingBoxProfileModeTyped, true
	case "raw":
		return SingBoxProfileModeRaw, true
	default:
		return "", false
	}
}

func normalizeSingBoxProtocol(v string) string {
	return strings.ToLower(strings.TrimSpace(v))
}

func normalizeSingBoxSchemaVersion(v int) int {
	if v <= 0 {
		return 1
	}
	return v
}

func parseOptionalInt64(v string) (int64, error) {
	s := strings.TrimSpace(v)
	if s == "" {
		return 0, nil
	}
	return strconv.ParseInt(s, 10, 64)
}

func cloneMapDeep(in map[string]any) map[string]any {
	if in == nil {
		return nil
	}
	b, err := json.Marshal(in)
	if err != nil {
		return cloneMap(in)
	}
	out := map[string]any{}
	if err := json.Unmarshal(b, &out); err != nil {
		return cloneMap(in)
	}
	return out
}