package tools

import (
	jsoniter "github.com/json-iterator/go"
	"os"
	"os/signal"
	"syscall"
)

func HandleSignals(exitCode int) int {
	s := make(chan os.Signal)
	signal.Notify(s, syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM, syscall.SIGQUIT)
EXIT:
	for {
		switch <-s {
		case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
			exitCode = 0
			break EXIT
		case syscall.SIGHUP:
		default:
			break EXIT
		}
	}
	return exitCode
}

// Struct2Bytes 将结构体转换为字节数组
func Struct2Bytes(v interface{}) ([]byte, error) {
	// 创建一个jsonIter的Encoder
	configCompatibleWithStandardLibrary := jsoniter.ConfigCompatibleWithStandardLibrary
	// 将结构体转换为JSON文本并保持顺序
	bytes_, err := configCompatibleWithStandardLibrary.Marshal(v)
	if err != nil {
		return nil, err
	}
	return bytes_, nil
}

// Bytes2Struct 将字节数组转换为结构体
func Bytes2Struct(data []byte, v interface{}) error {
	// 创建一个jsonIter的Decoder
	configCompatibleWithStandardLibrary := jsoniter.ConfigCompatibleWithStandardLibrary
	// 将JSON字节数组解码为结构体
	err := configCompatibleWithStandardLibrary.Unmarshal(data, v)
	if err != nil {
		return err
	}
	return nil
}