package core

import (
	"blazing/common/serialize/bytearray"
	"blazing/common/socket/handler"
	"bytes"
	"fmt"
	"reflect"

	"github.com/lunixbochs/struc"
)

func Pack(header1 handler.TomeeHeader, data any) []byte { //组包
	header := header1
	//t := reflect.TypeOf(data)
	tv := reflect.ValueOf(data)
	var datar []byte

	// 处理指针类型
	if tv.Kind() == reflect.Ptr {
		//tv = t.Elem()   // 获取指针指向的类型
		tv = tv.Elem() // 获取指针指向的值
	}
	//.Println(t.Kind())
	//t1 := tv.Interface()
	//fmt.Println(t1)
	switch tv.Kind() {

	case reflect.Slice:
		datar = data.([]byte)
		//p.Conn.Write(p.pack(cmd, data.([]byte))) //写入数据

	case reflect.Struct:
		var data1 bytes.Buffer
		err := struc.Pack(&data1, data)
		if err != nil {
			fmt.Println(err)
		}

		datar = data1.Bytes()

	default:
		datar = []byte{}
		//	fmt.Println(err, datar)
		//	p.Conn.Write(p.pack(cmd, data))

	}
	header.Len = uint32(len(datar) + 17)

	// if iserror != 0 { //如果存在错误码
	// 	head1.Data = nil
	// }
	//var data1 bytes.Buffer
	//.Pack(&data1, &head1)
	by := bytearray.CreateByteArray()
	by.WriteUInt32(header.Len)
	by.WriteString(header.Version)
	by.WriteUInt32(uint32(header.CMD))
	by.WriteUInt32(header.UserID)
	by.WriteUInt32(header.Result)
	by.Write(datar)

	return by.Bytes()

}