// Package event ...
//
// Description : event ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2023-02-02 15:15
package event

import (
	"encoding/json"
	"git.zhangdeman.cn/zhangdeman/event/abstract"
)

// SendEvent 发送事件
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 15:16 2023/2/2
func SendEvent(dataFlag string, data interface{}, preSendHandler abstract.IPreSendHandler, sendEventHandler abstract.ISendEventHandler) SendResult {
	if nil == preSendHandler {
		preSendHandler = &DefaultPreSendHandler{}
	}

	if nil == sendEventHandler {
		sendEventHandler = &DefaultSendEventHandler{}
	}
	res := SendResult{}

	if res.NoSendDetail, res.IsNeedSend = preSendHandler.NeedSend(); !res.IsNeedSend {
		sendEventHandler.NoSendCallback(data, res)
		return res
	}
	// 通过反射填充数据
	ReflectValueInstance.Do(dataFlag, data, preSendHandler)
	res.Data = data
	var (
		byteData []byte
		err      error
	)

	if byteData, err = json.Marshal(data); nil != err {
		res.IsSuccess = false
		res.FailReason = err.Error()
		sendEventHandler.FailCallback(map[string]interface{}{
			"err":    err.Error(),
			"reason": "data marshal fail",
		}, err)
		return res
	}
	if res.SendResult, err = sendEventHandler.Send(byteData); nil != err {
		sendEventHandler.FailCallback(res.SendResult, err)
		return res
	}
	sendEventHandler.SuccessCallback(res.SendResult)
	return res
}