package service

import (
	"git.bvbej.com/bvbej/base-golang/pkg/websocket/util"
	"reflect"
	"strings"
)

type Handler struct {
	Receiver reflect.Value  // 值
	Method   reflect.Method // 方法
	Type     reflect.Type   // 类型
	IsRawArg bool           // 数据是否需要序列化
}

func RegisterHandler(components ...interface{}) map[string]*Handler {
	methods := make(map[string]*Handler)
	for _, component := range components {
		rt := reflect.TypeOf(component)
		rv := reflect.ValueOf(component)

		typeName := reflect.Indirect(rv).Type().Name()
		if typeName == "" {
			continue
		}
		if !util.IsExported(typeName) {
			continue
		}

		for m := 0; m < rt.NumMethod(); m++ {
			method := rt.Method(m)
			mt := method.Type
			mn := method.Name
			if isHandlerMethod(method) {
				raw := false
				if mt.In(2) == typeOfBytes {
					raw = true
				}
				mn = strings.ToLower(mn)
				methods[mn] = &Handler{Method: method, Type: mt.In(2), IsRawArg: raw}
			}
		}
	}

	return methods
}