package master

import (
	"analysis/app"
	"analysis/logo"
	"plugin"

	"basic.com/libgowrapper/sdkstruct.git"
)

// Fetcher db
type Fetcher struct {
	fnInitDBAPI func(string, int, int, int, func(...interface{}))
	fnSDKInfo   func() []sdkstruct.SDKInfo
}

// NewFetcher new
func NewFetcher(soFile string) *Fetcher {

	plug, err := plugin.Open(soFile)
	if err != nil {
		logo.Errorln("Open: ", soFile, " error: ", err)
		return nil
	}

	fn, err := app.LoadFunc(plug, soFile, "InitDBAPI")
	if err != nil {
		logo.Infoln("Lookup Func InitDBAPI From File: ", soFile, " Error")
		return nil
	}
	fnInit := fn.(func(string, int, int, int, func(...interface{})))

	fn, err = app.LoadFunc(plug, soFile, "SDKInfo")
	if err != nil {
		logo.Infoln("Lookup Func SDKInfo From File: ", soFile, " Error")
		return nil
	}

	fnSDKInfo := fn.(func() []sdkstruct.SDKInfo)

	return &Fetcher{
		fnInitDBAPI: fnInit,
		fnSDKInfo:   fnSDKInfo,
	}
}