package dps

import (
	"errors"
	"git.sxidc.com/service-supports/dps-sdk/dpsv1"
	"git.sxidc.com/service-supports/dps-sdk/ports"
	"sync"
)

var clientMapMutex sync.Mutex
var clientMap map[string]ports.Client

func NewClient(address string, version string) (ports.Client, error) {
	clientMapMutex.Lock()
	defer clientMapMutex.Unlock()

	if clientMap == nil {
		clientMap = make(map[string]ports.Client)
	}

	client, ok := clientMap[version]
	if ok {
		return client, nil
	}

	switch version {
	case "v1":
		innerClient, err := dpsv1.NewClient(address)
		if err != nil {
			return nil, err
		}

		client = innerClient
	default:
		return nil, errors.New("不支持的版本")
	}

	clientMap[version] = client

	return client, nil
}

func DestroyClient(version string) error {
	clientMapMutex.Lock()
	defer clientMapMutex.Unlock()

	client, ok := clientMap[version]
	if !ok {
		return nil
	}

	switch version {
	case "v1":
		err := dpsv1.DestroyClient(client.(*dpsv1.Client))
		if err != nil {
			return err
		}
	default:
		break
	}

	delete(clientMap, version)

	return nil
}