package service

import (
	"context"
	"encoding/json"
	"fmt"
	v1 "github.com/go-nunu/nunu-layout-advanced/api/v1"
	"github.com/spf13/viper"
)

type CdnService interface {
	GetToken(ctx context.Context) (string, error)
}
func NewCdnService(
    service *Service,
	conf *viper.Viper,
	request RequestService,
) CdnService {
	return &cdnService{
		Service:        service,
		Url:             conf.GetString("flexCdn.Url"),
		AccessKeyID:     conf.GetString("flexCdn.AccessKeyID"),
		AccessKeySecret: conf.GetString("flexCdn.AccessKeySecret"),
		request:         request,
	}
}

type cdnService struct {
	*Service
	Url             string
	AccessKeyID     string
	AccessKeySecret string
	request         RequestService
}

func (s *cdnService) GetToken(ctx context.Context) (string, error) {
	formData := map[string]interface{}{
		"type":        "admin",
		"accessKeyId": s.AccessKeyID,
		"accessKey":   s.AccessKeySecret,
	}
	apiUrl := s.Url + "APIAccessTokenService/getAPIAccessToken"
	resBody, err := s.request.Request(ctx, formData, apiUrl, "\"X-Cloud-Access-Token\"", "")
	if err != nil {
		return "", err
	}

	var res v1.GeneralResponse[v1.FlexCdnTokenResponse]
	if err := json.Unmarshal(resBody, &res); err != nil {
		return "", fmt.Errorf("反序列化响应 JSON 失败 (内容: %s): %w", string(resBody), err)
	}

	if res.Code != 200 {
		return "", fmt.Errorf("API 错误: code %d, msg '%s'", res.Code, res.Message)
	}

	return res.Data.Token, nil
}