package util

import (
	"fmt"
	"github.com/davidebianchi/go-jsonclient"
	"net/http"
	"net/url"
)

type openIdUserInfoResp struct {
	Name              string `json:"name"`
	GivenName         string `json:"given_name"`
	FamilyName        string `json:"family_name"`
	PreferredUsername string `json:"preferred_username"`
	Email             string `json:"email"`
	Picture           string `json:"picture"`
}

func OpenIdUserInfo(openIdUserInfoURL, accessToken string) (map[string]any, error) {
	u, err := url.Parse(openIdUserInfoURL)
	if err != nil {
		logger.Errorf(`failed to parse openIdUserInfoURL. error: %s`, err.Error())
		return nil, err
	}

	client, err := jsonclient.New(jsonclient.Options{
		BaseURL: fmt.Sprintf(`%s://%s/`, u.Scheme, u.Host),
		Headers: map[string]string{
			`Authorization`: fmt.Sprintf(`Bearer %s`, accessToken),
		},
	})
	if err != nil {
		logger.Errorf(`failed to create user_info client. error: %s`, err.Error())
		return nil, err
	}

	req, err := client.NewRequest(http.MethodGet, u.Path, nil)
	if err != nil {
		logger.Errorf(`failed to create user_info request. error: %s`, err.Error())
		return nil, err
	}

	uiResp := new(openIdUserInfoResp)

	resp, err := client.Do(req, uiResp)
	if err != nil {
		logger.Errorf(`failed to request user_info. error: %s`, err.Error())
		return nil, err
	}

	if resp.StatusCode >= 300 {
		logger.Errorf(`user_info request return wrong code. code: %d, err_msg: %s`, resp.StatusCode, resp.Status)
		return nil, err
	}

	return map[string]any{
		`userId`:   uiResp.PreferredUsername,
		`userName`: uiResp.Name,
		`avatar`:   uiResp.Picture,
	}, nil
}