package client

import (
	"fmt"
	"io/ioutil"
	"net/http"

	log "github.com/sirupsen/logrus"
)

type Config struct {
	Token string
}

// Authenticate using OAuth2 password credentials
func GetAccessToken(c *Config) (string, error) {

	// // Setup OAuth2 authentication.
	// conf := oauth2.Config{
	// 	ClientID:     c.ClientID,
	// 	ClientSecret: "",
	// 	Endpoint: oauth2.Endpoint{
	// 		TokenURL: "https://" + c.Hostname + "/oidc-token-service/" + c.ClientID + "/token",
	// 	},
	// 	Scopes: []string{"em_api_access"},
	// }
	// log.WithFields(log.Fields{"conf": fmt.Sprintf("%+v", conf)}).Debug()
	// token, err := conf.PasswordCredentialsToken(context.TODO(), c.Username, c.Password)
	// if err != nil {
	// 	log.Error("Error retrieving AccessToken. Check configuration, username and password")
	// 	return "", err
	// }
	// log.WithFields(log.Fields{"token": fmt.Sprintf("%+v", token.AccessToken)}).Debug()
	// return token.AccessToken, nil
	return c.Token, nil
}

func GetOpportunities(c *Config, url string) (string, error) {
	accessToken, err := GetAccessToken(c)

	if err != nil {
		log.Error(err)
		return "", err
	}

	if url == "" {
		url = "https://verint-my.sharepoint.com/personal/peter_morton_verint_com/_api/web/lists/GetByTitle('DFE Focus Opportunities')/items?%24select=Title%2CStatus%2CSolutionConsultantId"
	}

	method := "GET"

	client := &http.Client{}
	req, err := http.NewRequest(method, url, nil)

	if err != nil {
		fmt.Println(err)
		return "", err
	}
	req.Header.Add("Content-Type", "application/json")
	req.Header.Add("Prefer", "apiversion=2.1")
	req.Header.Add("Accept", "application/json;odata=verbose")
	req.Header.Add("Authorization", "Bearer "+accessToken)

	res, err := client.Do(req)
	if err != nil {
		fmt.Println(err)
		return "", err
	}
	defer res.Body.Close()

	body, err := ioutil.ReadAll(res.Body)
	if err != nil {
		fmt.Println(err)
		return "", err
	}
	log.WithFields(log.Fields{"result.body": fmt.Sprintf("%+v", string(body))}).Debug()
	return string(body), nil
}