package google

import (
	"fmt"
	"testing"

	"github.com/nsheridan/cashier/server/auth"
	"github.com/nsheridan/cashier/server/config"
	"github.com/stretchr/testify/assert"
)

var (
	oauthClientID     = "id"
	oauthClientSecret = "secret"
	oauthCallbackURL  = "url"
	domain            = "example.com"
)

func TestNew(t *testing.T) {
	a := assert.New(t)

	p, _ := newGoogle()
	g := p.(*Config)
	a.Equal(g.config.ClientID, oauthClientID)
	a.Equal(g.config.ClientSecret, oauthClientSecret)
	a.Equal(g.config.RedirectURL, oauthCallbackURL)
	a.Equal(g.domain, domain)
}

func TestNewWithoutDomain(t *testing.T) {
	a := assert.New(t)

	domain = ""

	_, err := newGoogle()
	a.EqualError(err, "google_opts domain and the users whitelist must not be both empty")

	domain = "example.com"
}

func TestStartSession(t *testing.T) {
	a := assert.New(t)

	p, err := newGoogle()
	a.NoError(err)
	s := p.StartSession("test_state")
	a.Contains(s.AuthURL, "accounts.google.com/o/oauth2/auth")
	a.Contains(s.AuthURL, "state=test_state")
	a.Contains(s.AuthURL, fmt.Sprintf("hd=%s", domain))
	a.Contains(s.AuthURL, fmt.Sprintf("client_id=%s", oauthClientID))
}

func newGoogle() (auth.Provider, error) {
	c := &config.Auth{
		OauthClientID:     oauthClientID,
		OauthClientSecret: oauthClientSecret,
		OauthCallbackURL:  oauthCallbackURL,
		ProviderOpts:      map[string]string{"domain": domain},
	}
	return New(c)
}