package prometheus

import (
	"context"
	"testing"

	"github.com/grafana/grafana-azure-sdk-go/v2/azsettings"
	"github.com/grafana/grafana-plugin-sdk-go/backend"
	sdkhttpclient "github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
	"github.com/grafana/grafana-plugin-sdk-go/backend/log"
	"github.com/stretchr/testify/require"
)

func TestExtendClientOpts(t *testing.T) {
	t.Run("add azure credentials if configured", func(t *testing.T) {
		cfg := backend.NewGrafanaCfg(map[string]string{
			azsettings.AzureCloud:       azsettings.AzurePublic,
			azsettings.AzureAuthEnabled: "true",
		})
		settings := backend.DataSourceInstanceSettings{
			BasicAuthEnabled: false,
			BasicAuthUser:    "",
			JSONData: []byte(`{
				"azureCredentials": {
					"authType": "msi"
				}
			}`),
			DecryptedSecureJSONData: map[string]string{},
		}
		ctx := backend.WithGrafanaConfig(context.Background(), cfg)
		opts := &sdkhttpclient.Options{}
		err := extendClientOpts(ctx, settings, opts, log.NewNullLogger())
		require.NoError(t, err)
		require.Equal(t, 1, len(opts.Middlewares))
	})

	t.Run("add sigV4 auth if opts has SigV4 configured", func(t *testing.T) {
		settings := backend.DataSourceInstanceSettings{
			BasicAuthEnabled:        false,
			BasicAuthUser:           "",
			JSONData:                []byte(""),
			DecryptedSecureJSONData: map[string]string{},
		}
		opts := &sdkhttpclient.Options{
			SigV4: &sdkhttpclient.SigV4Config{
				AuthType:  "test",
				AccessKey: "accesskey",
				SecretKey: "secretkey",
			},
		}
		err := extendClientOpts(context.Background(), settings, opts, log.NewNullLogger())
		require.NoError(t, err)
		require.Equal(t, "aps", opts.SigV4.Service)
	})
}