package vulnerabilities

import (
	"context"
	"path/filepath"
	"strings"
	"testing"

	"github.com/fleetdm/fleet/v4/pkg/fleethttp"
	"github.com/fleetdm/fleet/v4/pkg/nettest"
	"github.com/fleetdm/fleet/v4/server/fleet"
	"github.com/fleetdm/fleet/v4/server/mock"
	"github.com/go-kit/kit/log"
	"github.com/stretchr/testify/require"
	"github.com/tj/assert"
)

func TestDownloadEPSSFeed(t *testing.T) {
	nettest.Run(t)

	client := fleethttp.NewClient()

	tempDir := t.TempDir()

	err := DownloadEPSSFeed(tempDir, client)
	require.NoError(t, err)

	assert.FileExists(t, filepath.Join(tempDir, strings.TrimSuffix(epssFilename, ".gz")))
}

func TestDownloadCISAKnownExploitsFeed(t *testing.T) {
	nettest.Run(t)

	client := fleethttp.NewClient()

	tempDir := t.TempDir()

	err := DownloadCISAKnownExploitsFeed(tempDir, client)
	require.NoError(t, err)

	assert.FileExists(t, filepath.Join(tempDir, cisaKnownExploitsFilename))
}

func TestLoadCVEMeta(t *testing.T) {
	ds := new(mock.Store)

	var cveMeta []fleet.CVEMeta
	ds.InsertCVEMetaFunc = func(ctx context.Context, x []fleet.CVEMeta) error {
		cveMeta = x
		return nil
	}

	logger := log.NewNopLogger()
	err := LoadCVEMeta(logger, "testdata", ds)
	require.NoError(t, err)
	require.True(t, ds.InsertCVEMetaFuncInvoked)

	// check some cves to make sure they got loaded correctly
	metaMap := make(map[string]fleet.CVEMeta)
	for _, meta := range cveMeta {
		metaMap[meta.CVE] = meta
	}

	meta := metaMap["CVE-2022-29676"]
	require.Equal(t, float64(7.2), *meta.CVSSScore)
	require.Equal(t, float64(0.00885), *meta.EPSSProbability)
	require.Equal(t, false, *meta.CISAKnownExploit)

	meta = metaMap["CVE-2022-22587"]
	require.Equal(t, (*float64)(nil), meta.CVSSScore)
	require.Equal(t, float64(0.01843), *meta.EPSSProbability)
	require.Equal(t, true, *meta.CISAKnownExploit)
}