package service

import (
	"bytes"
	"context"
	"fmt"
	"io"
	"net/http"
	"net/http/httptest"
	"os"
	"testing"

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

func TestServeFrontend(t *testing.T) {
	if !hasBuildTag("full") {
		t.Skip("This test requires running with -tags full")
	}
	logger := log.NewLogfmtLogger(os.Stdout)
	h := ServeFrontend("", false, logger)
	ts := httptest.NewServer(h)
	t.Cleanup(func() {
		ts.Close()
	})

	// Simulate a misconfigured osquery sending log requests to the root endpoint.
	requestBody := []byte(`
	{"data":[{"snapshot":[{"build_distro":"10.14","build_platform":"darwin","config_hash":"d8d220440ebea888f8704c4a0a5c1ced4ab601b5",
	"config_valid":"1","extensions":"active","instance_id":"522e6020-37de-460b-bb01-b76c77298f75","pid":"57456","platform_mask":"21",
	"start_time":"1707768989","uuid":"408F3B27-434F-4776-8538-DA394A3D545F","version":"5.11.0","watcher":"57455"}],"action":"snapshot",
	"name":"packFOOBARGlobalFOOBARQuery_50","hostIdentifier":"589966AE-074A-503B-B17B-54B05684A120","calendarTime":"Mon Feb 12 20:16:40 2024 UTC",
	"unixTime":1707769000,"epoch":0,"counter":0,"numerics":false,"decorations":{"host_uuid":"589966AE-074A-503B-B17B-54B05684A120",
	"hostname":"foobar.local"}},{"snapshot":[{"build_distro":"10.14","build_platform":"darwin",
	"config_hash":"d8d220440ebea888f8704c4a0a5c1ced4ab601b5","config_valid":"1","extensions":"active",
	"instance_id":"522e6020-37de-460b-bb01-b76c77298f75","pid":"57456","platform_mask":"21","start_time":"1707768989",
	"uuid":"408F3B27-434F-4776-8538-DA394A3D545F","version":"5.11.0","watcher":"57455"}],"action":"snapshot",
	"name":"packFOOBARGlobalFOOBARQuery_28","hostIdentifier": "589966AE-074A-503B-B17B-54B05684A120","calendarTime":"Mon Feb 12 20:16:41 2024 UTC",
	"unixTime":1707769001,"epoch":0,"counter":0,"numerics":false,"decorations":{"host_uuid":"408F3B27-434F-4776-8538-DA394A3D545F",
	"hostname":"foobar.local"}}],"log_type":"result","node_key":"J9pA1CmjydHGi0bqS1XkkR9pOJQJzoPA"}`)
	response, err := http.DefaultClient.Post(ts.URL, "", bytes.NewReader(requestBody))
	require.NoError(t, err)
	require.Equal(t, http.StatusMethodNotAllowed, response.StatusCode)
}

func TestServeEndUserEnrollOTA(t *testing.T) {
	if !hasBuildTag("full") {
		t.Skip("This test requires running with -tags full")
	}

	ds := new(mock.DataStore)
	ds.HasUsersFunc = func(ctx context.Context) (bool, error) {
		return true, nil
	}
	appCfg := &fleet.AppConfig{
		MDM: fleet.MDM{
			EnabledAndConfigured:        false,
			AndroidEnabledAndConfigured: false,
		},
	}
	ds.AppConfigFunc = func(ctx context.Context) (*fleet.AppConfig, error) {
		return appCfg, nil
	}
	ds.VerifyEnrollSecretFunc = func(ctx context.Context, secret string) (*fleet.EnrollSecret, error) {
		return nil, &notFoundError{}
	}
	ds.TeamIDsWithSetupExperienceIdPEnabledFunc = func(ctx context.Context) ([]uint, error) {
		return nil, nil
	}

	svc, _ := newTestService(t, ds, nil, nil)

	for _, enabled := range []bool{true, false} {
		t.Run(fmt.Sprintf("MDM enabled: %t", enabled), func(t *testing.T) {
			appCfg.MDM.EnabledAndConfigured = enabled
			appCfg.MDM.AndroidEnabledAndConfigured = enabled

			logger := log.NewLogfmtLogger(os.Stdout)
			h := ServeEndUserEnrollOTA(svc, "", ds, logger)
			ts := httptest.NewServer(h)
			t.Cleanup(func() {
				ts.Close()
			})

			// assert html is returned
			response, err := http.DefaultClient.Get(ts.URL + "?enroll_secret=foo")
			require.NoError(t, err)
			require.Equal(t, http.StatusOK, response.StatusCode)
			require.Equal(t, response.Header.Get("Content-Type"), "text/html; charset=utf-8")
			assert.True(t, ds.AppConfigFuncInvoked)

			// assert it contains the content we expect
			defer response.Body.Close()
			bodyBytes, err := io.ReadAll(response.Body)
			require.NoError(t, err)
			bodyString := string(bodyBytes)
			require.Contains(t, bodyString, "api/v1/fleet/enrollment_profiles/ota?enroll_secret=foo")
			require.Contains(t, bodyString, "/api/v1/fleet/android_enterprise/enrollment_token")
			require.Contains(t, bodyString, fmt.Sprintf(`const ANDROID_MDM_ENABLED = "%t" === "true";`, enabled))
			require.Contains(t, bodyString, fmt.Sprintf(`const MAC_MDM_ENABLED = "%t" == "true";`, enabled))
		})
	}
}