package handlers_test

import (
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	"sneak.berlin/go/upaas/internal/service/app"
)

// TestAppPageLayout checks the app page's width, the order of its sections,
// and the height of its two log boxes.
func TestAppPageLayout(t *testing.T) {
	t.Parallel()

	testCtx := setupTestHandlers(t)

	createdApp, err := testCtx.appSvc.CreateApp(t.Context(), app.CreateAppInput{
		Name:    "layout-app",
		RepoURL: "git@example.com:user/layout-app.git",
	})
	require.NoError(t, err)

	request := httptest.NewRequestWithContext(
		t.Context(), http.MethodGet, "/apps/"+createdApp.ID, nil,
	)
	request = addChiURLParams(request, map[string]string{"id": createdApp.ID})
	recorder := httptest.NewRecorder()

	testCtx.handlers.HandleAppDetail().ServeHTTP(recorder, request)

	require.Equal(t, http.StatusOK, recorder.Code)

	body := recorder.Body.String()

	_, afterMain, found := strings.Cut(body, "<main")
	require.True(t, found, "app page has no main element")

	mainTag, _, _ := strings.Cut(afterMain, ">")
	assert.Contains(t, mainTag, "max-width: 84rem;")

	sectionTitles := []string{
		"Container Logs",
		"Deploy Key",
		"Webhook URL",
		"Last Deployment Build Logs",
		"Environment Variables",
		"Docker Labels",
		"Volume Mounts",
		"Port Mappings",
		"Recent Deployments",
		"Danger Zone",
	}

	previousIndex := -1

	for _, title := range sectionTitles {
		index := strings.Index(body, ">"+title+"</h2>")
		require.NotEqual(t, -1, index, "app page has no %q section", title)
		assert.Greater(t, index, previousIndex, "%q section is out of order", title)

		previousIndex = index
	}

	for _, logBox := range []string{"containerLogsWrapper", "buildLogsWrapper"} {
		_, afterRef, found := strings.Cut(body, `x-ref="`+logBox+`"`)
		require.True(t, found, "app page has no %s", logBox)

		logBoxTag, _, _ := strings.Cut(afterRef, ">")
		assert.Contains(t, logBoxTag, "max-height: 800px;", logBox)
	}
}