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"
)

// TestAppBranchIsShown checks that an app's branch can be read from the app
// page title and from the app list without opening the edit page.
func TestAppBranchIsShown(t *testing.T) {
	t.Parallel()

	testCtx := setupTestHandlers(t)

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

	t.Run("in the app page title next to the status badge", func(t *testing.T) {
		t.Parallel()

		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)

		// The title row runs from the app name heading to the end of its div.
		_, afterHeading, found := strings.Cut(recorder.Body.String(), "<h1")
		require.True(t, found, "app page has no heading")

		titleRow, _, _ := strings.Cut(afterHeading, "</div>")
		assert.Contains(t, titleRow, `x-text="statusLabel"`)
		assert.Contains(t, titleRow, ">staging</span>")
	})

	t.Run("in the app list before the repository", func(t *testing.T) {
		t.Parallel()

		request := httptest.NewRequestWithContext(
			t.Context(), http.MethodGet, "/", nil,
		)
		recorder := httptest.NewRecorder()

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

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

		_, afterRowStart, found := strings.Cut(
			recorder.Body.String(), `<tr class="table-row-hover">`,
		)
		require.True(t, found, "app list has no row for the app")

		row, _, _ := strings.Cut(afterRowStart, "</tr>")
		branchAt := strings.Index(row, ">staging</td>")
		repoAt := strings.Index(row, createdApp.RepoURL)

		require.NotEqual(t, -1, branchAt, "branch missing from the app's row")
		require.NotEqual(t, -1, repoAt, "repository missing from the app's row")
		assert.Less(t, branchAt, repoAt, "branch should come before repository")
	})
}