package handlers_test

import (
	"os"
	"path/filepath"
	"strings"
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
	"sneak.berlin/go/webhooker/internal/database"
	"sneak.berlin/go/webhooker/internal/delivery"
	"sneak.berlin/go/webhooker/internal/handlers"
	"sneak.berlin/go/webhooker/internal/session"
)

// TestHandleSourceDetail_ShowsArchiveFile proves a database target's
// row names its archive file and says "not created yet" before the
// first write, adds the file's size and last write once it has one row,
// and says "not created yet" again once the file has been moved away.
// A target of another type shows no archive file.
func TestHandleSourceDetail_ShowsArchiveFile(t *testing.T) {
	t.Parallel()

	var (
		h     *handlers.Handlers
		sess  *session.Session
		db    *database.Database
		dbMgr *database.WebhookDBManager
	)

	app := newTestApp(t, &h, &sess, &db, &dbMgr)
	app.RequireStart()

	t.Cleanup(app.RequireStop)

	wh := seedWebhook(t, db)
	archive := seedTarget(t, db, wh.ID, database.TargetTypeDatabase)
	seedTarget(t, db, wh.ID, database.TargetTypeLog)

	path := delivery.ArchivePath(dbMgr, wh, archive)

	body := renderSourceDetailPage(t, h, sess, wh.ID)
	assert.Equal(t, 1, strings.Count(body, "Archive File:"))
	assert.Contains(t, body, filepath.Base(path))
	assert.Contains(t, body, "not created yet")
	assert.NotContains(t, body, "Archive Size:")

	seedArchive(t, path, 1, 100)

	file, err := os.Stat(path)
	require.NoError(t, err)

	body = renderSourceDetailPage(t, h, sess, wh.ID)
	assert.Contains(t, body, filepath.Base(path))
	assert.NotContains(t, body, "not created yet")
	assert.Regexp(t,
		`Archive Size:</span>\s*<span>[1-9][0-9.]* [kM]?B</span>`, body,
	)
	assert.Contains(t, body,
		`title="`+file.ModTime().UTC().Format(time.DateTime)+` UTC"`,
	)

	require.NoError(t, os.Rename(path, filepath.Join(t.TempDir(), "moved.db")))

	body = renderSourceDetailPage(t, h, sess, wh.ID)
	assert.Contains(t, body, filepath.Base(path))
	assert.Contains(t, body, "not created yet")
	assert.NotContains(t, body, "Archive Size:")
}