/*
 * Copyright (C) 2026 Fluxer Contributors
 *
 * This file is part of Fluxer.
 *
 * Fluxer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Fluxer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
 */

package integration

import "encoding/base64"

// getLargeBase64 generates a base64 payload whose decoded size is >= sizeBytes.
func getLargeBase64(sizeBytes int) string {
	if sizeBytes < len(validPNGBytes) {
		sizeBytes = len(validPNGBytes)
	}

	data := make([]byte, sizeBytes)
	copy(data, validPNGBytes)
	for i := len(validPNGBytes); i < len(data); i++ {
		data[i] = 0xFF
	}

	return base64.StdEncoding.EncodeToString(data)
}