// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.openqa.selenium.bidi.browser;

import static java.util.Objects.requireNonNull;

import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;
import org.jspecify.annotations.Nullable;
import org.openqa.selenium.Beta;
import org.openqa.selenium.internal.Require;

@Beta
public class DownloadBehavior {
  private final boolean allowed;
  private final @Nullable Path destinationFolder;

  public static DownloadBehavior allowed(Path destinationFolder) {
    return new DownloadBehavior(true, destinationFolder);
  }

  public static DownloadBehavior denied() {
    return new DownloadBehavior(false, (Path) null);
  }

  public DownloadBehavior(boolean allowed, @Nullable String destinationFolder) {
    this(allowed, destinationFolder != null ? Paths.get(destinationFolder) : null);
  }

  public DownloadBehavior(boolean allowed, @Nullable Path destinationFolder) {
    this.allowed = allowed;
    this.destinationFolder = destinationFolder;
    if (allowed) {
      Require.nonNull("destinationFolder", destinationFolder);
    } else {
      Require.isNull("destinationFolder", destinationFolder);
    }
  }

  Map<String, String> toMap() {
    return allowed
        ? Map.of(
            "type",
            "allowed",
            "destinationFolder",
            requireNonNull(destinationFolder).toAbsolutePath().toString())
        : Map.of("type", "denied");
  }

  @Override
  public String toString() {
    return String.format(
        "DownloadBehavior{allowed=%s, destinationFolder=%s}", allowed, destinationFolder);
  }
}
