// Copyright (c) 2013 VMware, Inc. All Rights Reserved.
// Copyright (C) 2017 The Android Open Source Project
//
// Licensed 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 com.vmware.gerrit.owners.common;

import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.gerrit.reviewdb.client.Account;

import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * Path Owners Entry.
 * <p/>
 * Used internally by PathOwners to represent and compute the owners at a
 * specific path.
 */
class PathOwnersEntry {

  public PathOwnersEntry() {
  }

  public PathOwnersEntry(String path, OwnersConfig config, Accounts accounts,
      Set<Account.Id> inheritedOwners) {
    this.ownersPath = path;
    this.owners =
        config.getOwners().stream().flatMap(o -> accounts.find(o).stream())
            .collect(Collectors.toSet());
    if (config.isInherited()) {
      this.owners.addAll(inheritedOwners);
    }
    this.matchers = config.getMatchers();
  }

  @Override
  public String toString() {
    return "PathOwnersEntry [ownersPath=" + ownersPath + ", owners=" + owners
        + ", matchers=" + matchers + "]";
  }

  private String ownersPath;
  private Set<Account.Id> owners = Sets.newHashSet();

  private Map<String, Matcher> matchers = Maps.newHashMap();


  public void addMatcher(Matcher matcher) {
    this.matchers.put(matcher.getPath(), matcher);
  }

  public Map<String, Matcher> getMatchers() {
    return matchers;
  }

  public Set<Account.Id> getOwners() {
    return owners;
  }

  public void setOwners(Set<Account.Id> owners) {
    this.owners = owners;
  }

  public String getOwnersPath() {
    return ownersPath;
  }

  public void setOwnersPath(String ownersPath) {
    this.ownersPath = ownersPath;
  }

  public void setMatchers(Map<String, Matcher> matchers) {
    this.matchers = matchers;
  }
}