/*
 * Copyright (C) 2015 Square, Inc.
 *
 * 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 keywhiz.auth;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.auto.value.AutoValue;
import java.security.Principal;
import javax.validation.constraints.NotNull;

@AutoValue
public abstract class User implements Principal {
  @JsonCreator public static User named(@NotNull @JsonProperty("name") String name) {
    return new AutoValue_User(name);
  }

  public static final String USERNAME_PATTERN = "[^A-Za-z0-9-_.]";

  public static boolean isSanitizedUsername(String name) {
    return name.equals(name.replaceAll(USERNAME_PATTERN, ""));
  }

  @JsonProperty public abstract String name();

  @Override public String getName() {
    return name();
  }
}
