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/*
 *
 * Copyright (c) 2013 - 2018 Lijun Liao
 *
 * 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 org.xipki.ca.server.mgmt.shell;

import java.util.Set;

import org.apache.karaf.shell.api.action.Argument;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Completion;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.xipki.ca.server.mgmt.api.CaEntry;
import org.xipki.ca.server.mgmt.api.CaStatus;
import org.xipki.ca.server.mgmt.shell.completer.CaNameCompleter;
import org.xipki.shell.CmdFailure;

/**
 * TODO.
 * @author Lijun Liao
 * @since 2.0.0
 */

@Command(scope = "ca", name = "ca-info", description = "show information of CA")
@Service
public class CaInfoAction extends CaAction {

  @Argument(index = 0, name = "name", description = "CA name")
  @Completion(CaNameCompleter.class)
  private String name;

  @Option(name = "--verbose", aliases = "-v", description = "show CA information verbosely")
  private Boolean verbose = Boolean.FALSE;

  @Override
  protected Object execute0() throws Exception {
    StringBuilder sb = new StringBuilder();
    if (name == null) {
      sb.append("successful CAs:\n");
      String prefix = "  ";
      printCaNames(sb, caManager.getSuccessfulCaNames(), prefix);

      sb.append("failed CAs:\n");
      printCaNames(sb, caManager.getFailedCaNames(), prefix);

      sb.append("inactive CAs:\n");
      printCaNames(sb, caManager.getInactiveCaNames(), prefix);
    } else {
      CaEntry entry = caManager.getCa(name);
      if (entry == null) {
        throw new CmdFailure("could not find CA '" + name + "'");
      } else {
        if (CaStatus.ACTIVE == entry.getStatus()) {
          boolean started = caManager.getSuccessfulCaNames().contains(entry.getIdent().getName());
          sb.append("started: ").append(started).append("\n");
        }
        Set aliases = caManager.getAliasesForCa(name);
        sb.append("aliases: ").append(toString(aliases)).append("\n");
        sb.append(entry.toString(verbose.booleanValue()));
      }
    }

    println(sb.toString());
    return null;
  } // method execute0

}