/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 *
 *   https://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.apache.accumulo.core.clientImpl;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;

import org.apache.accumulo.core.client.TableNotFoundException;
import org.apache.accumulo.core.client.admin.ActiveScan;
import org.apache.accumulo.core.client.admin.ScanState;
import org.apache.accumulo.core.client.admin.ScanType;
import org.apache.accumulo.core.client.admin.servers.ServerId;
import org.apache.accumulo.core.data.Column;
import org.apache.accumulo.core.data.TableId;
import org.apache.accumulo.core.data.TabletId;
import org.apache.accumulo.core.dataImpl.KeyExtent;
import org.apache.accumulo.core.dataImpl.TabletIdImpl;
import org.apache.accumulo.core.dataImpl.thrift.IterInfo;
import org.apache.accumulo.core.dataImpl.thrift.TColumn;
import org.apache.accumulo.core.security.Authorizations;

/**
 * A class that contains information about an ActiveScan
 *
 * @since 1.6.0
 */
public class ActiveScanImpl extends ActiveScan {

  private final long scanId;
  private final String client;
  private final String tableName;
  private final long age;
  private final long idle;
  private final ScanType type;
  private final ScanState state;
  private final KeyExtent extent;
  private final List<Column> columns;
  private final List<String> ssiList;
  private final Map<String,Map<String,String>> ssio;
  private final String user;
  private final Authorizations authorizations;
  private final ServerId server;

  ActiveScanImpl(ClientContext context,
      org.apache.accumulo.core.tabletscan.thrift.ActiveScan activeScan, ServerId server)
      throws TableNotFoundException {
    this.scanId = activeScan.scanId;
    this.client = activeScan.client;
    this.user = activeScan.user;
    this.age = activeScan.age;
    this.idle = activeScan.idleTime;
    this.tableName = context.getQualifiedTableName(TableId.of(activeScan.tableId));
    this.type = ScanType.valueOf(activeScan.getType().name());
    this.state = ScanState.valueOf(activeScan.state.name());
    this.extent = KeyExtent.fromThrift(activeScan.extent);
    this.authorizations = new Authorizations(activeScan.authorizations);

    this.columns = new ArrayList<>(activeScan.columns.size());

    for (TColumn tcolumn : activeScan.columns) {
      this.columns.add(new Column(tcolumn));
    }

    this.ssiList = new ArrayList<>();
    for (IterInfo ii : activeScan.ssiList) {
      this.ssiList.add(ii.iterName + "=" + ii.priority + "," + ii.className);
    }
    this.ssio = activeScan.ssio;
    this.server = Objects.requireNonNull(server);
  }

  @Override
  public long getScanid() {
    return scanId;
  }

  @Override
  public String getClient() {
    return client;
  }

  @Override
  public String getUser() {
    return user;
  }

  @Override
  public String getTable() {
    return tableName;
  }

  @Override
  public long getAge() {
    return age;
  }

  @Override
  public long getLastContactTime() {
    return idle;
  }

  @Override
  public ScanType getType() {
    return type;
  }

  @Override
  public ScanState getState() {
    return state;
  }

  @Override
  public TabletId getTablet() {
    return new TabletIdImpl(extent);
  }

  @Override
  public List<Column> getColumns() {
    return columns;
  }

  @Override
  public List<String> getSsiList() {
    return ssiList;
  }

  @Override
  public Map<String,Map<String,String>> getSsio() {
    return ssio;
  }

  @Override
  public Authorizations getAuthorizations() {
    return authorizations;
  }

  @Override
  public long getIdleTime() {
    return idle;
  }

  @Override
  public ServerId getServerId() {
    return server;
  }
}
