/*
    * Copyright 2021 TiKV Project Authors.
    *
    * 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.tikv.common.region;
  
  import java.io.Serializable;
  import java.util.concurrent.atomic.AtomicBoolean;
  import org.tikv.kvproto.Metapb;
  
  public class TiStore implements Serializable {
    private final Metapb.Store store;
    private final Metapb.Store proxyStore;
    private final AtomicBoolean reachable;
    private final AtomicBoolean valid;
  
    public TiStore(Metapb.Store store) {
      this.store = store;
      this.reachable = new AtomicBoolean(true);
      this.valid = new AtomicBoolean(true);
      this.proxyStore = null;
    }
  
    private TiStore(Metapb.Store store, Metapb.Store proxyStore) {
      this.store = store;
      if (proxyStore != null) {
        this.reachable = new AtomicBoolean(false);
      } else {
        this.reachable = new AtomicBoolean(true);
      }
      this.valid = new AtomicBoolean(true);
      this.proxyStore = proxyStore;
    }
  
    @java.lang.Override
    public boolean equals(final java.lang.Object obj) {
      if (obj == this) {
        return true;
      }
      if (!(obj instanceof TiStore)) {
        return super.equals(obj);
      }
      TiStore other = (TiStore) obj;
      if (!this.store.equals(other.store)) {
        return false;
      }
  
      if (proxyStore == null && other.proxyStore == null) {
        return true;
      }
      if (proxyStore != null && other.proxyStore != null) {
        return proxyStore.equals(other.proxyStore);
      }
      return false;
    }
  
    public TiStore withProxy(Metapb.Store proxyStore) {
      return new TiStore(this.store, proxyStore);
    }
  
    public void markUnreachable() {
      this.reachable.set(false);
    }
  
    public void markReachable() {
      this.reachable.set(true);
    }
  
    public boolean isReachable() {
      return this.reachable.get();
    }
  
    public boolean isValid() {
      return this.valid.get();
    }
  
    public void markInvalid() {
      this.valid.set(false);
    }
  
    public Metapb.Store getStore() {
      return this.store;
    }
  
    public String getAddress() {
      return this.store.getAddress();
    }
 
   public Metapb.Store getProxyStore() {
     return this.proxyStore;
   }
 
   public long getId() {
     return this.store.getId();
   }
 
   public boolean isTiFlash() {
     for (Metapb.StoreLabel label : store.getLabelsList()) {
       if (label.getKey().equals(TiStoreType.TiFlash.getLabelKey())
           && label.getValue().equals(TiStoreType.TiFlash.getLabelValue())) {
         return true;
       }
     }
     return false;
   }
 }