package com.foo.bar;

import android.support.annotation.NonNull;
import com.microsoft.thrifty.Adapter;
import com.microsoft.thrifty.StructBuilder;
import com.microsoft.thrifty.TType;
import com.microsoft.thrifty.ThriftField;
import com.microsoft.thrifty.protocol.FieldMetadata;
import com.microsoft.thrifty.protocol.ListMetadata;
import com.microsoft.thrifty.protocol.Protocol;
import com.microsoft.thrifty.util.ProtocolUtil;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public final class SearchResult {
  public static final Adapter<SearchResult, Builder> ADAPTER = new SearchResultAdapter();

  @ThriftField(
      fieldId = 1,
      isRequired = true
  )
  @NonNull
  public final String url;

  /**
   * A list of keywords related to the result
   */
  @ThriftField(
      fieldId = 2,
      isRequired = true
  )
  @NonNull
  public final List<String> keywords;

  /**
   * The time at which the result was last checked, in unix millis
   */
  @ThriftField(
      fieldId = 3,
      isRequired = true
  )
  @NonNull
  public final Long lastUpdatedMillis;

  private SearchResult(Builder builder) {
    this.url = builder.url;
    this.keywords = Collections.unmodifiableList(builder.keywords);
    this.lastUpdatedMillis = builder.lastUpdatedMillis;
  }

  @Override
  public boolean equals(Object other) {
    if (this == other) return true;
    if (other == null) return false;
    if (!(other instanceof SearchResult)) return false;
    SearchResult that = (SearchResult) other;
    return (this.url == that.url || this.url.equals(that.url))
        && (this.keywords == that.keywords || this.keywords.equals(that.keywords))
        && (this.lastUpdatedMillis == that.lastUpdatedMillis || this.lastUpdatedMillis.equals(that.lastUpdatedMillis));
  }

  @Override
  public int hashCode() {
    int code = 16777619;
    code ^= this.url.hashCode();
    code *= 0x811c9dc5;
    code ^= this.keywords.hashCode();
    code *= 0x811c9dc5;
    code ^= this.lastUpdatedMillis.hashCode();
    code *= 0x811c9dc5;
    return code;
  }

  @Override
  public String toString() {
    return "SearchResult{url=" + this.url + ", keywords=" + this.keywords + ", lastUpdatedMillis=" + this.lastUpdatedMillis + "}";
  }

  public static final class Builder implements StructBuilder<SearchResult> {
    private String url;

    /**
     * A list of keywords related to the result
     */
    private List<String> keywords;

    /**
     * The time at which the result was last checked, in unix millis
     */
    private Long lastUpdatedMillis;

    public Builder() {
      this.keywords = new ArrayList<String>();
    }

    public Builder(SearchResult struct) {
      this.url = struct.url;
      this.keywords = struct.keywords;
      this.lastUpdatedMillis = struct.lastUpdatedMillis;
    }

    public Builder url(String url) {
      if (url == null) {
        throw new NullPointerException("Required field 'url' cannot be null");
      }
      this.url = url;
      return this;
    }

    public Builder keywords(List<String> keywords) {
      if (keywords == null) {
        throw new NullPointerException("Required field 'keywords' cannot be null");
      }
      this.keywords = keywords;
      return this;
    }

    public Builder lastUpdatedMillis(Long lastUpdatedMillis) {
      if (lastUpdatedMillis == null) {
        throw new NullPointerException("Required field 'lastUpdatedMillis' cannot be null");
      }
      this.lastUpdatedMillis = lastUpdatedMillis;
      return this;
    }

    @Override
    public SearchResult build() {
      if (this.url == null) {
        throw new IllegalStateException("Required field 'url' is missing");
      }
      if (this.keywords == null) {
        throw new IllegalStateException("Required field 'keywords' is missing");
      }
      if (this.lastUpdatedMillis == null) {
        throw new IllegalStateException("Required field 'lastUpdatedMillis' is missing");
      }
      return new SearchResult(this);
    }

    @Override
    public void reset() {
      this.url = null;
      this.keywords = new ArrayList<String>();
      this.lastUpdatedMillis = null;
    }
  }

  private static final class SearchResultAdapter implements Adapter<SearchResult, Builder> {
    // Uninteresting but important serialization code
  }

// Transports define how bytes move to and from their destination
SocketTransport transport = new SocketTransport("thrift.google.com", 80);
transport.connect();

// Protocols define the mapping between structs and bytes
Protocol protocol = new BinaryProtocol(transport);

// Generated clients do the plumbing
Google client = new GoogleClient(protocol);

Query query = new Query.Builder()
    .text("thrift vs protocol buffers")
    .build();

// RPC clients are asynchronous and callback-based
client.search(query, new ServiceMethodCallback<List<SearchResult>>() {
    @Override
    public void onSuccess(List<SearchResult> response) {
        // yay
    }

    @Override
    public void onError(Throwable error) {
        Log.e("GoogleClient", "Search error: " + error);
    }
});