/*
 * 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
 *
 *     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.apache.beam.sdk.nexmark.model;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonProcessingException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
import org.apache.beam.sdk.coders.Coder;
import org.apache.beam.sdk.coders.CoderException;
import org.apache.beam.sdk.coders.CustomCoder;
import org.apache.beam.sdk.coders.InstantCoder;
import org.apache.beam.sdk.coders.StringUtf8Coder;
import org.apache.beam.sdk.coders.VarLongCoder;
import org.apache.beam.sdk.nexmark.NexmarkUtils;
import org.apache.beam.sdk.schemas.JavaFieldSchema;
import org.apache.beam.sdk.schemas.annotations.DefaultSchema;
import org.apache.beam.vendor.guava.v20_0.com.google.common.base.Objects;
import org.joda.time.Instant;

/** A person either creating an auction or making a bid. */
@DefaultSchema(JavaFieldSchema.class)
public class Person implements KnownSize, Serializable {
  private static final Coder<Instant> INSTANT_CODER = InstantCoder.of();
  private static final Coder<Long> LONG_CODER = VarLongCoder.of();
  private static final Coder<String> STRING_CODER = StringUtf8Coder.of();
  public static final Coder<Person> CODER =
      new CustomCoder<Person>() {
        @Override
        public void encode(Person value, OutputStream outStream)
            throws CoderException, IOException {
          LONG_CODER.encode(value.id, outStream);
          STRING_CODER.encode(value.name, outStream);
          STRING_CODER.encode(value.emailAddress, outStream);
          STRING_CODER.encode(value.creditCard, outStream);
          STRING_CODER.encode(value.city, outStream);
          STRING_CODER.encode(value.state, outStream);
          INSTANT_CODER.encode(value.dateTime, outStream);
          STRING_CODER.encode(value.extra, outStream);
        }

        @Override
        public Person decode(InputStream inStream) throws CoderException, IOException {
          long id = LONG_CODER.decode(inStream);
          String name = STRING_CODER.decode(inStream);
          String emailAddress = STRING_CODER.decode(inStream);
          String creditCard = STRING_CODER.decode(inStream);
          String city = STRING_CODER.decode(inStream);
          String state = STRING_CODER.decode(inStream);
          Instant dateTime = INSTANT_CODER.decode(inStream);
          String extra = STRING_CODER.decode(inStream);
          return new Person(id, name, emailAddress, creditCard, city, state, dateTime, extra);
        }

        @Override
        public void verifyDeterministic() throws NonDeterministicException {}

        @Override
        public Object structuralValue(Person v) {
          return v;
        }
      };

  /** Id of person. */
  @JsonProperty public long id; // primary key

  /** Extra person properties. */
  @JsonProperty public String name;

  @JsonProperty public String emailAddress;

  @JsonProperty public String creditCard;

  @JsonProperty public String city;

  @JsonProperty public String state;

  @JsonProperty public Instant dateTime;

  /** Additional arbitrary payload for performance testing. */
  @JsonProperty public String extra;

  // For Avro only.
  @SuppressWarnings("unused")
  public Person() {
    id = 0;
    name = null;
    emailAddress = null;
    creditCard = null;
    city = null;
    state = null;
    dateTime = null;
    extra = null;
  }

  public Person(
      long id,
      String name,
      String emailAddress,
      String creditCard,
      String city,
      String state,
      Instant dateTime,
      String extra) {
    this.id = id;
    this.name = name;
    this.emailAddress = emailAddress;
    this.creditCard = creditCard;
    this.city = city;
    this.state = state;
    this.dateTime = dateTime;
    this.extra = extra;
  }

  /** Return a copy of person which capture the given annotation. (Used for debugging). */
  public Person withAnnotation(String annotation) {
    return new Person(
        id, name, emailAddress, creditCard, city, state, dateTime, annotation + ": " + extra);
  }

  /** Does person have {@code annotation}? (Used for debugging.) */
  public boolean hasAnnotation(String annotation) {
    return extra.startsWith(annotation + ": ");
  }

  /** Remove {@code annotation} from person. (Used for debugging.) */
  public Person withoutAnnotation(String annotation) {
    if (hasAnnotation(annotation)) {
      return new Person(
          id,
          name,
          emailAddress,
          creditCard,
          city,
          state,
          dateTime,
          extra.substring(annotation.length() + 2));
    } else {
      return this;
    }
  }

  @Override
  public long sizeInBytes() {
    return 8L
        + name.length()
        + 1L
        + emailAddress.length()
        + 1L
        + creditCard.length()
        + 1L
        + city.length()
        + 1L
        + state.length()
        + 8L
        + 1L
        + extra.length()
        + 1L;
  }

  @Override
  public String toString() {
    try {
      return NexmarkUtils.MAPPER.writeValueAsString(this);
    } catch (JsonProcessingException e) {
      throw new RuntimeException(e);
    }
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    Person person = (Person) o;
    return id == person.id
        && Objects.equal(dateTime, person.dateTime)
        && Objects.equal(name, person.name)
        && Objects.equal(emailAddress, person.emailAddress)
        && Objects.equal(creditCard, person.creditCard)
        && Objects.equal(city, person.city)
        && Objects.equal(state, person.state)
        && Objects.equal(extra, person.extra);
  }

  @Override
  public int hashCode() {
    return Objects.hashCode(id, name, emailAddress, creditCard, city, state, dateTime, extra);
  }
}