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package org.bibucket.village.land;

import javax.annotation.Nonnull;
import java.text.MessageFormat;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Кадастровый номер участка
 */
public final class CadastralNumber {
  private static final Pattern PATTERN =
    Pattern.compile(
      "^([0-9]+):([0-9]+):([0-9]{6,7}):([0-9]+)$"
    );

  /**
   * кадастровый округ
   */
  private final String canton;

  /**
   * кадастровый район
   */
  private final String district;

  /**
   * кадастровый квартал
   */
  private final String quarter;

  /**
   * номер объекта недвижимости
   */
  private final String number;

  public CadastralNumber(String number) {
    Matcher matcher = PATTERN.matcher(number);
    if (!matcher.matches()) {
      throw new IllegalArgumentException(
        MessageFormat.format("{0} - не кадастровый номер", number)
      );
    }

    canton = matcher.group(1);
    district = matcher.group(2);
    quarter = matcher.group(3);
    this.number = matcher.group(4);
  }

  @Nonnull
  public String canton() {
    return canton;
  }

  @Nonnull
  public String district() {
    return district;
  }

  @Nonnull
  public String quarter() {
    return quarter;
  }

  @Nonnull
  public String number() {
    return number;
  }

  @Override
  public int hashCode() {
    return number.hashCode();
  }

  @Override
  public boolean equals(Object other) {
    return other == this || (
      other != null
        && other.getClass() == CadastralNumber.class
        && ((CadastralNumber) other).canton.equals(this.canton)
        && ((CadastralNumber) other).district.equals(this.district)
        && ((CadastralNumber) other).quarter.equals(this.quarter)
        && ((CadastralNumber) other).number.equals(this.number)
    );
  }

  @Override
  public String toString() {
    return canton + ":" + district + ":" + quarter + ":" + number;
  }
}