package com.example.demo;

import com.fasterxml.jackson.annotation.JsonInclude;
import org.springframework.stereotype.Service;

@Service
public class DemoService {

    public MyPojo getMyPojo() {
        MyPojo pojo = new MyPojo();
        pojo.setDateOfBirth("2010-08-12");
        pojo.setEmailAddress("veryyoungperson@gmail.com");
        pojo.setId(1234);
        pojo.setName("Dave");
        pojo.setParent(makeParent());
        return pojo;
    }

    private MyPojo makeParent() {
        MyPojo pojo = new MyPojo();
        pojo.setName("Arnold");
        pojo.setId(3123);
        pojo.setDateOfBirth("1962-10-11");
        pojo.setEmailAddress("olderperson@gmail.com");
        pojo.setParent(makeSubParent());
        return pojo;
    }

    private MyPojo makeSubParent() {
        MyPojo pojo = new MyPojo();
        pojo.setName("Javier");
        pojo.setId(4321);
        pojo.setDateOfBirth("1940-1-1");
        //pojo.setEmailAddress("other@gmail.com");
        return pojo;
    }


    public boolean isValid(MyPojo myPojo) {
        if (myPojo.getEmailAddress() == null && myPojo.getDateOfBirth().contains("ok")) {
            return false;
        }
        return myPojo.getEmailAddress().contains("c");
    }
}

class MyPojo {
    private String name;
    private String dateOfBirth;
    private String emailAddress;
    private Integer id;

    @JsonInclude(JsonInclude.Include.NON_ABSENT)
    private MyPojo parent;

    public MyPojo getParent() {
        return parent;
    }

    public void setParent(MyPojo parent) {
        this.parent = parent;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDateOfBirth() {
        return dateOfBirth;
    }

    public void setDateOfBirth(String dateOfBirth) {
        this.dateOfBirth = dateOfBirth;
    }

    public String getEmailAddress() {
        return emailAddress;
    }

    public void setEmailAddress(String emailAddress) {
        this.emailAddress = emailAddress;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }
}