package com.plannaplan.entities;

import java.sql.Timestamp;
import java.util.List;

import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToMany;
import javax.persistence.OneToOne;

/**
 * Entity of Commision grouping of state associated about commison and owner_id
 */

@Entity
public class Commision {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
    @OneToOne
    @JoinColumn(name = "owner_id")
    private User commisionOwner;
    @OneToOne
    @JoinColumn(name = "commiter_id")
    private User commisionCommiter;
    private Timestamp commisionDate;

    @OneToMany(mappedBy = "commision", fetch = FetchType.EAGER)
    private List<Assignment> assignments;

    /**
     * 
     * @param user owner of commission. Can not be null otherwise saving commision
     *             will fail.
     */
    public Commision(User user) {
        this.commisionDate = new Timestamp(System.currentTimeMillis());
        this.commisionOwner = user;
        this.commisionCommiter = user;
    }

    /**
     * 
     * @param user     user whose shedule is being commited
     * @param commiter user that commited new schedule
     */
    public Commision(User user, User commiter) {
        this(user);
        this.commisionCommiter = commiter;
    }

    public Commision() {
    }

    /**
     * Id getter
     * 
     * @return id id of commision
     */
    public Long getId() {
        return this.id;
    }

    /**
     * CommisionDate getter
     * 
     * @return commisionDate
     */
    public Timestamp getCommisionDate() {
        return commisionDate;
    }

    /**
     * User of given commision getter
     * 
     * @return User commisionOwner
     */
    public User getCommisionOwner() {
        return commisionOwner;
    }

    /**
     * @return User entity that created commision (can be owner or deanery user)
     */
    public User getCommisionCommiter() {
        if (commisionCommiter == null) {
            return commisionOwner;
        }
        return commisionCommiter;
    }

    /**
     * Assigments getter
     * 
     * @return List of assignments
     */
    public List<Assignment> getAssignments() {
        return this.assignments;
    }

}