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package ee.tlu.htk.dippler.entities;

import java.io.Serializable;
import java.util.Date;
import javax.persistence.Basic;
import javax.persistence.Column;
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.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

/**
 *
 * @author aili
 */
@Entity
@Table(name = "activity")
@NamedQueries({
    @NamedQuery(name = "Activity.findAll", query = "SELECT a FROM Activity a"),
    @NamedQuery(name = "Activity.findById", query = "SELECT a FROM Activity a WHERE a.id = :id"),
    @NamedQuery(name = "Activity.findByCourseTitle", query = "SELECT a FROM Activity a WHERE a.courseTitle = :courseTitle"),
    @NamedQuery(name = "Activity.findByEvent", query = "SELECT a FROM Activity a WHERE a.event = :event"),
    @NamedQuery(name = "Activity.findByObjectId", query = "SELECT a FROM Activity a WHERE a.objectId = :objectId"),
    @NamedQuery(name = "Activity.findByObjectTitle", query = "SELECT a FROM Activity a WHERE a.objectTitle = :objectTitle"),
    @NamedQuery(name = "Activity.findByObjectType", query = "SELECT a FROM Activity a WHERE a.objectType = :objectType"),
    @NamedQuery(name = "Activity.findByCreatorFullname", query = "SELECT a FROM Activity a WHERE a.creatorFullname = :creatorFullname"),
    @NamedQuery(name = "Activity.findByCreated", query = "SELECT a FROM Activity a WHERE a.created = :created")})
public class Activity implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(generator = "ActivityID")
    @TableGenerator(name="ActivityID", table="id_gen", 
            pkColumnName="ID_NAME", 
            valueColumnName = "ID_VAL",
            pkColumnValue="LAST_ACTIVITY",
            allocationSize=1)
    @Basic(optional = false)
    @Column( name = "id" )
    private Long id;

    @JoinColumn(name="course", referencedColumnName = "id")
    @ManyToOne(optional=false, fetch = FetchType.LAZY)
    private Course course;

    @Column(name = "course_title")
    private String courseTitle;
    @Column(name = "event")
    private String event;
    @Column(name = "object_id")
    private Long objectId;
    @Column(name = "object_title")
    private String objectTitle;
    @Column(name = "object_type")
    private String objectType;

    @JoinColumn(name = "creator", referencedColumnName = "id")
    @ManyToOne(optional = false, fetch = FetchType.LAZY)
    private User creator;

    @Column(name = "creator_fullname")
    private String creatorFullname;
    
    @Basic(optional = false)
    @Column(name = "created")
    @Temporal(TemporalType.TIMESTAMP)
    private Date created;

    public Activity() {
        created = new Date(); //Set created timestamp on construct
    }

    public Activity(Long id) {
        this.id = id;
    }

    public Activity(Long id, Date created) {
        this.id = id;
        this.created = created;
    }

    public Long getId() {
        return id;
    }

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

    public Course getCourse() {
        return course;
    }

    public void setCourse(Course course) {
        this.course = course;
        if ( !this.course.getActivities().contains(this) ) {
            course.addActivity(this);
        } 
    }

    public String getCourseTitle() {
        return courseTitle;
    }

    public void setCourseTitle(String courseTitle) {
        this.courseTitle = courseTitle;
    }

    public String getEvent() {
        return event;
    }

    public void setEvent(String event) {
        this.event = event;
    }

    public Long getObjectId() {
        return objectId;
    }

    public void setObjectId(Long objectId) {
        this.objectId = objectId;
    }

    public String getObjectTitle() {
        return objectTitle;
    }

    public void setObjectTitle(String objectTitle) {
        this.objectTitle = objectTitle;
    }

    public String getObjectType() {
        return objectType;
    }

    public void setObjectType(String objectType) {
        this.objectType = objectType;
    }

    public User getCreator() {
        return creator;
    }

    public void setCreator(User creator) {
        this.creator = creator;
    }

    public String getCreatorFullname() {
        return creatorFullname;
    }

    public void setCreatorFullname(String creatorFullname) {
        this.creatorFullname = creatorFullname;
    }

    public Date getCreated() {
        return created;
    }

    public void setCreated(Date created) {
        this.created = created;
    }

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Activity)) {
            return false;
        }
        Activity other = (Activity) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "ee.tlu.htk.dippler.entities.Activity[id=" + id + "]";
    }

}