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package ee.tlu.htk.dippler.entities;

import java.io.Serializable;
import java.util.Collection;
import java.util.Date;
import javax.persistence.Basic;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.Lob;
import javax.persistence.ManyToOne;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.TableGenerator;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlElementWrapper;
import javax.xml.bind.annotation.XmlRootElement;

/**
 *
 * @author metz
 */
@XmlRootElement
@Entity
@Table(name = "courseblog_post")
@NamedQueries({
    @NamedQuery(name = "CourseblogPost.findAll", query = "SELECT c FROM CourseblogPost c"),
    @NamedQuery(name = "CourseblogPost.findById", query = "SELECT c FROM CourseblogPost c WHERE c.id = :id"),
    @NamedQuery(name = "CourseblogPost.findByTitle", query = "SELECT c FROM CourseblogPost c WHERE c.title = :title"),
    @NamedQuery(name = "CourseblogPost.findByCreated", query = "SELECT c FROM CourseblogPost c WHERE c.created = :created"),
    @NamedQuery(name = "CourseblogPost.findByModified", query = "SELECT c FROM CourseblogPost c WHERE c.modified = :modified"),
    @NamedQuery(name = "CourseblogPost.findByHidden", query = "SELECT c FROM CourseblogPost c WHERE c.hidden = :hidden"),
    @NamedQuery(name = "CourseblogPost.findByCourseNotHidden", query = "SELECT c FROM CourseblogPost c WHERE c.course = :course AND c.hidden = 0 ORDER BY c.created DESC")})
public class CourseblogPost implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(generator = "CourseBlogPostID")
    @TableGenerator(name="CourseBlogPostID", table="id_gen", 
            pkColumnName="ID_NAME", 
            valueColumnName = "ID_VAL",
            pkColumnValue="LAST_COURSE_BLOGPOST",
            allocationSize=1)
    @Basic(optional = false)
    @Column(name = "id")
    private Long id;

    @Column(name = "title")
    private String title;

    @Lob
    @Column(name = "body")
    private String body;

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

    @Basic(optional = false)
    @Column(name = "modified")
    @Temporal(TemporalType.TIMESTAMP)
    private Date modified = new Date();

    @Basic(optional = false)
    @Column(name = "hidden")
    private boolean hidden;

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

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

    @OneToMany(cascade = CascadeType.ALL, mappedBy = "courseblogPost", fetch = FetchType.LAZY)
    private Collection<CourseblogComment> courseblogComments;

    /*@OneToMany
    @JoinTable(name = "tag_relationship",
        joinColumns = @JoinColumn(name = "parent_id", referencedColumnName = "id", columnDefinition="parent_type=courseblog_post"),
        inverseJoinColumns = @JoinColumn(name = "tag_id", referencedColumnName = "id")
    )
    private Collection<Tag> tags;*/

    @Transient
    @XmlElementWrapper(name="tags")
    @XmlElement(name="tag")
    public Collection<String> tags;

    @OneToMany
    @JoinTable(name = "category_relationship",
        joinColumns = @JoinColumn(name = "parent_id", referencedColumnName = "id", columnDefinition="parent_type=courseblog_post"),
        inverseJoinColumns = @JoinColumn(name = "category_id", referencedColumnName = "id")
    )
    private Collection<Category> categories;

    @Transient
    @XmlElementWrapper(name="tags")
    @XmlElement(name="tag")
    public Collection<Long> tagIds;

    @Transient
    @XmlElementWrapper(name="categories")
    @XmlElement(name="category")
    public Collection<Long> categoryIds;

    public CourseblogPost() {
    }

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

    public CourseblogPost(Long id, Date created, Date modified, boolean hidden) {
        this.id = id;
        this.created = created;
        this.modified = modified;
        this.hidden = hidden;
    }

    public Long getId() {
        return id;
    }

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

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getBody() {
        return body;
    }

    public void setBody(String body) {
        this.body = body;
    }

    public Date getCreated() {
        return created;
    }

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

    public Date getModified() {
        return modified;
    }

    public void setModified(Date modified) {
        this.modified = modified;
    }

    public boolean getHidden() {
        return hidden;
    }

    public void setHidden(boolean hidden) {
        this.hidden = hidden;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }

    public Course getCourse() {
        return course;
    }

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

    public Collection<CourseblogComment> getCourseblogComments() {
        return courseblogComments;
    }

    public void setCourseblogComments(Collection<CourseblogComment> courseblogCommentCollection) {
        this.courseblogComments = courseblogCommentCollection;
    }

    public void setTags(Collection<String> cts) {
        this.tags = cts;
    }

    public Collection<Category> getCategories() {
        return categories;
    }

    public void setCategories(Collection<Category> ccs) {
        this.categories = ccs;
    }

    public void setTagIds(Collection<Long> id) {
        this.tagIds = id;
    }

    public void setCategoryIds(Collection<Long> id) {
        this.categoryIds = id;
    }

    @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 CourseblogPost)) {
            return false;
        }
        CourseblogPost other = (CourseblogPost) 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.CourseblogPost[id=" + id + "]";
    }

}