/*
 * Copyright (C) 2003-2016 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package org.exoplatform.social.core.jpa.storage.entity;

import java.io.Serializable;
import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.*;

import org.exoplatform.commons.api.persistence.ExoEntity;

@Entity(name = "SocSpaceEntity")
@ExoEntity
@Table(name = "SOC_SPACES")
@NamedQueries({
        @NamedQuery(name = "SpaceEntity.getLastSpaces", query = "SELECT sp.id, sp.createdDate FROM SocSpaceEntity sp ORDER BY sp.createdDate DESC"),
        @NamedQuery(name = "SpaceEntity.getSpaceByGroupId", query = "SELECT sp FROM SocSpaceEntity sp WHERE sp.groupId = :groupId"),
        @NamedQuery(name = "SpaceEntity.getSpaceByPrettyName", query = "SELECT sp FROM SocSpaceEntity sp WHERE sp.prettyName = :prettyName"),
        @NamedQuery(name = "SpaceEntity.getSpaceByDisplayName", query = "SELECT sp FROM SocSpaceEntity sp WHERE sp.displayName = :displayName"),
        @NamedQuery(name = "SpaceEntity.getSpaceByURL", query = "SELECT sp FROM SocSpaceEntity sp WHERE sp.url = :url"),
        @NamedQuery(
                name = "SpaceEntity.getCommonSpacesBetweenTwoUsers",
                query =
                        "SELECT spaces FROM SocSpaceEntity spaces "
                        + "WHERE spaces.id IN ( "
                        + "SELECT distinct (t1.space.id) FROM SocSpaceMember t1, SocSpaceMember t2 "
                        + " WHERE t1.userId = :userId "
                        + " AND t2.userId = :otherUserId "
                        + " AND t1.space.id = t2.space.id"
                        + " )"
        ),
        @NamedQuery(
                name = "SpaceEntity.countCommonSpacesBetweenTwoUsers",
                query =
                        "SELECT COUNT(*) FROM SocSpaceEntity spaces "
                                + "WHERE spaces.id IN ( "
                                + "SELECT distinct (t1.space.id) FROM SocSpaceMember t1, SocSpaceMember t2 "
                                + " WHERE t1.userId = :userId "
                                + " AND t2.userId = :otherUserId "
                                + " AND t1.space.id = t2.space.id"
                                + " )"
        ),
})
public class SpaceEntity implements Serializable {

  private static final long serialVersionUID = 3223615477747436986L;

  @Id
  @SequenceGenerator(name = "SEQ_SOC_SPACES_ID", sequenceName = "SEQ_SOC_SPACES_ID", allocationSize = 1)
  @GeneratedValue(strategy = GenerationType.AUTO, generator = "SEQ_SOC_SPACES_ID")
  @Column(name = "SPACE_ID")
  private Long              id;

  @OneToMany(fetch = FetchType.LAZY, mappedBy = "space", cascade = CascadeType.ALL, orphanRemoval = true)
  private Set<SpaceMemberEntity> members          = new HashSet<>();

  @OneToMany(fetch = FetchType.LAZY, mappedBy = "space", cascade = CascadeType.ALL, orphanRemoval = true)
  private Set<GroupSpaceBindingEntity> spaceBindingEntities          = new HashSet<>();
  
  @OneToMany(fetch = FetchType.LAZY, mappedBy = "space", cascade = CascadeType.ALL, orphanRemoval = true)
  private Set<GroupSpaceBindingReportActionEntity> spaceBindingReportEntities          = new HashSet<>();

  /**
   * The list of applications with portlet Id, application name, and its state
   * (installed, activated, deactivated).
   */
  @ElementCollection
  @CollectionTable(name = "SOC_APPS", joinColumns = @JoinColumn(name = "SPACE_ID") )
  private Set<AppEntity>    app              = new HashSet<>();

  @Column(name = "PRETTY_NAME")
  private String            prettyName;

  @Column(name = "DISPLAY_NAME")
  private String            displayName;

  @Column(name = "REGISTRATION")
  private REGISTRATION            registration;

  @Column(name = "DESCRIPTION")
  private String            description;

  @Temporal(TemporalType.TIMESTAMP)
  @Column(name = "AVATAR_LAST_UPDATED")
  private Date              avatarLastUpdated;

  @Temporal(TemporalType.TIMESTAMP)
  @Column(name = "BANNER_LAST_UPDATED")
  private Date              bannerLastUpdated;

  @Column(name = "VISIBILITY")
  public VISIBILITY         visibility;

  @Column(name = "PRIORITY")
  public PRIORITY           priority;

  @Column(name = "GROUP_ID")
  public String             groupId;

  @Column(name = "URL")
  public String             url;

  @Column(name = "TEMPLATE")
  private String            template;

  @Temporal(TemporalType.TIMESTAMP)
  @Column(name = "CREATED_DATE", nullable = false)
  private Date              createdDate      = new Date();

  @Temporal(TemporalType.TIMESTAMP)
  @Column(name = "UPDATED_DATE", nullable = false)
  private Date              updatedDate      = new Date();

  public Long getId() {
    return id;
  }

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

  public Set<AppEntity> getApp() {
    return app;
  }

  public void setApp(Set<AppEntity> app) {
    this.app = app;
  }

  public String getPrettyName() {
    return prettyName;
  }

  public void setPrettyName(String prettyName) {
    this.prettyName = prettyName;
  }

  public String getDisplayName() {
    return displayName;
  }

  public void setDisplayName(String displayName) {
    this.displayName = displayName;
  }

  public REGISTRATION getRegistration() {
    return registration;
  }

  public void setRegistration(REGISTRATION registration) {
    this.registration = registration;
  }

  public String getDescription() {
    return description;
  }

  public void setDescription(String description) {
    this.description = description;
  }

  public Date getAvatarLastUpdated() {
    return avatarLastUpdated;
  }

  public void setAvatarLastUpdated(Date avatarLastUpdated) {
    this.avatarLastUpdated = avatarLastUpdated;
  }

  public Date getBannerLastUpdated() {
    return bannerLastUpdated;
  }

  public void setBannerLastUpdated(Date bannerLastUpdated) {
    this.bannerLastUpdated = bannerLastUpdated;
  }

  public VISIBILITY getVisibility() {
    return visibility;
  }

  public void setVisibility(VISIBILITY visibility) {
    this.visibility = visibility;
  }

  public PRIORITY getPriority() {
    return priority;
  }

  public void setPriority(PRIORITY priority) {
    this.priority = priority;
  }

  public String getGroupId() {
    return groupId;
  }

  public void setGroupId(String groupId) {
    this.groupId = groupId;
  }

  public String getUrl() {
    return url;
  }

  public void setUrl(String url) {
    this.url = url;
  }

  public Date getCreatedDate() {
    return createdDate;
  }

  public void setCreatedDate(Date createdDate) {
    this.createdDate = createdDate;
  }

  public Date getUpdatedDate() {
    return updatedDate;
  }

  public void setUpdatedDate(Date updatedDate) {
    this.updatedDate = updatedDate;
  }

  public String getTemplate() {
    return template;
  }

  public void setTemplate(String template) {
    this.template = template;
  }

  public Set<SpaceMemberEntity> getMembers() {
    return members;
  }

  public void setMembers(Set<SpaceMemberEntity> members) {
    this.members = members;
  }
  
  public Set<GroupSpaceBindingEntity> getSpaceBindingEntities() {
    return spaceBindingEntities;
  }
  
  public void setSpaceBindingEntities(Set<GroupSpaceBindingEntity> spaceBindingEntities) {
    this.spaceBindingEntities = spaceBindingEntities;
  }
  
  public Set<GroupSpaceBindingReportActionEntity> getSpaceBindingReportEntities() {
    return spaceBindingReportEntities;
  }
  
  public void setSpaceBindingReportEntities(Set<GroupSpaceBindingReportActionEntity> spaceBindingReportEntities) {
    this.spaceBindingReportEntities = spaceBindingReportEntities;
  }
  
  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    SpaceEntity that = (SpaceEntity) o;
    return id.equals(that.id);
  }
  
  @Override
  public int hashCode() {
    return id == null ? 0 : id.intValue();
  }
  
  public static enum VISIBILITY {
    PUBLIC, PRIVATE, HIDDEN
  }

  public static enum PRIORITY {
    HIGH, INTERMEDIATE, LOW
  }

  public static enum REGISTRATION {
    OPEN, VALIDATION, CLOSED
  }
}
