<?php namespace models\main;
/**
 * Copyright 2015 OpenStack Foundation
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Criteria;
use Doctrine\ORM\Mapping as ORM;
use models\exceptions\ValidationException;
use models\summit\Summit;
use models\summit\SummitEvent;
use models\summit\SummitEventFeedback;
use models\utils\SilverstripeBaseModel;

/**
 * @ORM\Entity
 * @ORM\Table(name="Member")
 * @ORM\Entity(repositoryClass="repositories\summit\DoctrineMemberRepository")
 * Class Member
 * @package models\main
 */
class Member extends SilverstripeBaseModel
{
    /**
     * Member constructor.
     */
    public function __construct(){
        parent::__construct();
        $this->feedback                = new ArrayCollection();
        $this->groups                  = new ArrayCollection();
        $this->affiliations            = new ArrayCollection();
        $this->team_memberships        = new ArrayCollection();
        $this->favorites_summit_events = new ArrayCollection();
    }

    /**
     * @return Affiliation[]
     */
    public function getAffiliations(){
        return $this->affiliations;
    }

    /**
     * @return Affiliation[]
     */
    public function getCurrentAffiliations(){
        $criteria = Criteria::create()
            ->where(Criteria::expr()->eq("is_current", true))
            ->andWhere(Criteria::expr()->eq("end_date", null))
            ->orderBy([
                "start_date" => Criteria::ASC,
            ]);

        return $this->affiliations->matching($criteria);
    }

    /**
     * @return Group[]
     */
    public function getGroups()
    {
        return $this->groups;
    }

    /**
     * @return ChatTeamMember[]
     */
    public function getTeamMemberships()
    {
        return $this->team_memberships;
    }

    /**
     * @param ChatTeamMember[] $team_memberships
     */
    public function setTeamMemberships($team_memberships)
    {
        $this->team_memberships = $team_memberships;
    }

    /**
     * @param mixed $groups
     */
    public function setGroups($groups)
    {
        $this->groups = $groups;
    }

    /**
     * @ORM\ManyToMany(targetEntity="models\main\Group", inversedBy="members")
     * @ORM\JoinTable(name="Group_Members",
     *      joinColumns={@ORM\JoinColumn(name="MemberID", referencedColumnName="ID")},
     *      inverseJoinColumns={@ORM\JoinColumn(name="GroupID", referencedColumnName="ID")}
     *      )
     * @var Group[]
     */
    private $groups;


    /**
     * @ORM\OneToMany(targetEntity="ChatTeamMember", mappedBy="member", cascade={"persist"}, orphanRemoval=true)
     * @var ChatTeamMember[]
     */
    private $team_memberships;

    /**
     * @return SummitEvent[]
     */
    public function getFavoritesSummitEvents()
    {
        return $this->favorites_summit_events;
    }

    /**
     * @param SummitEvent[] $favorites_summit_events
     */
    public function setFavoritesSummitEvents($favorites_summit_events)
    {
        $this->favorites_summit_events = $favorites_summit_events;
    }

     /**
     * @ORM\ManyToMany(targetEntity="models\summit\SummitEvent")
     * @ORM\JoinTable(name="Member_FavoriteSummitEvents",
     *      joinColumns={@ORM\JoinColumn(name="MemberID", referencedColumnName="ID")},
     *      inverseJoinColumns={@ORM\JoinColumn(name="SummitEventID", referencedColumnName="ID")}
     *      )
     * @var SummitEvent[]
     */
    private $favorites_summit_events;

    /**
     * @return string
     */
    public function getBio()
    {
        return $this->bio;
    }

    /**
     * @return string
     */
    public function getLinkedInProfile()
    {
        return $this->linked_in_profile;
    }

    /**
     * @return string
     */
    public function getIrcHandle()
    {
        return $this->irc_handle;
    }

    /**
     * @return string
     */
    public function getTwitterHandle()
    {
        return $this->twitter_handle;
    }
    /**
     * @ORM\ManyToOne(targetEntity="models\main\File")
     * @ORM\JoinColumn(name="PhotoID", referencedColumnName="ID")
     * @var File
     */
    private $photo;

    /**
     * @ORM\Column(name="FirstName", type="string")
     * @var string
     */
    private $first_name;

    /**
     * @ORM\Column(name="Bio", type="string")
     * @var string
     */
    private $bio;

    /**
     * @ORM\Column(name="State", type="string")
     * @var string
     */
    private $state;

    /**
     * @return string
     */
    public function getState()
    {
        return $this->state;
    }

    /**
     * @param string $state
     */
    public function setState($state)
    {
        $this->state = $state;
    }

    /**
     * @return string
     */
    public function getCountry()
    {
        return $this->country;
    }

    /**
     * @param string $country
     */
    public function setCountry($country)
    {
        $this->country = $country;
    }

    /**
     * @return string
     */
    public function getSecondEmail()
    {
        return $this->second_email;
    }

    /**
     * @param string $second_email
     */
    public function setSecondEmail($second_email)
    {
        $this->second_email = $second_email;
    }

    /**
     * @return string
     */
    public function getThirdEmail()
    {
        return $this->third_email;
    }

    /**
     * @param string $third_email
     */
    public function setThirdEmail($third_email)
    {
        $this->third_email = $third_email;
    }

    /**
     * @ORM\Column(name="Country", type="string")
     * @var string
     */
    private $country;

    /**
     * @ORM\Column(name="Email", type="string")
     * @var string
     */
    private $email;

    /**
     * @ORM\Column(name="SecondEmail", type="string")
     * @var string
     */
    private $second_email;

    /**
     * @ORM\Column(name="ThirdEmail", type="string")
     * @var string
     */
    private $third_email;

    /**
     * @ORM\Column(name="EmailVerified", type="boolean")
     * @var bool
     */
    private $email_verified;

    /**
     * @ORM\Column(name="EmailVerifiedDate", type="datetime")
     * @var \DateTime
     */
    private $email_verified_date;

    /**
     * @return string
     */
    public function getEmail()
    {
        return $this->email;
    }

    /**
     * @param string $email
     */
    public function setEmail($email)
    {
        $this->email = $email;
    }

    /**
     * @return bool
     */
    public function isEmailVerified()
    {
        return $this->email_verified;
    }

    /**
     * @param bool $email_verified
     */
    public function setEmailVerified($email_verified)
    {
        $this->email_verified = $email_verified;
    }

    /**
     * @return \DateTime
     */
    public function getEmailVerifiedDate()
    {
        return $this->email_verified_date;
    }

    /**
     * @param \DateTime $email_verified_date
     */
    public function setEmailVerifiedDate($email_verified_date)
    {
        $this->email_verified_date = $email_verified_date;
    }

    /**
     * @return bool
     */
    public function isActive()
    {
        return $this->active;
    }

    /**
     * @param bool $active
     */
    public function setActive($active)
    {
        $this->active = $active;
    }

    /**
     * @ORM\Column(name="Active", type="boolean")
     * @var bool
     */
    private $active;

    /**
     * @ORM\Column(name="LinkedInProfile", type="string")
     * @var string
     */
    private $linked_in_profile;

    /**
     * @ORM\Column(name="IRCHandle", type="string")
     * @var string
     */
    private $irc_handle;

    /**
     * @ORM\Column(name="TwitterName", type="string")
     * @var string
     */
    private $twitter_handle;

    /**
     * @ORM\Column(name="Gender", type="string")
     * @var string
     */
    private $gender;

    /**
     * @return string
     */
    public function getGender(){
        return $this->gender;
    }

    /**
     * @return string
     */
    public function getLastName()
    {
        return $this->last_name;
    }

    /**
     * @return string
     */
    public function getFirstName()
    {
        return $this->first_name;
    }

    /**
     * @ORM\Column(name="Surname", type="string")
     * @var string
     */
    private $last_name;

    /**
     * @ORM\OneToMany(targetEntity="models\summit\SummitEventFeedback", mappedBy="owner", cascade={"persist"})
     * @var SummitEventFeedback[]
     */
    private $feedback;


    /**
     * @ORM\OneToMany(targetEntity="Affiliation", mappedBy="owner", cascade={"persist"})
     */
    private $affiliations;

    /**
     * @return File
     */
    public function getPhoto()
    {
        return $this->photo;
    }

    /**
     * @param File $photo
     */
    public function setPhoto(File $photo)
    {
        $this->photo = $photo;
    }

    /**
     * @return SummitEventFeedback[]
     */
    public function getFeedback(){
        return $this->feedback;
    }

    /**
     * @param Summit $summit
     * @return SummitEventFeedback[]
     */
    public function getFeedbackBySummit(Summit $summit){
         return $this->createQueryBuilder()
            ->select('distinct f')
            ->from('models\summit\SummitEventFeedback','f')
            ->join('f.event','e')
            ->join('f.owner','o')
            ->join('e.summit','s')
            ->where('s.id = :summit_id and o.id = :owner_id and e.published = 1')
            ->setParameter('summit_id', $summit->getId())
            ->setParameter('owner_id', $this->getId())
            ->getQuery()->getResult();
    }

    /**
     * @param SummitEvent $event
     * @return SummitEventFeedback[]
     */
    public function getFeedbackByEvent(SummitEvent $event){
        return $this->createQueryBuilder()
            ->select('distinct f')
            ->from('models\summit\SummitEventFeedback','f')
            ->join('f.event','e')
            ->join('f.owner','o')
            ->join('e.summit','s')
            ->where('e.id = :event_id and o.id = :owner_id')
            ->setParameter('event_id', $event->getId())
            ->setParameter('owner_id', $this->getId())
            ->getQuery()->getResult();
    }

    /**
     * @return bool
     */
    public function isAdmin(){

        $admin_group = $this->groups->filter(function($entity){
            return $entity->getCode() == Group::AdminGroupCode;
        });

        return !is_null($admin_group) && $admin_group != false && $admin_group->count() > 0;
    }

    /**
     * @return int[]
     */
    public function getGroupsIds(){
        $ids = [];
        foreach ($this->getGroups() as $g){
            $ids[] = intval($g->getId());
        }
        return $ids;
    }

    /**
     * @return string[]
     */
    public function getGroupsCodes(){
        $codes = [];
        foreach ($this->getGroups() as $g){
            $codes[] = $g->getCode();
        }
        return $codes;
    }

    /**
     * @param SummitEvent $event
     * @throws ValidationException
     */
    public function addFavoriteSummitEvent(SummitEvent $event){
        if($this->isOnFavorite($event))
            throw new ValidationException
            (
                sprintf('Event %s already belongs to member %s favorites.', $event->getId(), $this->getId())
            );
        if(!$event->isPublished())
            throw new ValidationException
            (
                sprintf('Event %s is not published', $event->getId())
            );
        $this->favorites_summit_events->add($event);
    }

    /**
     * @param SummitEvent $event
     * @return bool
     */
    public function isOnFavorite(SummitEvent $event){
        $sql = <<<SQL
SELECT COUNT(SummitEventID) AS QTY 
FROM Member_FavoriteSummitEvents 
WHERE MemberID = :member_id AND SummitEventID = :event_id
SQL;

        $stmt = $this->prepareRawSQL($sql);
        $stmt->execute([
            'member_id'   => $this->getId(),
            'event_id'    => $event->getId()
        ]);
        $res = $stmt->fetchAll(\PDO::FETCH_COLUMN);
        return count($res) > 0 ? intval($res[0]) > 0 : false;
    }

    /**
     * @param SummitEvent $event
     * @throws ValidationException
     */
    public function removeFavoriteSummitEvent(SummitEvent $event){
        if(!$this->isOnFavorite($event)){
            throw new ValidationException
            (
                sprintf('Event %s does not belongs to member %s favorites.', $event->getId(), $this->getId())
            );
        }

        $this->favorites_summit_events->removeElement($event);
    }

    /**
     * @return int[]
     */
    public function getFavoritesEventsIds(){
        $sql = <<<SQL
SELECT SummitEventID 
FROM Member_FavoriteSummitEvents 
INNER JOIN SummitEvent ON SummitEvent.ID = Member_FavoriteSummitEvents.SummitEventID
WHERE MemberID = :member_id AND SummitEvent.Published = 1
SQL;

        $stmt = $this->prepareRawSQL($sql);
        $stmt->execute(['member_id' => $this->getId()]);
        return $stmt->fetchAll(\PDO::FETCH_COLUMN);
    }
}