<?php

/**
 * Chill is a software for social workers.
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 *
 * @see https://www.champs-libres.coop/
 */

declare(strict_types=1);

namespace Chill\PersonBundle\Entity;

use Chill\MainBundle\Entity\Address;
use Chill\MainBundle\Entity\Center;
use Chill\MainBundle\Entity\Country;
use Chill\MainBundle\Entity\HasCenterInterface;
use DateTime;
use DateTimeImmutable;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use Exception;
use Symfony\Component\Validator\Context\ExecutionContextInterface;

use function count;
use function in_array;

/**
 * Person Class.
 *
 * @ORM\Entity(repositoryClass="Chill\PersonBundle\Repository\PersonRepository")
 * @ORM\Table(name="chill_person_person",
 *     indexes={@ORM\Index(
 *         name="person_names",
 *         columns={"firstName", "lastName"}
 *     )})
 *     @ORM\HasLifecycleCallbacks
 */
class Person implements HasCenterInterface
{
    public const BOTH_GENDER = 'both';

    // have days in commun
    public const ERROR_ADDIND_PERIOD_AFTER_AN_OPEN_PERIOD = 2; // where there exist

    public const ERROR_PERIODS_ARE_COLLAPSING = 1; // when two different periods

    public const FEMALE_GENDER = 'woman';

    public const MALE_GENDER = 'man';

    /**
     * The person's accompanying periods (when the person was accompanied by the center).
     *
     * @var Collection
     *
     * @ORM\OneToMany(targetEntity=AccompanyingPeriodParticipation::class,
     *     mappedBy="person",
     * cascade={"persist", "remove", "merge", "detach"})
     */
    private $accompanyingPeriodParticipations;

    /**
     * Addresses.
     *
     * @var Collection
     *
     * @ORM\ManyToMany(
     *     targetEntity="Chill\MainBundle\Entity\Address",
     * cascade={"persist", "remove", "merge", "detach"})
     * @ORM\JoinTable(name="chill_person_persons_to_addresses")
     * @ORM\OrderBy({"validFrom": "DESC"})
     */
    private $addresses;

    /**
     * @var Collection
     *
     * @ORM\OneToMany(
     *     targetEntity="Chill\PersonBundle\Entity\PersonAltName",
     *     mappedBy="person",
     *     cascade={"persist", "remove", "merge", "detach"},
     * orphanRemoval=true)
     */
    private $altNames;

    /**
     * The person's birthdate.
     *
     * @var DateTime
     *
     * @ORM\Column(type="date", nullable=true)
     */
    private $birthdate; //to change in birthdate

    /**
     * The person's center.
     *
     * @var Center
     *
     * @ORM\ManyToOne(targetEntity="Chill\MainBundle\Entity\Center")
     * @ORM\JoinColumn(nullable=false)
     */
    private $center;

    /**
     * Array where customfield's data are stored.
     *
     * @var array
     *
     * @ORM\Column(type="json_array")
     */
    private $cFData;

    /**
     * Contact information for contacting the person.
     *
     * @var string
     *
     * @ORM\Column(type="text", nullable=true)
     */
    private $contactInfo = '';

    /**
     * The person's country of birth.
     *
     * @var Country
     *
     * @ORM\ManyToOne(targetEntity="Chill\MainBundle\Entity\Country")
     *
     *     sf4 check: option inversedBy="birthsIn" return error mapping !!
     *
     * @ORM\JoinColumn(nullable=true)
     */
    private $countryOfBirth;

    /**
     * The person's email.
     *
     * @var string
     *
     * @ORM\Column(type="text", nullable=true)
     */
    private $email = '';

    /**
     * The person's first name.
     *
     * @var string
     *
     * @ORM\Column(type="string", length=255)
     */
    private $firstName;

    /**
     * @var string
     *
     * @ORM\Column(type="text", nullable=true)
     */
    private $fullnameCanonical;

    /**
     * The person's gender.
     *
     * @var string
     *
     * @ORM\Column(type="string", length=9, nullable=true)
     */
    private $gender;

    /**
     * The person's id.
     *
     * @var int
     *
     * @ORM\Id
     * @ORM\Column(name="id", type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * The person's last name.
     *
     * @var string
     *
     * @ORM\Column(type="string", length=255)
     */
    private $lastName;

    /**
     * The marital status of the person.
     *
     * @var MaritalStatus
     *
     * @ORM\ManyToOne(targetEntity="Chill\PersonBundle\Entity\MaritalStatus")
     * @ORM\JoinColumn(nullable=true)
     */
    private $maritalStatus;

    /**
     * A remark over the person.
     *
     * @var string
     *
     * @ORM\Column(type="text")
     */
    private $memo = ''; // TO-CHANGE in remark

    /**
     * The person's mobile phone number.
     *
     * @var string
     *
     * @ORM\Column(type="text", length=40, nullable=true)
     */
    private $mobilenumber = '';

    /**
     * The person's nationality.
     *
     * @var Country
     *
     * @ORM\ManyToOne(targetEntity="Chill\MainBundle\Entity\Country")
     *
     *    sf4 check: option inversedBy="nationals" return error mapping !!
     *
     * @ORM\JoinColumn(nullable=true)
     */
    private $nationality;

    /**
     * @var Collection
     *
     * @ORM\OneToMany(
     *     targetEntity="Chill\PersonBundle\Entity\PersonPhone",
     *     mappedBy="person",
     *     cascade={"persist", "remove", "merge", "detach"},
     *     orphanRemoval=true
     * )
     */
    private $otherPhoneNumbers;

    /**
     * The person's phonenumber.
     *
     * @var string
     *
     * @ORM\Column(type="text", length=40, nullable=true)
     */
    private $phonenumber = '';

    /**
     * The person's place of birth.
     *
     * @var string
     *
     * @ORM\Column(type="string", length=255, name="place_of_birth")
     */
    private $placeOfBirth = '';

    /**
     * @var bool
     *
     * @deprecated
     *
     * @ORM\Column(type="boolean")
     */
    private $proxyAccompanyingPeriodOpenState = false; //TO-DELETE ?

    //TO-ADD caseOpeningDate
    //TO-ADD nativeLanguag

    /**
     * The person's spoken languages.
     *
     * @var ArrayCollection
     *
     * @ORM\ManyToMany(targetEntity="Chill\MainBundle\Entity\Language")
     * @ORM\JoinTable(
     *     name="persons_spoken_languages",
     *     joinColumns={@ORM\JoinColumn(name="person_id", referencedColumnName="id")},
     *     inverseJoinColumns={@ORM\JoinColumn(name="language_id", referencedColumnName="id")}
     * )
     */
    private $spokenLanguages;

    /**
     * Person constructor.
     */
    public function __construct(?DateTime $opening = null)
    {
        $this->accompanyingPeriodParticipations = new ArrayCollection();
        $this->spokenLanguages = new ArrayCollection();
        $this->addresses = new ArrayCollection();
        $this->altNames = new ArrayCollection();
        $this->otherPhoneNumbers = new ArrayCollection();

        if (null === $opening) {
            $opening = new DateTime();
        }

        $this->open(new AccompanyingPeriod($opening));
    }

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

    /**
     * Add AccompanyingPeriodParticipation.
     *
     * @uses AccompanyingPeriod::addPerson
     */
    public function addAccompanyingPeriod(AccompanyingPeriod $accompanyingPeriod): self
    {
        $participation = new AccompanyingPeriodParticipation($accompanyingPeriod, $this);
        $this->accompanyingPeriodParticipations->add($participation);

        return $this;
    }

    /**
     * @return $this
     */
    public function addAddress(Address $address)
    {
        $this->addresses[] = $address;

        return $this;
    }

    /**
     * @return $this
     */
    public function addAltName(PersonAltName $altName)
    {
        if (false === $this->altNames->contains($altName)) {
            $this->altNames->add($altName);
            $altName->setPerson($this);
        }

        return $this;
    }

    /**
     * @return $this
     */
    public function addOtherPhoneNumber(PersonPhone $otherPhoneNumber)
    {
        if (false === $this->otherPhoneNumbers->contains($otherPhoneNumber)) {
            $otherPhoneNumber->setPerson($this);
            $this->otherPhoneNumbers->add($otherPhoneNumber);
        }

        return $this;
    }

    // a period opened and another one after it

    /**
     * Function used for validation that check if the accompanying periods of
     * the person are not collapsing (i.e. have not shared days) or having
     * a period after an open period.
     *
     * @return true | array True if the accompanying periods are not collapsing,
     * an array with data for displaying the error
     */
    public function checkAccompanyingPeriodsAreNotCollapsing()
    {
        $periods = $this->getAccompanyingPeriodsOrdered();
        $periodsNbr = count($periods);
        $i = 0;

        while ($periodsNbr - 1 > $i) {
            $periodI = $periods[$i];
            $periodAfterI = $periods[$i + 1];

            if ($periodI->isOpen()) {
                return [
                    'result' => self::ERROR_ADDIND_PERIOD_AFTER_AN_OPEN_PERIOD,
                    'dateOpening' => $periodAfterI->getOpeningDate(),
                    'dateClosing' => $periodAfterI->getClosingDate(),
                    'date' => $periodI->getOpeningDate(),
                ];
            }

            if ($periodI->getClosingDate() >= $periodAfterI->getOpeningDate()) {
                return [
                    'result' => self::ERROR_PERIODS_ARE_COLLAPSING,
                    'dateOpening' => $periodI->getOpeningDate(),

                    'dateClosing' => $periodI->getClosingDate(),
                    'date' => $periodAfterI->getOpeningDate(),
                ];
            }
            ++$i;
        }

        return true;
    }

    /**
     * Set the Person file as closed at the given date.
     *
     * For update a closing date, you should update AccompanyingPeriod instance
     * directly.
     *
     * To check if the Person and its accompanying period are consistent, use validation.
     *
     * @throws Exception if two lines of the accompanying period are open.
     */
    public function close(?AccompanyingPeriod $accompanyingPeriod = null): void
    {
        $this->proxyAccompanyingPeriodOpenState = false;
    }

    /**
     * This public function is the same but return only true or false.
     */
    public function containsAccompanyingPeriod(AccompanyingPeriod $accompanyingPeriod): bool
    {
        return ($this->participationsContainAccompanyingPeriod($accompanyingPeriod)) ? false : true;
    }

    /**
     * Get AccompanyingPeriodParticipations Collection.
     */
    public function getAccompanyingPeriodParticipations(): Collection
    {
        return $this->accompanyingPeriodParticipations;
    }

    /**
     * Get AccompanyingPeriods array.
     */
    public function getAccompanyingPeriods(): array
    {
        $accompanyingPeriods = [];

        foreach ($this->accompanyingPeriodParticipations as $participation) {
            /** @var AccompanyingPeriodParticipation $participation */
            $accompanyingPeriods[] = $participation->getAccompanyingPeriod();
        }

        return $accompanyingPeriods;
    }

    /**
     * Get the accompanying periods of a give person with the chronological order.
     */
    public function getAccompanyingPeriodsOrdered(): array
    {
        $periods = $this->getAccompanyingPeriods();

        //order by date :
        usort($periods, static function ($a, $b) {
            $dateA = $a->getOpeningDate();
            $dateB = $b->getOpeningDate();

            if ($dateA === $dateB) {
                $dateEA = $a->getClosingDate();
                $dateEB = $b->getClosingDate();

                if ($dateEA === $dateEB) {
                    return 0;
                }

                if ($dateEA < $dateEB) {
                    return -1;
                }

                return +1;
            }

            if ($dateA < $dateB) {
                return -1;
            }

            return 1;
        });

        return $periods;
    }

    /**
     * By default, the addresses are ordered by date, descending (the most
     * recent first).
     *
     * @return \Chill\MainBundle\Entity\Address[]
     */
    public function getAddresses()
    {
        return $this->addresses;
    }

    public function getAltNames(): Collection
    {
        return $this->altNames;
    }

    /**
     * Get birthdate.
     *
     * @return DateTime
     */
    public function getBirthdate()
    {
        return $this->birthdate;
    }

    /**
     * Get center.
     *
     * @return Center
     */
    public function getCenter()
    {
        return $this->center;
    }

    /**
     * Get cFData.
     *
     * @return array
     */
    public function getCFData()
    {
        if (null === $this->cFData) {
            $this->cFData = [];
        }

        return $this->cFData;
    }

    /**
     * Get contactInfo.
     *
     * @return string
     */
    public function getcontactInfo()
    {
        return $this->contactInfo;
    }

    /**
     * Get countryOfBirth.
     *
     * @return Chill\MainBundle\Entity\Country
     */
    public function getCountryOfBirth()
    {
        return $this->countryOfBirth;
    }

    /**
     * Returns the opened accompanying period.
     *
     * @deprecated since 1.1 use `getOpenedAccompanyingPeriod instead
     */
    public function getCurrentAccompanyingPeriod(): AccompanyingPeriod
    {
        return $this->getOpenedAccompanyingPeriod();
    }

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

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

    public function getFullnameCanonical(): string
    {
        return $this->fullnameCanonical;
    }

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

    /**
     * return gender as a Numeric form.
     * This is used for translations.
     *
     * @return int
     */
    public function getGenderNumeric()
    {
        if ($this->getGender() === self::FEMALE_GENDER) {
            return 1;
        }

        return 0;
    }

    /**
     * Get id.
     *
     * @return int
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * @return string
     */
    public function getLabel()
    {
        return $this->getFirstName() . ' ' . $this->getLastName();
    }

    /**
     * @return null
     */
    public function getLastAddress(?DateTime $date = null)
    {
        if (null === $date) {
            $date = new DateTime('now');
        }

        $addresses = $this->getAddresses();

        if (null === $addresses) {
            return null;
        }

        return $addresses->first();
    }

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

    /**
     * Get maritalStatus.
     *
     * @return MaritalStatus
     */
    public function getMaritalStatus()
    {
        return $this->maritalStatus;
    }

    /**
     * Get memo.
     *
     * @return string
     */
    public function getMemo()
    {
        return $this->memo;
    }

    /**
     * Get mobilenumber.
     *
     * @return string
     */
    public function getMobilenumber()
    {
        return $this->mobilenumber;
    }

    /**
     * Get nationality.
     *
     * @return Chill\MainBundle\Entity\Country
     */
    public function getNationality()
    {
        return $this->nationality;
    }

    /**
     * Return the opened accompanying period.
     */
    public function getOpenedAccompanyingPeriod(): ?AccompanyingPeriod
    {
        if ($this->isOpen() === false) {
            return null;
        }

        foreach ($this->accompanyingPeriodParticipations as $participation) {
            /** @var AccompanyingPeriodParticipation $participation */
            if ($participation->getAccompanyingPeriod()->isOpen()) {
                return $participation->getAccompanyingPeriod();
            }
        }
    }

    public function getOtherPhoneNumbers(): Collection
    {
        return $this->otherPhoneNumbers;
    }

    /**
     * Get phonenumber.
     *
     * @return string
     */
    public function getPhonenumber()
    {
        return $this->phonenumber;
    }

    /**
     * Get placeOfBirth.
     *
     * @return string
     */
    public function getPlaceOfBirth()
    {
        return $this->placeOfBirth;
    }

    /**
     * Get spokenLanguages.
     *
     * @return ArrayCollection
     */
    public function getSpokenLanguages()
    {
        return $this->spokenLanguages;
    }

    /**
     * Return true if the person has two addresses with the
     * same validFrom date (in format 'Y-m-d').
     */
    public function hasTwoAdressWithSameValidFromDate()
    {
        $validYMDDates = [];

        foreach ($this->addresses as $ad) {
            $validDate = $ad->getValidFrom()->format('Y-m-d');

            if (in_array($validDate, $validYMDDates, true)) {
                return true;
            }
            $validYMDDates[] = $validDate;
        }

        return false;
    }

    /**
     * Validation callback that checks if the accompanying periods are valid.
     *
     * This method add violation errors.
     */
    public function isAccompanyingPeriodValid(ExecutionContextInterface $context)
    {
        $r = $this->checkAccompanyingPeriodsAreNotCollapsing();

        if (true !== $r) {
            if (self::ERROR_PERIODS_ARE_COLLAPSING === $r['result']) {
                $context->buildViolation('Two accompanying periods have days in commun')
                    ->atPath('accompanyingPeriods')
                    ->addViolation();
            }

            if (self::ERROR_ADDIND_PERIOD_AFTER_AN_OPEN_PERIOD === $r['result']) {
                $context->buildViolation('A period is opened and a period is added after it')
                    ->atPath('accompanyingPeriods')
                    ->addViolation();
            }
        }
    }

    /**
     * Validation callback that checks if the addresses are valid (do not have
     * two addresses with the same validFrom date).
     *
     * This method add violation errors.
     */
    public function isAddressesValid(ExecutionContextInterface $context)
    {
        if ($this->hasTwoAdressWithSameValidFromDate()) {
            $context
                ->buildViolation('Two addresses has the same validFrom date')
                ->atPath('addresses')
                ->addViolation();
        }
    }

    /**
     * Check if the person is opened.
     */
    public function isOpen(): bool
    {
        foreach ($this->getAccompanyingPeriods() as $period) {
            if ($period->isOpen()) {
                return true;
            }
        }

        return false;
    }

    /**
     * set the Person file as open at the given date.
     *
     * For updating a opening's date, you should update AccompanyingPeriod instance
     * directly.
     *
     * For closing a file, @see this::close
     *
     * To check if the Person and its accompanying period is consistent, use validation.
     */
    public function open(AccompanyingPeriod $accompanyingPeriod): void
    {
        $this->proxyAccompanyingPeriodOpenState = true;
        $this->addAccompanyingPeriod($accompanyingPeriod);
    }

    /**
     * Remove AccompanyingPeriod.
     */
    public function removeAccompanyingPeriod(AccompanyingPeriod $accompanyingPeriod): void
    {
        $participation = $this->participationsContainAccompanyingPeriod($accompanyingPeriod);

        if (!null === $participation) {
            $participation->setEndDate(DateTimeImmutable::class);
            $this->accompanyingPeriodParticipations->removeElement($participation);
        }
    }

    public function removeAddress(Address $address)
    {
        $this->addresses->removeElement($address);
    }

    /**
     * @return $this
     */
    public function removeAltName(PersonAltName $altName)
    {
        if ($this->altNames->contains($altName)) {
            $altName->setPerson(null);
            $this->altNames->removeElement($altName);
        }

        return $this;
    }

    /**
     * @return $this
     */
    public function removeOtherPhoneNumber(PersonPhone $otherPhoneNumber)
    {
        if ($this->otherPhoneNumbers->contains($otherPhoneNumber)) {
            $this->otherPhoneNumbers->removeElement($otherPhoneNumber);
        }

        return $this;
    }

    /**
     * @return $this
     */
    public function setAltNames(Collection $altNames)
    {
        $this->altNames = $altNames;

        return $this;
    }

    /**
     * Set birthdate.
     *
     * @param DateTime $birthdate
     *
     * @return Person
     */
    public function setBirthdate($birthdate)
    {
        $this->birthdate = $birthdate;

        return $this;
    }

    /**
     * Set the center.
     *
     * @return \Chill\PersonBundle\Entity\Person
     */
    public function setCenter(Center $center)
    {
        $this->center = $center;

        return $this;
    }

    /**
     * Set cFData.
     *
     * @param array $cFData
     *
     * @return Report
     */
    public function setCFData($cFData)
    {
        $this->cFData = $cFData;

        return $this;
    }

    /**
     * Set contactInfo.
     *
     * @param string $contactInfo
     *
     * @return Person
     */
    public function setcontactInfo($contactInfo)
    {
        if (null === $contactInfo) {
            $contactInfo = '';
        }

        $this->contactInfo = $contactInfo;

        return $this;
    }

    /**
     * Set countryOfBirth.
     *
     * @param Chill\MainBundle\Entity\Country $countryOfBirth
     *
     * @return Person
     */
    public function setCountryOfBirth(?Country $countryOfBirth = null)
    {
        $this->countryOfBirth = $countryOfBirth;

        return $this;
    }

    /**
     * Set email.
     *
     * @param string $email
     *
     * @return Person
     */
    public function setEmail($email)
    {
        if (null === $email) {
            $email = '';
        }

        $this->email = $email;

        return $this;
    }

    /**
     * Set firstName.
     *
     * @param string $firstName
     *
     * @return Person
     */
    public function setFirstName($firstName)
    {
        $this->firstName = $firstName;

        return $this;
    }

    public function setFullnameCanonical($fullnameCanonical): Person
    {
        $this->fullnameCanonical = $fullnameCanonical;

        return $this;
    }

    /**
     * Set gender.
     *
     * @param string $gender
     *
     * @return Person
     */
    public function setGender($gender)
    {
        $this->gender = $gender;

        return $this;
    }

    /**
     * Set lastName.
     *
     * @param string $lastName
     *
     * @return Person
     */
    public function setLastName($lastName)
    {
        $this->lastName = $lastName;

        return $this;
    }

    /**
     * Set maritalStatus.
     *
     * @param MaritalStatus $maritalStatus
     *
     * @return Person
     */
    public function setMaritalStatus(?MaritalStatus $maritalStatus = null)
    {
        $this->maritalStatus = $maritalStatus;

        return $this;
    }

    /**
     * Set memo.
     *
     * @param string $memo
     *
     * @return Person
     */
    public function setMemo($memo)
    {
        if (null === $memo) {
            $memo = '';
        }

        if ($this->memo !== $memo) {
            $this->memo = $memo;
        }

        return $this;
    }

    /**
     * Set mobilenumber.
     *
     * @param string $mobilenumber
     *
     * @return Person
     */
    public function setMobilenumber($mobilenumber = '')
    {
        $this->mobilenumber = $mobilenumber;

        return $this;
    }

    /**
     * Set nationality.
     *
     * @param Chill\MainBundle\Entity\Country $nationality
     *
     * @return Person
     */
    public function setNationality(?Country $nationality = null)
    {
        $this->nationality = $nationality;

        return $this;
    }

    /**
     * @return $this
     */
    public function setOtherPhoneNumbers(Collection $otherPhoneNumbers)
    {
        $this->otherPhoneNumbers = $otherPhoneNumbers;

        return $this;
    }

    /**
     * Set phonenumber.
     *
     * @param string $phonenumber
     *
     * @return Person
     */
    public function setPhonenumber($phonenumber = '')
    {
        $this->phonenumber = $phonenumber;

        return $this;
    }

    /**
     * Set placeOfBirth.
     *
     * @param string $placeOfBirth
     *
     * @return Person
     */
    public function setPlaceOfBirth($placeOfBirth)
    {
        if (null === $placeOfBirth) {
            $placeOfBirth = '';
        }

        $this->placeOfBirth = $placeOfBirth;

        return $this;
    }

    /**
     * Set spokenLanguages.
     *
     * @param type $spokenLanguages
     *
     * @return Person
     */
    public function setSpokenLanguages($spokenLanguages)
    {
        $this->spokenLanguages = $spokenLanguages;

        return $this;
    }

    /**
     * This private function scan accompanyingPeriodParticipations Collection,
     * searching for a given AccompanyingPeriod.
     */
    private function participationsContainAccompanyingPeriod(AccompanyingPeriod $accompanyingPeriod): ?AccompanyingPeriodParticipation
    {
        foreach ($this->accompanyingPeriodParticipations as $participation) {
            /** @var AccompanyingPeriodParticipation $participation */
            if ($participation->getAccompanyingPeriod() === $accompanyingPeriod) {
                return $participation;
            }
        }

        return null;
    }
}