<?php

namespace App\Services\Equipment;

use App\DTOs\Equipment\ServerDTO;
use App\Entities\Customer\ServiceEntity;
use App\Entities\Equipment\ServerEntity;
use App\Forms\Equipment\ServerForm;
use App\Helpers\Equipment\ServerHelper;
use App\Models\Equipment\ServerModel;
use RuntimeException;

class ServerService extends EquipmentService
{
    protected string $formClass = ServerForm::class;
    protected string $helperClass = ServerHelper::class;

    public function __construct(ServerModel $model)
    {
        parent::__construct($model);
        $this->addClassPaths('Server');
    }

    public function getDTOClass(): string
    {
        return ServerDTO::class;
    }

    public function createDTO(array $formDatas): ServerDTO
    {
        return new ServerDTO($formDatas);
    }

    public function getEntityClass(): string
    {
        return ServerEntity::class;
    }

    //총서버금액
    final public function getCalculatedAmount(int $uid): int
    {
        $entity = $this->getEntity($uid);
        if (!$entity instanceof ServerEntity) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$uid} 서버 정보를 찾을수 없습니다.");
        }

        $serverPartService = service('equipment_serverpartservice');
        $caculatedAmount = $entity->getPrice();

        foreach ($serverPartService->getEntities(['serverinfo_uid' => $entity->getPK(), 'billing' => PAYMENT['BILLING']['MONTH']]) as $serverPartEntity) {
            $caculatedAmount += $serverPartEntity->getCalculatedAmount();
        }
        return $caculatedAmount;
    }

    protected function getEntity_process(mixed $entity): ServerEntity
    {
        return $entity;
    }

    protected function create_process(array $formDatas): ServerEntity
    {
        $entity = parent::create_process($formDatas);
        if (!$entity instanceof ServerEntity) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생:Return Type은 ServerEntity만 가능");
        }

        if ($entity->getIP()) {
            service('part_ipservice')->attachToServer($entity);
        }
        if ($entity->getSwitchInfoUid()) {
            service('part_switchservice')->attachToServer($entity);
        }

        service('equipment_chassisservice')->attachToServer($entity);
        service('equipment_serverpartservice')->attachToServer($entity);

        return $entity;
    }

    protected function modify_process($entity, array $formDatas): ServerEntity
    {
        if (!array_key_exists('chassisinfo_uid', $formDatas)) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . '에서 오류발생: 샷시정보가 정의되지 않았습니다.');
        }

        $oldEntity = clone $entity;

        $entity = parent::modify_process($entity, $formDatas);
        if (!$entity instanceof ServerEntity) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생:Return Type은 ServerEntity만 가능");
        }

        if ($oldEntity->getIP() !== $entity->getIP()) {
            service('part_ipservice')->detachFromServer($oldEntity);
            if ($entity->getIP() !== null) {
                service('part_ipservice')->attachToServer($entity);
            }
        }

        if ($oldEntity->getSwitchInfoUid() !== $entity->getSwitchInfoUid()) {
            service('part_switchservice')->detachFromServer($oldEntity);
            if ($entity->getSwitchInfoUid() !== null) {
                service('part_switchservice')->attachToServer($entity);
            }
        }

        if ($oldEntity->getChassisInfoUid() !== $entity->getChassisInfoUid()) {
            service('equipment_chassisservice')->detachFromServer($oldEntity);
            if ($entity->getChassisInfoUid() !== null) {
                service('equipment_chassisservice')->attachToServer($entity);
            }
        }

        // ✅ 서비스 유지중이면 정상 동기화 (해지 시는 deatchFromService에서 따로 처리)
        if ($entity->getServiceInfoUid() !== null) {
            $serviceEntity = service('customer_serviceservice')->getEntity($entity->getServiceInfoUid());
            if (!$serviceEntity instanceof ServiceEntity) {
                throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$entity->getServiceInfoUid()}에 해당하는 서비스정보을 찾을수 없습니다.");
            }
            service('customer_serviceservice')->recalcAmountAndSyncPayment($serviceEntity);
        }

        return $entity;
    }

    public function setSearchWord(string $word): void
    {
        $this->model->orLike($this->model->getTable() . '.ip', $word, 'both');
        $this->model->orLike($this->model->getTable() . '.ilo_ip', $word, 'both');
        parent::setSearchWord($word);
    }

    public function attatchToService(ServiceEntity $serviceEntity, $uid, array $formDatas = []): void
    {
        $entity = $this->getEntity($uid);
        if (!$entity instanceof ServerEntity) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$uid}에 해당하는 서버정보을 찾을수 없습니다.");
        }

        $formDatas['serviceinfo_uid'] = $serviceEntity->getPK();
        $formDatas["clientinfo_uid"] = $serviceEntity->getClientInfoUid();
        $formDatas['status'] = $formDatas['status'] ?? STATUS['OCCUPIED'];

        parent::modify_process($entity, $formDatas);
    }

    //해지처리 (중요: server.serviceinfo_uid == null 이후에 ServerPart detach 호출)
    public function deatchFromService($uid, array $formDatas = []): void
    {
        $entity = $this->getEntity($uid);
        if (!$entity instanceof ServerEntity) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$uid}에 해당하는 서버정보을 찾을수 없습니다.");
        }

        // ✅ 분리 전 서비스 스냅샷
        $oldServiceEntity = null;
        $serviceUid = $entity->getServiceInfoUid();
        if ($serviceUid) {
            $svc = service('customer_serviceservice')->getEntity($serviceUid);
            if ($svc instanceof ServiceEntity) {
                $oldServiceEntity = clone $svc;
            }
        }

        // 파트 detach(네트워크 자원)
        if ($entity->getIP()) {
            service('part_ipservice')->detachFromServer($entity);
        }
        if ($entity->getSwitchInfoUid()) {
            service('part_switchservice')->detachFromServer($entity);
        }

        // ✅ 먼저 서버를 서비스에서 분리 (serviceinfo_uid=null)
        $formDatas['serviceinfo_uid'] = null;
        $formDatas["clientinfo_uid"] = null;
        $formDatas["switchinfo_uid"] = null;
        $formDatas["ip"] = null;
        $formDatas['status'] = $formDatas['status'] ?? STATUS['AVAILABLE'];

        $entity = parent::modify_process($entity, $formDatas);
        if (!$entity instanceof ServerEntity) {
            throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생:Return Type은 ServerEntity만 가능");
        }

        // ✅ 이제 server.serviceinfo_uid == null 상태이므로 정책 발동:
        // - MONTH 파트 삭제
        // - 월 미납 payment는 삭제/0원수정 금지, status=TERMINATED
        // - ONETIME 미납 삭제는 보류
        service('equipment_serverpartservice')->detachFromServer($entity, $oldServiceEntity);
    }
}