<?php

namespace App\Services;

use App\DTOs\UserDTO;
use App\Entities\UserEntity;
use App\Forms\UserForm;
use App\Helpers\UserHelper;
use App\Models\UserModel;
use RuntimeException;

class UserService extends CommonService
{
    private $_form = null;
    private $_helper = null;
    public function __construct(UserModel $model)
    {
        parent::__construct($model);
        $this->addClassPaths('User');
    }
    public function createDTO(array $formDatas): UserDTO
    {
        return new UserDTO($formDatas);
    }
    public function getFormService(): UserForm
    {
        if ($this->_form === null) {
            $this->_form = new UserForm();
            $this->_form->setAttributes([
                'pk_field'         => $this->model->getPKField(),
                'title_field'      => $this->model->getTitleField(),
                'table'            => $this->model->getTable(),
                'useAutoIncrement' => $this->model->useAutoIncrement(),
                'class_path' => $this->getClassPaths(false)
            ]);
        }
        return $this->_form;
    }
    public function getHelper(): UserHelper
    {
        if ($this->_helper === null) {
            $this->_helper = new UserHelper();
            $this->_helper->setAttributes([
                'pk_field'         => $this->model->getPKField(),
                'title_field'      => $this->model->getTitleField(),
                'table'            => $this->model->getTable(),
                'useAutoIncrement' => $this->model->useAutoIncrement(),
                'class_path' => $this->getClassPaths(false)
            ]);
        }
        return $this->_helper;
    }
    public function action_init_process(string $action): void
    {
        $fields          = [
            'id',
            'passwd',
            'confirmpassword',
            'name',
            'email',
            'mobile',
            'role'
        ];
        $filters         = ['role', 'status'];
        $indexFilter     = $filters;
        $batchjobFilters = ['status'];
        switch ($action) {
            case 'create':
            case 'create_form':
                break;
            case 'modify':
            case 'modify_form':
                $fields = [...$fields, 'status'];
                break;
            case 'view':
                $fields = ['id', 'name', 'email', 'mobile', 'role', 'status', 'created_at'];
                break;
            case 'index':
            case 'download':
                $fields = ['id', 'name', 'email', 'mobile', 'role', 'status', 'created_at'];
                break;
        }
        $this->getFormService()->setFormFields($fields);
        $this->getFormService()->setFormRules($action, $fields);
        $this->getFormService()->setFormFilters($filters);
        $this->getFormService()->setFormOptions($filters);
        $this->getFormService()->setIndexFilters($indexFilter);
        $this->getFormService()->setBatchjobFilters($batchjobFilters);
    }
    //기본 기능부분
    protected function getEntity_process(mixed $entity): UserEntity
    {
        return $entity;
    }
    protected function create_process(array $formDatas): UserEntity
    {
        //confirmpassword 필드는 Entity에 필요없으므로 제거
        if (isset($formDatas['confirmpassword'])) {
            unset($formDatas['confirmpassword']);
        }
        return new UserEntity($formDatas);
    }
    public function create(object $dto): UserEntity
    {
        if (!$dto instanceof UserDTO) {
            throw new RuntimeException(__METHOD__ . "에서 오류발생:" . get_class($dto) . "는 사용할수 없습니다.");
        }
        return parent::create($dto);
    }
    protected function modify_process($uid, array $formDatas): UserEntity
    {
        //confirmpassword 필드는 Entity에 필요없으므로 제거
        if (isset($formDatas['confirmpassword'])) {
            unset($formDatas['confirmpassword']);
        }
        return parent::modify_process($uid, $formDatas);
    }
    public function modify($uid, object $dto): UserEntity
    {
        if (!$dto instanceof UserDTO) {
            throw new RuntimeException(__METHOD__ . "에서 오류발생:" . get_class($dto) . "는 사용할수 없습니다.");
        }
        return parent::modify($uid, $dto);
    }
    //List 검색용
    //FormFilter 조건절 처리
    public function setFilter(string $field, mixed $filter_value): void
    {
        switch ($field) {
            case 'role':
                //FIND_IN_SET()은 MySQL 함수이므로 CodeIgniter가 이를 일반 컬럼명으로 착각하고 escape하게 되면 오류가 발생
                // 따라서 ->where($sql, null, false)로 명시하여 escape를 꺼줘야 정상 작동
                $where = "FIND_IN_SET(" . $this->model->escape($filter_value) . ", {$this->model->getTable()}.{$field}) > 0";
                $this->model->where($where, null, false);
                break;
            default:
                parent::setFilter($field, $filter_value);
                break;
        }
    }
    //검색어조건절처리
    public function setSearchWord(string $word): void
    {
        $this->model->orLike($this->model->getTable() . '.id', $word, 'both');
        $this->model->orLike($this->model->getTable() . '.email', $word, 'both');
        parent::setSearchWord($word);
    }
}