<?php

namespace App\Models;

use CodeIgniter\Model;

abstract class CommonModel extends Model
{
    protected $table            = '';
    protected $primaryKey       = '';
    protected $useAutoIncrement = true;
    protected $returnType       = 'array';

    protected $useSoftDeletes   = false;
    protected $protectFields    = true;
    protected $allowedFields    = [];

    protected bool $allowEmptyInserts = false;
    protected bool $updateOnlyChanged = true;

    protected array $casts = [];
    protected array $castHandlers = [];

    // Dates
    protected $useTimestamps = false;
    protected $dateFormat    = 'datetime';
    protected $createdField  = 'created_at';
    protected $updatedField  = 'updated_at';
    protected $deletedField  = 'deleted_at';

    // Validation
    protected $validationRules      = [];
    protected $validationMessages   = [];
    protected $skipValidation       = false;
    protected $cleanValidationRules = true;

    // Callbacks
    protected $allowCallbacks = true;
    protected $beforeInsert   = [];
    protected $afterInsert    = [];
    protected $beforeUpdate   = [];
    protected $afterUpdate    = [];
    protected $beforeFind     = [];
    protected $afterFind      = [];
    protected $beforeDelete   = [];
    protected $afterDelete    = [];

    protected function __construct() {}

    abstract public function getPK(): string;

    final public function getEntity()
    {
        return $this->asObject($this->returnType)->first();
    }
    final protected function setEntity($entity)
    {
        if ($entity->hasChanged()) {
            if (!$this->save($entity)) {
                throw new \Exception(__FUNCTION__ . " 오류 발생.\n" . var_export($this->errors(), true));
            }
        }
        return $entity;;
    }

    final public function getEntitys(): array
    {
        return $this->asObject($this->returnType)->findAll();
    }

    final protected function save_process($entity)
    {
        // echo var_export($entity, true);
        // exit;
        if ($entity->hasChanged()) {
            if (!$this->save($entity)) {
                log_message("error", __FUNCTION__ . "에서 호출:" . $this->getLastQuery());
                log_message("error", implode("\n", $this->errors()));
                throw new \Exception(__FUNCTION__ . " 오류 발생.\n" . $this->getLastQuery() . "\n" . var_dump($this->errors(), true));
            }
        } else {
            throw new \Exception(__FUNCTION__ . " 오류 발생.\n 기존정보와 동일하여 수정되지 않았습니다.");
        }
        return $entity;
    }

    //create , modify 직전 작업용 작업
    protected function changeFormData(string $action, string $field, array $formDatas, $entity)
    {
        switch ($field) {
                // case "user_uid": //입력데이터로 있을시 관리툴에서 (사용자,등)추가, 없을시는 입력의 경우에만 자동(장바구니,등)으로 추가
                //     if (array_key_exists($field, $formDatas) && !is_null($formDatas[$field])) {
                //         //관리툴 USERSNS에서 사용자 연동 시 추가기능등에 사용
                //         $entity->$field = $formDatas[$field];
                //     } elseif ($action == 'create' && $this->_session->get(SESSION_NAMES["ISLOGIN"])) {
                //         //Front에서 장바구니,게시판등에 추가시 로그온한경우 자동 추가기능등에 사용
                //         $auth = $this->_session->get(SESSION_NAMES["AUTH"]);
                //         $entity->$field =  $auth[AUTH_FIELDS["ID"]];
                //     }
                //     break;
            case "passwd":
                if (array_key_exists($field, $formDatas) && $formDatas[$field]) {
                    $entity->$field = password_hash($formDatas[$field], PASSWORD_DEFAULT);
                }
                break;
            case "content":
                if (array_key_exists($field, $formDatas) && $formDatas[$field]) {
                    $entity->$field = htmlentities($formDatas[$field]);
                }
                break;
            default:
                if (array_key_exists($field, $formDatas) && $formDatas[$field]) {
                    $entity->$field = $formDatas[$field];
                }
                break;
        }
        return $entity;
    }

    protected function create_process($entity, array $formDatas)
    {
        foreach ($this->allowedFields as $field) {
            $entity = $this->changeFormData('create', $field, $formDatas, $entity);
        }
        $entity = $this->save_process($entity);
        //primaryKey가 자동입력이면
        if ($this->useAutoIncrement) {
            $pk = $this->getPK();
            $entity->$pk = $this->insertID();
        }
        return $entity;
    }
    protected function modify_process($entity, array $formDatas)
    {
        $entity->updated_at = time(); //수정한 시간정의
        foreach ($this->allowedFields as $field) {
            $entity = $this->changeFormData('modify', $field, $formDatas, $entity);
        }
        return $this->save_process($entity);
    }
}