<?php

namespace App\Services;

use CodeIgniter\HTTP\IncomingRequest;

abstract class CommonService
{
    private $_serviceDatas = [];
    private $_model = null;
    protected ?IncomingRequest $request = null;
    public function __construct(IncomingRequest $_request)
    {
        $this->request = $_request;
    }
    abstract public function getModelClass(): string;
    abstract public function getEntityClass(): string;
    final public function __get($name)
    {
        if (!array_key_exists($name, $this->_serviceDatas)) {
            return null;
        }
        return $this->_serviceDatas[$name];
    }
    final public function __set($name, $value): void
    {
        $this->_serviceDatas[$name] = $value;
    }

    final public function getRequest(): IncomingRequest|null
    {
        return $this->request;
    }
    final public function getModel(): mixed
    {
        if ($this->_model === null) {
            $modelClass = $this->getModelClass();
            $this->_model = new $modelClass();
            // $this->_model->setDebug(true);
        }
        return $this->_model;
    }
    final public function getEntity(): mixed
    {
        return $this->getModel()->first();
    }
    final public function getEntities(array $columns = ['*']): array
    {
        $entitys = [];
        foreach ($this->getModel()->select(implode(',', $columns))->findAll() as $entity) {
            $entitys[$entity->getPK()] = $entity;
        }
        return $entitys;
    } // 
    //FieldForm관련용
    public function getFieldRule(string $action, string $field): string
    {
        if (is_array($field)) {
            throw new \Exception(__FUNCTION__ . "=> field가 array 입니다.\n" . var_export($field, true));
        }
        switch ($field) {
            default:
                $rule = $this->getModel()->getFieldRule($action, $field);
                break;
        }
        return $rule;
    }
    public function getFormFieldOption(string $field, array $options = []): array
    {
        switch ($field) {
            default:
                foreach ($this->getEntities() as $entity) {
                    $options[$entity->getPK()] = $entity->getTitle();
                }
                break;
        }
        // dd($options);
        return $options;
    }
}