<?php

namespace App\Controllers\Ajax;

use App\Controllers\AbstractCRUDController;
use App\Exceptions\FormValidationException;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Psr\Log\LoggerInterface;

abstract class AjaxController extends AbstractCRUDController
{
    private $_layout = 'front';
    protected $layouts = [];
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        parent::initController($request, $response, $logger);
        $this->addActionPaths($this->_layout);
        $this->layouts = LAYOUTS[$this->_layout];
    }
    protected function action_init_process(string $action, array $formDatas = []): void
    {
        parent::action_init_process($action, $formDatas);
        $this->addViewDatas('layout', $this->layouts);
        $this->addViewDatas('title', $this->getTitle());
        $this->addViewDatas('helper', $this->service->getHelper());
        $this->service->getActionForm()->action_init_process($action, $formDatas);
        $this->addViewDatas('formFields', $this->service->getActionForm()->getFormFields());
        $this->addViewDatas('formRules', $this->service->getActionForm()->getFormRules());
        $this->addViewDatas('formFilters', $this->service->getActionForm()->getFormFilters());
        $this->addViewDatas('formOptions', $this->service->getActionForm()->getFormOptions());
        $this->addViewDatas('index_actionButtons', $this->service->getActionForm()->getActionButtons());
        $this->addViewDatas('index_batchjobFields', $this->service->getActionForm()->getBatchjobFilters());
        $this->addViewDatas('index_batchjobButtons', $this->service->getActionForm()->getBatchjobButtons());
    }

    protected function ok(array $data = [], int $status = 200): ResponseInterface
    {
        return $this->response->setStatusCode($status)->setJSON([
            'ok' => true,
            ...$data,
        ]);
    }

    protected function fail(string $message, int $status = 400, array $extra = []): ResponseInterface
    {
        return $this->response->setStatusCode($status)->setJSON([
            'ok' => false,
            'message' => $message,
            ...$extra,
        ]);
    }

    protected function requireAjax()
    {
        // fetch + X-Requested-With 로 들어오는 경우
        if (!$this->request->isAJAX()) {
            return $this->fail('Invalid request', 400);
        }
        return null;
    }

    protected function handleException(\Throwable $e): ResponseInterface
    {
        if ($e instanceof FormValidationException) {
            // ✅ 필드별 + 전역 메시지
            return $this->fail(
                $e->getMessage() ?: '입력값을 확인해 주세요.',
                422,
                ['errors' => $e->getErrors()]
            );
        }

        log_message('error', '[AJAX] ' . $e->getMessage());

        return $this->fail('처리 중 오류가 발생했습니다.', 500);
    }
}