<?php

namespace App\Controllers;

use App\Controllers\BaseController;
use App\DTOs\CertificationDTO;
use App\Traits\LogTrait;
use CodeIgniter\HTTP\DownloadResponse;
use CodeIgniter\HTTP\RedirectResponse;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\Validation\Exceptions\ValidationException;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Reader\Html;
use PhpOffice\PhpSpreadsheet\Writer\Pdf\Mpdf;
use Psr\Log\LoggerInterface;

abstract class CommonController extends BaseController
{
    use LogTrait;
    const ACTION_RESULT = "action_result";
    const ACTION_MESSAGE = "action_message";
    private array $_action_paths = [];
    private array $_viewDatas = [];
    protected $service = null;
    protected $authService = null;
    protected $myCertification = null;
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        parent::initController($request, $response, $logger);
        //로그인관련
        $this->authService = service('myauth');
        $this->myCertification = CertificationDTO::fromByAuthService($this->authService);
    }
    protected function getLayout(): string
    {
        return 'empty';
    }
    final public function addActionPaths(string $path)
    {
        $this->_action_paths[] = $path;
    }
    final public function getActionPaths($isArray = true, $delimeter = DIRECTORY_SEPARATOR): array|string
    {
        return $isArray ? $this->_action_paths : implode($delimeter, $this->_action_paths);
    }
    final public function addViewDatas(string $key, mixed $value)
    {
        $this->_viewDatas[$key] = $value;
    }
    final public function getViewDatas(?string $key = null): mixed
    {
        if ($key === null) {
            return $this->_viewDatas;
        }
        return  $this->_viewDatas[$key] ?? null;
    }
    //공통 필수기능
    protected function doValidation(string $action): array
    {
        $dynamicRules = [];
        foreach ($this->service->getFormRules($action) as $field => $rule) {
            list($field, $rule) = $this->getFormRule($action, $field, $rule);
            $dynamicRules[$field] = $rule;
        }
        //변경할 값 확인 : Upload된 파일 검증시 $this->request->getPOST()보다 먼처 체크필요
        if (!$this->validate($dynamicRules)) {
            throw new \Exception(static::class . "에서 작업 데이터 검증 오류발생\n" . implode(
                "\n",
                $this->validator->getErrors()
            ));
        }
        return $this->validator->getValidated();
    }
    protected function getFormRule(string $action, string $field, string $rule): array
    {
        switch ($field) {
            default:
                break;
        }
        return array($field, $rule);
    }
    protected function action_init_process(string $action): void
    {
        $this->addViewDatas('action', $action);
        $this->addViewDatas('myCertification', $this->myCertification);
        $this->addViewDatas('layout', $this->getLayout());
        $this->addViewDatas('serviceForm', $this->service->getFormService());
        $this->addViewDatas('formFields', $this->service->getFormFields());
        $this->addViewDatas('formFilters', $this->service->getFormFilters());
        $this->addViewDatas('formRules', $this->service->getFormRules($action));
        $this->addViewDatas('formOptions', $this->service->getFormOptions($action));
    }
    protected function action_render_process(string $action): void
    {
        $this->addViewDatas('helper', $this->service->getHelper($action, $this->getViewDatas()));
    }
    protected function action_result_process(array $view_paths, string $view_file, array $viewDatas): string
    {
        $lastest_path = array_pop($view_paths); //paths는 마지막을 뺀 앞단까지만 남음
        // ✅ 중간 안내 화면으로
        // return view('posts/success_redirect', [
        //     'message' => '게시글이 성공적으로 등록되었습니다.',
        //     'redirectUrl' => route_to('posts_list')
        // ]);
        // 중요한 작업 (결제 완료, 오류 등) → “로딩 페이지(View)”로 안내 후 JS redirect
        $full_path = implode(DIRECTORY_SEPARATOR, [
            ...$view_paths,
            $this->request->getVar('ActionTemplate') ?? $lastest_path,
            $view_file
        ]);
        $view_datas = [
            'control' => $viewDatas,
            'forms'   => ['attributes' => ['method' => "post",], 'hiddens' => []],
        ];
        helper(['form', __FUNCTION__]);
        return view($full_path, ['viewDatas' => $view_datas]);
    }
    protected function create_form_process(): void {}
    final public function create_form(): string
    {
        $action = __FUNCTION__;
        try {
            //초기화
            $this->action_init_process($action);
            $this->create_form_process();
            $this->action_render_process($action);
            // dd($this->getViewDatas());
        } catch (\Exception $e) {
            log_message('error', $e->getMessage());
            $this->addViewDatas(self::ACTION_RESULT, 'error');
            $this->addViewDatas(self::ACTION_MESSAGE, $e->getMessage());
            //오류발생시 리디렉션 대신 폼 뷰를 다시 렌더링하도록 action_view_process 호출
        }
        return $this->action_result_process(
            $this->getActionPaths(),
            $action,
            $this->getViewDatas()
        );
    }
    abstract protected function create_process(): RedirectResponse;
    final public function create(): RedirectResponse
    {
        $action = __FUNCTION__;
        try {
            //초기화
            $this->action_init_process($action);
            return $this->create_process();
        } catch (ValidationException $e) {
            // 검증 실패 시 폼으로 돌아가서 오류 메시지 표시
            log_message('error', $e->getMessage());
            return redirect()->back()->withInput()->with('errors', $e->getMessage());
        } catch (\Exception $e) {
            log_message('error', $e->getMessage());
            return redirect()->back()->withInput()->with('error', $e->getMessage());
        }
    }
    abstract protected function modify_form_process($uid): mixed;
    final public function modify_form($uid): string
    {
        $action = __FUNCTION__;
        try {
            //초기화
            $this->action_init_process($action);
            $entity = $this->modify_form_process($uid);
            $this->addViewDatas('entity', $entity);
            $this->action_render_process($action);
            // dd($this->getViewDatas());
        } catch (\Exception $e) {
            log_message('error', $e->getMessage());
            $this->addViewDatas(self::ACTION_RESULT, 'error');
            $this->addViewDatas(self::ACTION_MESSAGE, $e->getMessage());
            //오류발생시 리디렉션 대신 폼 뷰를 다시 렌더링하도록 action_view_process 호출
        }
        return $this->action_result_process(
            $this->getActionPaths(),
            $action,
            $this->getViewDatas()
        );
    }
    //리스트관련
    //조건절 처리
    // protected function index_condition_process(): void
    // {
    //     //Filter조건절 처리
    //     $index_filters = [];
    //     foreach ($this->service->getFormFilters() as $field) {
    //         $value = $this->request->getVar($field) ?? null;
    //         if ($value) {
    //             $this->service->index_condition_filterField($field, $value);
    //             $index_filters[$field] = $value;
    //         }
    //     }
    //     $this->index_filters = $$index_filters;
    //     //검색어조건절 처리
    //     $index_word = $this->request->getVar('index_word');
    //     if ($index_word !== null && $index_word !== '') {
    //         $this->service->index_condition_filterWord($index_word);
    //     }
    //     $this->index_word = $index_word;
    //     //날자검색
    //     $index_start  = $this->request->getVar('index_start');
    //     $index_end  = $this->request->getVar('index_end');
    //     if ($index_start !== null && $index_start !== '' && $index_end !== null && $index_end !== '') {
    //         $this->service->index_condition_filterDate($index_start, $index_end);
    //     }
    //     $this->service->setControlDatas('index_start', $index_start);
    //     $this->service->setControlDatas('index_end', $index_end);
    // }
    // //PageNation 처리
    // protected function index_pagenation_process($pager_group = 'default', int $segment = 0, $template = 'bootstrap_full')
    // {
    //     //Page, Per_page필요부분
    //     $this->page = (int) $this->request->getVar('page') ?: 1;
    //     $this->per_page = (int) $this->request->getVar('per_page') ?: intval(DEFAULT_LIST_PERPAGE ?? 20);
    //     // 1.Views/Pagers/에 bootstrap_full.php,bootstrap_simple.php 생성
    //     // 2.app/Config/Pager.php/$templates에 'bootstrap_full => 'Pagers\bootstrap_full',
    //     // 'bootstrap_simple' => 'Pagers\bootstrap_simple', 추가
    //     $pager = service("pager");
    //     $pager->makeLinks($this->page, $this->per_page, $this->total_count, $template, $segment, $pager_group);
    //     $this->page = $pager->getCurrentPage($pager_group);
    //     $this->total_page = $pager->getPageCount($pager_group);
    //     return $pager->links($pager_group, $template);
    // }
    // //Page출력 처리
    // protected function index_pageOptions_process(): array
    // {
    //     $page_options = ["" => "줄수선택"];
    //     for ($i = $this->per_page; $i <= $this->total_count; $i += $this->per_page) {
    //         $page_options[$i] = $i;
    //     }
    //     $page_options[$this->total_count] = $this->total_count;
    //     return $page_options;
    // }
    // //Entities처리
    // protected function index_process(array $entities = []): array
    // {
    //     foreach ($this->service->getEntities() as $entity) {
    //         $entities[] = $entity;
    //     }
    //     return $entities;
    // }
    // public function index(): RedirectResponse|string
    // {
    //     try {
    //         $this->service->setAction(__FUNCTION__);
    //         $this->service->setFormFields();
    //         //전달값정의
    //         $this->service->setFormDatas($this->request->getGet());
    //         $this->service->setFormFilters();
    //         $this->service->setFormRules();
    //         $this->service->setFormOptions();
    //         //일괄작업용 Fields정의
    //         $this->service->setControlDatas('batchjob_fields', $this->service->getBatchjobFields());
    //         //일괄작업용 버튼정의
    //         $this->service->setControlDatas('batchjob_buttions', $this->service->getBatchjobButtons());
    //         helper(['form']);
    //         //Return Url정의
    //         $this->getMyAuth()->pushCurrentUrl($this->request->getUri()->getPath() . ($this->request->getUri()->getQuery() ? "?" . $this->request->getUri()->getQuery() : ""));
    //         //조건절 처리
    //         $this->index_condition_process();
    //         //TotalCount (SoftDelete적용이 되려면 countAllResults를 사용해야함)
    //         $this->total_count = $this->service->getTotalCount();
    //         //Pagination 처리
    //         $this->pagination = $this->index_pagenation_process();
    //         //줄수 처리용
    //         $this->page_options = $this->index_pageOptions_process();
    //         //조건절 처리
    //         //OrcerBy , Limit 처리
    //         $this->order_field = $this->request->getVar('order_field');
    //         $this->order_value = $this->request->getVar('order_value');
    //         $this->service->setOrderBy($this->order_field, $this->order_value);
    //         $this->service->setLimit($this->per_page);
    //         $this->service->setOffset(($this->page - 1) * $this->per_page);
    //         $this->index_condition_process();
    //         $this->entities = $this->index_process();
    //         return $this->getResultSuccess();
    //     } catch (\Exception $e) {
    //         return $this->getResultFail($e->getMessage());
    //     }
    // }
}