<?php

namespace App\Controllers;

use App\Controllers\BaseController;
use App\DTOs\AuthDTO;
use App\Services\CommonService;
use App\Traits\LogTrait;
use CodeIgniter\HTTP\DownloadResponse;
use CodeIgniter\HTTP\RedirectResponse;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\Validation\Validation;
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;
    protected $authService = null;
    protected $service = null;
    protected $myAuth = null;
    protected $action = null;
    protected array $_paths = [];
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        parent::initController($request, $response, $logger);
        //로그인관련
        $this->authService = service('myauth');
        $this->myAuth = AuthDTO::fromByAuthService($this->authService);
    }
    final public function getPaths(): array
    {
        return $this->_paths;
    }
    final 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();
    }
    //공통 필수기능
    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, array $viewDatas = []): array
    {
        $viewDatas['action'] = $action;
        $viewDatas['view_paths'] = $this->getPaths();
        $viewDatas['view_file'] = $this->request->getVar('ActionTemplate') ?? $viewDatas['action'];
        $viewDatas['formFields'] = $this->service->getFormFields();
        $viewDatas['formFilters'] = $this->service->getFormFilters();
        $viewDatas['formRules']   = $this->service->getFormRules($viewDatas['action']);
        $viewDatas['formOptions'] = $this->service->getFormOptions($viewDatas['action']);
        if (array_key_exists('formDatas', $viewDatas)) {
            $viewDatas['formDatas'] = [];
        }
        return $viewDatas;
    }
    protected function action_post_process(string $action, array $viewDatas): string|RedirectResponse
    {
        $view_paths = array_key_exists('view_paths', $viewDatas) ? $viewDatas['paths'] : $this->getPaths();
        $lastest_path = array_pop($view_paths); //paths는 마지막을 뺀 앞단까지만 남음
        switch ($action) {
            case 'create_form':
            case 'modify_form':
                // ✅ 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,
                    array_key_exists('view_file', $viewDatas) ? $viewDatas['view_file'] : $action
                ]);
                $view_datas = [
                    'control' => $viewDatas,
                    'forms'   => ['attributes' => ['method' => "post",], 'hiddens' => []],
                ];
                helper(['form', __FUNCTION__]);
                $result = view($full_path, ['viewDatas' => $view_datas]);
                break;
            default:
                // ✅ Flashdata로 성공 메시지 저장
                // 일반 CRUD (create/update/delete) → Flashdata + redirect()
                session()->setFlashdata('success', array_key_exists('message', $viewDatas) ?: static::class . "/{$action}이 완료되었습니다.");
                $result = redirect()->route(
                    implode(DIRECTORY_SEPARATOR, $view_paths)
                );
                break;
        }
        return $result;
    }
    protected function create_form_process(array $viewDatas): array
    {
        return $viewDatas;
    }
    public function create_form(): string|RedirectResponse
    {
        try {
            //초기화
            $action = __FUNCTION__;
            $viewDatas = ['formDatas' => []];
            $viewDatas = $this->action_init_process($action, $viewDatas);
            $viewDatas = $this->create_form_process($viewDatas);
            return $this->action_post_process($action, $viewDatas);
        } catch (\Exception $e) {
            $viewDatas['error'] = $e->getMessage();
            //리디렉션 대신 폼 뷰를 다시 렌더링하도록 form_post_process 호출
            return $this->action_post_process($action, $viewDatas);
        }
    }
    protected function create_process(string $action, array $viewDatas): string|RedirectResponse
    {
        $this->doValidation($action);
        return $this->action_post_process($action, $viewDatas);
    }
    public function create(): string|RedirectResponse
    {
        try {
            //초기화
            $action = __FUNCTION__;
            $viewDatas = ['formDatas' => $this->request->getPost()];
            $viewDatas = $this->action_init_process($action, $viewDatas);
            return $this->create_process($action, $viewDatas);
        } catch (\Exception $e) {
            return redirect()->back()->withInput()->with('error', $e->getMessage());
        }
    }

    //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());
    //     }
    // }
}