<?php

namespace App\Controllers;

use CodeIgniter\Controller;
use CodeIgniter\HTTP\CLIRequest;
use CodeIgniter\HTTP\IncomingRequest;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use CodeIgniter\HTTP\Files\UploadedFile;
use Psr\Log\LoggerInterface;
use App\Libraries\Log\Log;
use App\Models\UserModel;

/**
 * Class BaseController
 *
 * BaseController provides a convenient place for loading components
 * and performing functions that are needed by all your controllers.
 * Extend this class in any new controllers:
 *     class Home extends BaseController
 *
 * For security be sure to declare any new methods as protected or private.
 */
abstract class BaseController extends Controller
{
    /**
     * Instance of the main Request object.
     *
     * @var CLIRequest|IncomingRequest
     */
    protected $request;

    /**
     * An array of helpers to be loaded automatically upon
     * class instantiation. These helpers will be available
     * to all other controllers that extend BaseController.
     *
     * @var array
     */
    protected $helpers = ['Common'];

    /**
     * Be sure to declare properties for any property fetch you initialized.
     * The creation of dynamic property is deprecated in PHP 8.2.
     */
    // protected $session;

    /**
     * Constructor.
     */
    private $_userModel = null;
    private $_user_uids = array();
    protected $_model = null;
    protected $_className = '';
    protected $_viewPath = '';
    protected $_viewDatas = array();
    protected $_session = null;
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        // Do Not Edit This Line
        parent::initController($request, $response, $logger);

        // Preload any models, libraries, etc, here.

        // E.g.: $this->session = \Config\Services::session();
        $this->_session = \Config\Services::session();
        $this->_viewDatas = [
            'layout' => LAYOUTS['empty'],
            'title' => ''
        ];

        //로그인정보처리
        $this->_viewDatas[SESSION_NAMES['ISLOGIN']] = $this->_session->get(SESSION_NAMES['ISLOGIN']);
        if ($this->_viewDatas[SESSION_NAMES['ISLOGIN']]) {
            $this->_viewDatas[SESSION_NAMES['AUTH']] = $this->_session->get(SESSION_NAMES['AUTH']);
        }
    }

    //User모델
    final protected function getUserModel(): UserModel
    {
        return is_null($this->_userModel) ? new UserModel() : $this->_userModel;
    }

    //Field별 Form Option용
    protected function getFieldFormOption(string $field): array
    {
        switch ($field) {
            case 'user_uid':
                $options = $this->_user_uids = $this->_user_uids ?: $this->getUserModel()->getFieldFormOptions(['status' => 'use']);
                break;
            default:
                $options = lang($this->_className . '.' . strtoupper($field));
                break;
        }
        if (!is_array($options)) {
            throw new \Exception(__FUNCTION__ . "에서 {$this->_className}의 Field:{$field}의 FormOptionData가 array가 아닙니다.\n" . var_export($options, true));
        }
        return $options;
    }
    //Field별 Form Option용
    final protected function getFieldFormOptions(array $fields): array
    {
        $fieldFormOptions = array();
        foreach ($fields as $field) {
            if (!is_string($field)) {
                throw new \Exception(__FUNCTION__ . "에서 {$this->_className}의 Field:{$field}가 string 아닙니다.\n" . var_export($fields, true));
            }
            $fieldFormOptions[$field] = $this->getFieldFormOption($field);
        }
        return $fieldFormOptions;
    }

    //Field별 Form Datas 처리용
    protected function getFieldFormData(string $field, $entity = null): array
    {
        switch ($field) {
            default:
                $this->_viewDatas['fieldDatas'][$field] = $this->request->getVar($field);
                break;
        }
        return $this->_viewDatas['fieldDatas'];
    }

    //Upload FIle관련
    protected function upload_file_process(UploadedFile $upfile)
    {
        $fileName = null;
        if ($upfile->isValid() && !$upfile->hasMoved()) {
            $originName = $upfile->getName();
            $upfile->move(WRITEPATH . PATHS['UPLOAD'], $upfile->getRandomName());
            //move시 중복된파일명이 있다면 파일명이 바뀌므로 여기서 한번더 파일명 확인 필요
            $fileName = $originName . "||" . $upfile->getName();
        }
        return $fileName;
    }
    protected function single_upload_procedure(string $field, $entity = null)
    {
        if ($upfile = $this->request->getFile($field)) {
            return $this->upload_file_process($upfile);
        }
    }
    protected function multiple_upload_procedure(string $field, $entity = null): array
    {
        //Multiple파일의경우 html에서는 필드명[]를 넣어야하며
        //rule에서 "uploaded[필드명.0]|is_image[필드명]~~" 이런식으로 넣어야함
        $fileNames = array();
        if ($upfiles = $this->request->getFiles()) {
            foreach ($upfiles[$field] as $upfile) {
                if ($upfile->isValid() && !$upfile->hasMoved()) {
                    $fileName = $this->upload_file_process($upfile);
                    array_push(
                        $this->_viewDatas['fieldDatas'][$field],
                        $fileName
                    );
                }
            }
        }
        return $fileNames;
    }

    //Insert관련
    final public function insert_form()
    {
        try {
            $this->_viewDatas['fields'] = $this->_model->getFields('insert');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'insert');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $this->_viewDatas['fieldFormOptions'] = $this->getFieldFormOptions($this->_viewDatas['fieldFilters']);
            $this->_viewDatas['forms'] = ['attributes' => ['method' => "post",], 'hiddens' => []];
            helper(['form']);
            return view($this->_viewPath . '/insert', $this->_viewDatas);
        } catch (\Exception $e) {
            return alert_CommonHelper($e->getMessage(), 'back');
        }
    }

    protected function insert_validate()
    {
        $this->_viewDatas['fieldDatas'] = array();
        //변경할 값 확인
        if (!$this->validate($this->_viewDatas['fieldRules'])) {
            throw new \Exception("{$this->_viewDatas['title']}의 검증 오류발생\n" . implode("\n", $this->validator->getErrors()));
        }
        //변경된 값 적용
        foreach ($this->_viewDatas['fields'] as $field) {
            $this->_viewDatas['fieldDatas'] = $this->getFieldFormData($field);
            log_message("info", "{$field} : " . var_export($this->_viewDatas['fieldDatas'][$field], true));
        }
        // echo var_export($this->_viewDatas['fields'], true);
        // echo "<HR>";
        // echo var_export($this->_viewDatas['fieldDatas'], true);
        // echo "<HR>";
        // echo var_export($this->_viewDatas['fieldRules'], true);
        // exit;
    }
    protected function insert_process()
    {
        return $this->_model->create($this->_viewDatas['fieldDatas']);
    }
    public function insert()
    {
        $message = "";
        try {
            $this->_viewDatas['fields'] = $this->_model->getFields('insert');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'insert');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $this->insert_validate();
            $this->insert_process();
            $message = __FUNCTION__ . " 완료하였습니다.";
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            //session->setTempdata의 기능은 3초간 success에 message를 보관후 사라짐
            //$this->_session->setTempdata('success', 'Page updated successfully', 3);
            return alert_CommonHelper($message, $this->_session->get(SESSION_NAMES['RETURN_URL']));
        } catch (\Exception $e) {
            $message = __FUNCTION__ . " 실패하였습니다.";
            log_message("warning", $e->getMessage());
            log_message("warning", var_export($this->_viewDatas['fieldDatas'], true));
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return redirect()->back()->withInput()->with("error", $message . "<br>\n{$e->getMessage()}");
        }
    }

    //Update관련
    protected function update_form_process($entity)
    {
        $this->_viewDatas['fieldFormOptions'] = $this->getFieldFormOptions($this->_viewDatas['fieldFilters']);
        $this->_viewDatas['forms'] = ['attributes' => ['method' => "post",], 'hiddens' => []];
        helper(['form']);
        return $entity;
    }
    final public function update_form($uid)
    {
        try {
            $entity = $entity = $this->_model->getEntity([$this->_model->getPrimaryKey() => $uid]);
            $this->_viewDatas['fields'] = $this->_model->getFields('update');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'update');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $this->_viewDatas['entity'] = $this->update_form_process($entity);
            return view($this->_viewPath . '/update', $this->_viewDatas);
        } catch (\Exception $e) {
            return alert_CommonHelper($e->getMessage(), 'back');
        }
    }
    protected function update_validate($entity)
    {
        //변경된 값 적용
        $this->_viewDatas['fieldDatas'] = array();
        //변경할 값 확인
        if (!$this->validate($this->_viewDatas['fieldRules'])) {
            throw new \Exception("{$this->_viewDatas['title']}의 검증 오류발생\n" . implode("\n", $this->validator->getErrors()));
        }
        foreach ($this->_viewDatas['fields'] as $field) {
            $this->_viewDatas['fieldDatas'] = $this->getFieldFormData($field, $entity);
            log_message(
                "info",
                "{$field} : {$entity->$field} => " . var_export($this->_viewDatas['fieldDatas'][$field])
            );
        }
        return $entity;
    }
    protected function update_process($entity)
    {
        return $this->_model->modify($entity, $this->_viewDatas['fieldDatas']);
    }
    public function update($uid)
    {
        $message = "";
        try {
            $entity = $entity = $this->_model->getEntity([$this->_model->getPrimaryKey() => $uid]);
            $this->_viewDatas['fields'] = $this->_model->getFields('update');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'update');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $entity = $this->update_validate($entity);
            $entity = $this->update_process($entity);
            $message = "{$entity->getTitle()} " . __FUNCTION__ . " 완료하였습니다.";
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message, $this->_session->get(SESSION_NAMES['RETURN_URL']));
        } catch (\Exception $e) {
            $message = __FUNCTION__ . " 실패하였습니다.";
            log_message("warning", $e->getMessage());
            log_message("warning", var_export($this->_viewDatas['fieldDatas'], true));
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return redirect()->back()->withInput()->with("error", $message . "<br>\n{$e->getMessage()}");
        }
    }


    //Toggle 관련
    protected function toggle_validate($entity)
    {
        return $this->update_validate($entity);
    }
    protected function toggle_process($entity)
    {
        return $this->update_process($entity);
    }
    public function toggle($uid, string $field)
    {
        $message = "";
        try {
            $entity = $entity = $this->_model->getEntity([$this->_model->getPrimaryKey() => $uid]);
            $this->_viewDatas['fields'] = [$field];
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'toggle');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $entity = $this->toggle_validate($entity);
            $entity = $this->toggle_process($entity);
            $message = "{$entity->getTitle()} " . __FUNCTION__ . " 완료하였습니다.";
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message, $this->_session->get(SESSION_NAMES['RETURN_URL']));
        } catch (\Exception $e) {
            $message = __FUNCTION__ . " 실패하였습니다.";
            log_message("warning", $e->getMessage());
            log_message("warning", var_export($this->_viewDatas['fieldDatas'], true));
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message . "<br>\n{$e->getMessage()}", 'back');
        }
    }
    //Batchjob 관련
    protected function batchjob_validate($entity)
    {
        return $this->update_validate($entity);
    }
    protected function batchjob_process($entity)
    {
        return $this->update_process($entity);
    }
    public function batchjob()
    {
        $uids = $this->request->getVar('batchjob_uids');
        if (is_null($uids) || !is_array($uids) || !count($uids)) {
            return alert_CommonHelper($this->_viewDatas['title'] . '에서 변경할 항목(uid)이 선택되지 않았습니다.', 'back');
        }
        $message = "";
        try {
            //fields 해당하는 field중 선택된 값이 있는경우만 fields로 정의
            $fields = array();
            foreach ($this->_model->getFieldBatchFilters() as $field) {
                if ($this->request->getVar($field)) {
                    array_push($fields, $field);
                }
            }
            if (!is_array($fields) || count($fields) === 0) {
                throw new \Exception($this->_viewDatas['title'] . '에서 변경할 항목(field)이 선택되지 않았습니다.');
            }
            //Fields,FielRules재정의
            $this->_viewDatas['fields'] = $fields;
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'batchjob');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $entitys = array();
            foreach ($uids as $uid) {
                $entity = $entity = $this->_model->getEntity([$this->_model->getPrimaryKey() => $uid]);
                try {
                    $entity = $this->batchjob_validate($entity);
                    array_push($entitys, $this->batchjob_process($entity));
                } catch (\Exception $e) {
                    log_message("warning", "{$entity->getTitle()}는 다음과 같은 이유로 수정되지 않았습니다.\n<br>" . $e->getMessage());
                }
            }
            $message = "총: " . count($entitys) . "개의 수정(Batchjob)을 완료하였습니다.";
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message, $this->_session->get(SESSION_NAMES['RETURN_URL']));
        } catch (\Exception $e) {
            $message = "총: " . count($uids) . "개의 수정(Batchjob)을 실패하였습니다.";
            log_message("warning", $e->getMessage());
            log_message("warning", var_export($this->_viewDatas['fieldDatas'], true));
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message . "<br>\n{$e->getMessage()}", 'back');
        }
    }

    //Delete 관련
    protected function delete_process($entity)
    {
        if (!$this->_model->delete($entity->getPrimaryKey())) {
            log_message("error", __FUNCTION__ . "에서 호출:" . $this->_model->getLastQuery());
            log_message("error", implode("\n", $this->_model->errors()));
            throw new \Exception(__FUNCTION__ . " 오류 발생.\n" . var_export($this->_model->errors(), true));
        }
        return $entity;
    }
    public function delete($uid)
    {
        $message = "";
        try {
            $entity = $entity = $this->_model->getEntity([$this->_model->getPrimaryKey() => $uid]);
            $this->delete_process($entity);
            $message = "{$entity->getTitle()} " . __FUNCTION__ . " 완료하였습니다.";
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message, $this->_session->get(SESSION_NAMES['RETURN_URL']));
        } catch (\Exception $e) {
            $message = __FUNCTION__ . " 실패하였습니다.";
            log_message("warning", $e->getMessage());
            log_message("info", "{$this->_viewDatas['title']} {$message}");
            return alert_CommonHelper($message . "<br>\n{$e->getMessage()}", 'back');
        }
    }

    //View 관련
    protected function view_process($entity)
    {
        return $entity;
    }
    public function view($uid)
    {
        try {
            $entity = $this->_model->getEntity([$this->_model->getPrimaryKey() => $uid]);
            $this->_viewDatas['fields'] = $this->_model->getFields('view');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'view');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            helper(['form']);
            $this->_viewDatas['fieldFormOptions'] = $this->getFieldFormOptions($this->_viewDatas['fieldFilters']);
            $this->_viewDatas['forms'] = ['attributes' => ['method' => "post",], 'hiddens' => []];
            $this->_viewDatas['entity'] =  $this->view_process($entity);
            return view($this->_viewPath . '/view', $this->_viewDatas);
        } catch (\Exception $e) {
            return alert_CommonHelper($e->getMessage(), 'back');
        }
    }

    //Index 관련
    //index 모델 전처리
    protected function index_setCondition()
    {
        foreach ($this->_viewDatas['fieldFilters'] as $field) {
            $value = $this->request->getVar($field) ?: false;
            if ($value) {
                $this->_model->where($field, $value);
            }
        }
        $word = $this->request->getVar('word') ?: '';
        if (isset($word) && $word !== '') {
            $this->_model->setIndexWordFilter($word);
        }
        $start = $this->request->getVar('start') ?: '';
        $end = $this->request->getVar('end') ?: '';
        if (isset($start) && $start !== '' && isset($end) && $end !== '') {
            $this->_model->setIndexDateFilter($start, $end);
        }
    }
    protected function index_getEntitys(int $page = 0, int $per_page = 0): array
    {
        //Totalcount 처리
        $this->index_setCondition();
        $this->_viewDatas['total_count'] = $this->_model->countAllResults();
        //Rows 처리
        $this->index_setCondition();
        //OrderBy
        $order_field = $this->request->getVar('order_field') ?: 'uid';
        $order_value = $this->request->getVar('order_value') ?: 'DESC';
        $this->_model->setIndexOrderBy($order_field, $order_value);
        //Limit
        $entitys = $per_page ? $this->_model->findAll($per_page, $page * $per_page - $per_page) : $this->_model->findAll();
        // log_message("debug", __METHOD__ . "에서 호출[{$per_page}:{$page}=>{$page}*{$per_page}-{$per_page}]\n" . $this->_model->getLastQuery());
        return $entitys;
    }
    private function index_getPagination($pager_group = 'default', int $segment = 0, $template = 'bootstrap_full'): string
    {
        // 1.Views/Pagers/에 bootstrap_full.php,bootstrap_simple.php 생성
        // 2.app/Config/Pager.php/$templates에 'bootstrap_full => 'Pagers\bootstrap_full',
        // 'bootstrap_simple' => 'Pagers\bootstrap_simple', 추가
        $pager = \Config\Services::pager();
        // $this->_model->paginate($this->_viewDatas['per_page'], $pager_group, $this->_viewDatas['page'], $segment);
        $pager->makeLinks(
            $this->_viewDatas['page'],
            $this->_viewDatas['per_page'],
            $this->_viewDatas['total_count'],
            $template,
            $segment,
            $pager_group
        );
        $this->_viewDatas['page'] = $pager->getCurrentPage($pager_group);
        $this->_viewDatas['total_page'] = $pager->getPageCount($pager_group);
        return $pager->links($pager_group, $template);
    }
    protected function index_process()
    {
        //모델 처리
        $this->_viewDatas['entitys'] = $this->index_getEntitys((int)$this->_viewDatas['page'], (int)$this->_viewDatas['per_page']);
        //줄수 처리용
        $this->_viewDatas['pageOptions'] = array("" => "줄수선택");
        for ($i = 10; $i <= $this->_viewDatas['total_count'] + $this->_viewDatas['per_page']; $i += 10) {
            $this->_viewDatas['pageOptions'][$i] = $i;
        }
        //pagenation 처리
        $this->_viewDatas['pagination'] = $this->index_getPagination();
    }
    public function index()
    {
        try {
            $this->_viewDatas['fields'] = $this->_model->getFields('index');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'index');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $this->_viewDatas['batchjobFilters'] = $this->_model->getFieldBatchFilters();
            helper(['form']);
            $this->_viewDatas['fieldFormOptions'] = $this->getFieldFormOptions($this->_viewDatas['fieldFilters']);
            $this->_viewDatas['forms'] = ['attributes' => ['method' => "post",], 'hiddens' => []];
            $this->_session->set(SESSION_NAMES['RETURN_URL'], current_url() . '?' . $this->request->getUri()->getQuery());
            foreach ($this->_viewDatas['fieldFilters'] as $field) {
                $this->_viewDatas[$field] = $this->request->getVar($field) ?: DEFAULTS['EMPTY'];
            }
            $this->_viewDatas['word'] = $this->request->getVar('word') ?: '';
            $this->_viewDatas['start'] = $this->request->getVar('start') ?: '';
            $this->_viewDatas['end'] = $this->request->getVar('end') ?: '';
            $this->_viewDatas['order_field'] = $this->request->getVar('order_field') ?: 'uid';
            $this->_viewDatas['order_value'] = $this->request->getVar('order_value') ?: 'DESC';
            $this->_viewDatas['page'] = $this->request->getVar('page') ?: 1;
            $this->_viewDatas['per_page'] = $this->request->getVar('per_page') ?: DEFAULTS['PERPAGE'];
            $this->_viewDatas['uri'] = $this->request->getUri();
            $this->index_process();
            return view($this->_viewPath . '/index', $this->_viewDatas);
        } catch (\Exception $e) {
            return alert_CommonHelper($e->getMessage(), 'back');
        }
    }

    //Excel 관련
    protected function excel_spreadSheet()
    {
        //Excepl 초기화
        $spreadsheet = new \PhpOffice\PhpSpreadsheet\Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();
        //Header용
        $column = 'A';
        foreach ($this->_viewDatas['fields'] as $field) {
            $sheet->setCellValue($column++ . '1', lang($this->_className . '.label.' . $field));
        }
        //본문용
        $line = 2;
        foreach ($this->index_getEntitys() as $entity) {
            $column = 'A';
            foreach ($this->_viewDatas['fields'] as $field) {
                $value = in_array($field, $this->_viewDatas['fieldFilters']) ? $this->_viewDatas['fieldFormOptions'][$field][$entity->$field] : $entity->$field;
                $sheet->setCellValue($column . $line, $value);
                $column++;
            }
            $line++;
        }
        return $spreadsheet;
    }
    protected function excel_process()
    {
        $fileName = date('Y-m-d_Hm') . '.xlsx';
        $writer = \PhpOffice\PhpSpreadsheet\IOFactory::createWriter($this->excel_spreadSheet(), 'Xlsx');
        //결과파일저장
        $writer->save(PATHS['EXCEL'] . '/' . $fileName);
        //Download시
        header("Content-Type: application/vnd.ms-excel");
        header(sprintf("Content-Disposition: attachment; filename=%s", urlencode($fileName)));
        header("Expires: 0");
        header("Cache-Control: must-revalidate");
        header("Pragma: public");
        header("Content-Length:" . filesize(PATHS['EXCEL'] . '/' . $fileName));
        // flush();
        // return readfile(PATHS['EXCEL'] . '/' . $fileName);
        return $writer->save('php://output');
    }
    public function excel()
    {
        try {
            $this->_viewDatas['fields'] = $this->_model->getFields('excel');
            $this->_viewDatas['fieldRules'] = $this->_model->getFieldRules($this->_viewDatas['fields'], 'excel');
            $this->_viewDatas['fieldFilters'] = $this->_model->getFieldFilters();
            $this->_viewDatas['batchjobFilters'] = $this->_model->getFieldBatchFilters();
            $this->_viewDatas['fieldFormOptions'] = $this->getFieldFormOptions($this->_viewDatas['fieldFilters']);
            return $this->excel_process();
        } catch (\Exception $e) {
            return alert_CommonHelper($e->getMessage(), 'back');
        }
    }
}