<?php

namespace App\Forms;

use App\Entities\CommonEntity;
use RuntimeException;

abstract class CommonForm
{
  private array $_attributes = [];
  private array $_formFields = [];
  private array $_formRules = [];
  private array $_formFilters = [];
  private array $_indexFilters = [];
  private array $_batchjobFilters = [];
  private array $_formOptions = [];
  private array $_actionButtons = ['view' => ICONS['SEARCH'], 'delete' => ICONS['DELETE']];
  private array $_batchjobButtons = ['batchjob' => '일괄처리', 'batchjob_delete' => '일괄삭제'];
  protected function __construct() {}
  final public function setAttributes(array $attributes): void
  {
    $this->_attributes = $attributes;
  }
  final public function getAttribute(string $key): string
  {
    if (!array_key_exists($key, $this->_attributes)) {
      throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: {$key}에 해당하는 속성이 정의되지 않았습니다.");
    }
    return $this->_attributes[$key];
  }
  final public function setFormFields(array $fields): void
  {
    foreach ($fields as $field) {
      $this->_formFields[$field] = $this->getFormFieldLabel($field);
    }
  }
  //$fields 매치된것만 반환, []->전체
  final public function getFormFields(array $fields = []): array
  {
    if (empty($fields)) {
      return $this->_formFields;
    }
    // _formFields와 키를 비교하여 교집합을 반환합니다. $fields에 지정된 필드 정의만 추출됩니다.
    return array_intersect_key($this->_formFields, array_flip($fields));
  }
  final public function setFormRules(string $action, array $fields, $formRules = []): void
  {
    foreach ($fields as $field) {
      $formRules[$field] = $formRules[$field] ?? $this->getFormRule($action, $field);
    }
    $this->_formRules = $formRules;
  }
  final public function getFormRules(array $fields = []): array
  {
    if (empty($fields)) {
      return $this->_formRules;
    }
    return array_intersect_key($this->_formRules, array_flip($fields));
  }
  final public function setFormOptions(string $action, array $fields, array $formDatas = [], $formOptions = []): void
  {
    foreach ($fields as $field) {
      $formOptions[$field] = $formOptions[$field] ?? $this->getFormOption($action, $field, $formDatas);
    }
    $this->_formOptions = $formOptions;
  }
  //$fields 매치된것만 반환, []->전체
  final public function getFormOptions(array $fields = []): array
  {
    if (empty($fields)) {
      return $this->_formOptions;
    }
    return array_intersect_key($this->_formOptions, array_flip($fields));
  }
  final public function setFormFilters(array $fields): void
  {
    $this->_formFilters = $fields;
  }
  final public function getFormFilters(): array
  {
    return $this->_formFilters;
  }
  final public function setIndexFilters(array $fields): void
  {
    $this->_indexFilters = $fields;;
  }
  final public function getIndexFilters(): array
  {
    return $this->_indexFilters;
  }
  final public function setBatchjobFilters(array $fields): void
  {
    $this->_batchjobFilters = $fields;;
  }
  final public function getBatchjobFilters(): array
  {
    return $this->_batchjobFilters;
  }
  final public function setActionButtons(array $buttons): array
  {
    return $this->_actionButtons = $buttons;
  }
  final public function getActionButtons(): array
  {
    return $this->_actionButtons;
  }
  final public function setBatchjobButtons(array $buttons): array
  {
    return $this->_batchjobButtons = $buttons;
  }
  final public function getBatchjobButtons(): array
  {
    return $this->_batchjobButtons;
  }
  //Validation용
  // final public function validate(array $formDatas): bool
  // {
  //   $validation = service('validation');
  //   $dynamicRules = [];
  //   foreach ($this->getFormRules() as $field => $rule) {
  //     //field별 추가 커스텀 룰 적용
  //     list($field, $rule) = $this->getValidationRule($field, $rule);
  //     $dynamicRules[$field] = ['rules' => $rule, 'label' => $this->getFormFields()[$field]];
  //   }
  //   $validation->setRules($dynamicRules);
  //   return $validation->run($formDatas);
  // }
  final public function validate(array $formDatas): bool
  {
    $validation = service('validation');
    $dynamicRules = [];
    $dynamicLabels = []; // 레이블 배열 추가
    if (!count($this->getFormRules())) {
      throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생: 지정된  Form RULE이 없습니다.");
    }
    foreach ($this->getFormRules() as $field => $rule) {
      list($field, $rule) = $this->getValidationRule($field, $rule);
      $dynamicRules[$field] = $rule; // 규칙만 저장
      $dynamicLabels[$field] = $this->getFormFields()[$field];
    }
    log_message('debug', 'Fields: ' . var_export($this->getFormFields(), true));
    log_message('debug', 'Rules: ' . var_export($dynamicRules, true));
    log_message('debug', 'Data: ' . var_export($formDatas, true));
    // setRules의 세 번째 인자로 레이블 전달
    $validation->setRules($dynamicRules, [], $dynamicLabels);

    // run()에는 데이터만 전달 (setRules에서 이미 설정됨)
    $result = $validation->run($formDatas);
    if ($result === false) {
      $message = __METHOD__ . "에서 데이터 검증 오류발생: " . var_export($validation->getErrors(), true);
      log_message('debug',  $message);
      throw new RuntimeException($message);
    } else {
      log_message('debug', 'Validate Run Succeeded.');
    }
    return $result;
  }

  //필수함수
  //사용자정의 함수
  protected function getValidationRule(string $field, string $rule): array
  {
    return array($field, $rule);
  }

  public function getFormFieldLabel(string $field, ?string $label = null): string
  {
    switch ($field) {
      default:
        $label = $label ?? lang("{$this->getAttribute('class_path')}.label.{$field}");
        break;
    }
    return $label;
  }

  public function getFormRule(string $action, string $field): string
  {
    switch ($field) {
      case $this->getAttribute('pk_field'):
        if (!$this->getAttribute('useAutoIncrement')) {
          $rule = sprintf("required|regex_match[/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}/]%s", in_array($action, ["create"]) ? "|is_unique[{$this->getAttribute('table')}.{$field}]" : "");
        } else {
          $rule = "required|numeric";
        }
        break;
      case $this->getAttribute('title_field'):
        $rule = sprintf("required|trim|string%s", in_array($action, ["create", "create_form"]) ? "|is_unique[{$this->getAttribute('table')}.{$field}]" : "");
        break;
      case "code":
        // a-zA-Z → 영문 대소문자,0-9 → 숫자,가-힣 → 한글 완성형,\- → 하이픈
        $rule = sprintf("required|regex_match[/^[a-zA-Z0-9가-힣\-]+$/]|min_length[4]|max_length[20]%s", in_array($action, ["create"]) ? "|is_unique[{$this->getAttribute('table')}.{$field}]" : "");
        break;
      case "user_uid":
        $rule  = "required|numeric";
        break;
      case "clientinfo_uid":
      case "serviceinfo_uid":
      case "serverinfo_uid":
        $rule  = "permit_empty|numeric";
        break;
      case 'picture':
        $rule = "is_image[{$field}]|mime_in[{$field},image/jpg,image/jpeg,image/gif,image/png,image/webp]|max_size[{$field},300]|max_dims[{$field},2048,768]";
        break;
      case "updated_at":
      case "created_at":
      case "deleted_at":
        $rule = "permit_empty|trim|valid_date";
        break;
      default:
        $rule = "permit_empty|trim|string";
        break;
    }
    return $rule;
  }
  protected function getFormOption_process($service, string $action, string $field, array $formDatas = []): array
  {
    $entities = [];
    switch ($field) {
      default:
        if (in_array($action, ['create_form', 'modify_form', 'alternative_create_form'])) {
          if (array_key_exists($field, $formDatas)) {
            $where    = sprintf("status = '%s' OR %s='%s'", STATUS['AVAILABLE'], $this->getAttribute('pk_field'), $formDatas[$field]);
          } else {
            $where    = sprintf("status = '%s'", STATUS['AVAILABLE']);
          }
          $entities = $service->getEntities([$where => null]);
        } else {
          $entities = $service->getEntities();
        }
        break;
    }
    return $entities;
  }

  public function getFormOption(string $action, string $field, array $formDatas = [], array $options = ['options' => [], 'atttributes' => []]): array
  {
    $tempOptions = ['' => lang("{$this->getAttribute('class_path')}.label.{$field}") . " 선택"];
    switch ($field) {
      case 'user_uid':
        foreach ($this->getFormOption_process(service('userservice'), $action, $field, $formDatas) as $entity) {
          $tempOptions[$entity->getPK()] = $entity->getTitle();
          // $options['attributes'][$entity->getPK()] = ['data-role' => implode(DEFAULTS['DELIMITER_ROLE'], $entity->getRole())];
        }
        $options['options'] = $tempOptions;
        break;
      case 'clientinfo_uid':
        foreach ($this->getFormOption_process(service('customer_clientservice'), $action, $field, $formDatas) as $entity) {
          $tempOptions[$entity->getPK()] = $entity->getTitle();
          // $options['attributes'][$entity->getPK()] = ['data-role' => implode(DEFAULTS['DELIMITER_ROLE'], $entity->getRole())];
        }
        $options['options'] = $tempOptions;
        break;
      default:
        $optionDatas = lang($this->getAttribute('class_path') . "." . strtoupper($field));
        if (!is_array($optionDatas)) {
          throw new RuntimeException(static::class . '->' . __FUNCTION__ . "에서 오류발생:{$field}가 배열값이 아닙니다.");
        }
        foreach ($optionDatas as $key => $label) {
          $tempOptions[$key] = $label;
        }
        $options['options'] = $tempOptions;
        break;
    }
    return $options;
  }
}