import { __, sprintf } from '@wordpress/i18n';

export interface FormError {
  type: string;
  message?: string;
  [key: string]: any;
}

class FormService {
  getErrorMessage(formError: FormError | undefined): string {
    if (!formError) {
      return '';
    }

    // If a custom message is provided, use it
    if (formError.message) {
      return formError.message;
    }

    // Otherwise, use default messages based on error type
    switch (formError.type) {
      case 'required':
        return __('Field is required', 'timetailor-salon-booking');
      case 'maxLength':
        return formError.maxLength
          ? sprintf(__('Max %s characters', 'timetailor-salon-booking'), formError.maxLength)
          : __('Maximum length exceeded', 'timetailor-salon-booking');
      case 'minLength':
        return formError.minLength
          ? sprintf(__('Min %s characters', 'timetailor-salon-booking'), formError.minLength)
          : __('Minimum length not met', 'timetailor-salon-booking');
      case 'pattern':
        return __('Invalid format', 'timetailor-salon-booking');
      case 'validate':
        return formError.message || __('Validation failed', 'timetailor-salon-booking');
      case 'min':
        return formError.min ? sprintf(__('Min %s', 'timetailor-salon-booking'), formError.min) : __('Value too small', 'timetailor-salon-booking');
      case 'max':
        return formError.max ? sprintf(__('Max %s', 'timetailor-salon-booking'), formError.max) : __('Value too large', 'timetailor-salon-booking');
      case 'email':
        return __('Must be a valid email address', 'timetailor-salon-booking');
      case 'url':
        return __('Must be a valid URL', 'timetailor-salon-booking');
      case 'number':
        return __('Must be a valid number', 'timetailor-salon-booking');
      case 'date':
        return __('Must be a valid date', 'timetailor-salon-booking');
      case 'phone':
        return __('Must be a valid phone number', 'timetailor-salon-booking');
      default:
        return __('Invalid value', 'timetailor-salon-booking');
    }
  }
}

export const formService = new FormService();