package com.temp.shared.validators;

import com.temp.shared.*;
import com.temp.shared.externalization.*;
import com.temp.shared.utils.*;

public class Only7BitAlphaNumericUnderScoreValueValidator implements ValueValidator {
    public static final String TEMPLATE_ID_CODE = "Only7BitAlphaNumericUnderScore";
    public static final String TEMPLATE_NAME_WHY = "why";
    public static final String SUBTEMPLATE_WHY_NOT_STRING = "NotString";
    public static final String SUBTEMPLATE_WHY_EMPTY_STRING = "EmptyString";

    public static final ValueValidator INSTANCE = new Only7BitAlphaNumericUnderScoreValueValidator();

    private Only7BitAlphaNumericUnderScoreValueValidator() {
    }

    @Override
    public E13nData checkValue(Object value) {
        if (!(value instanceof String)) {
            return new E13nData(TEMPLATE_ID_CODE).addSubstitutionNamedSubTemplateIdCode(TEMPLATE_NAME_WHY, SUBTEMPLATE_WHY_NOT_STRING);
        }
        String userData = value.toString().trim();
        if (userData.length() == 0) {
            return new E13nData(TEMPLATE_ID_CODE).addSubstitutionNamedSubTemplateIdCode(TEMPLATE_NAME_WHY, SUBTEMPLATE_WHY_EMPTY_STRING);
        }
        for (int i = 0; i < userData.length(); i++) {
            char c = userData.charAt(i);
            if ( !CharacterUtils.isAlphaNumericUnderScore7BitAscii(c) ) {

            }
        }
        return null; // OK!
    }
}