/**
 * projectName: h3-organization
 * fileName: ParameterValidate.java
 * packageName: com.hydee.common.validate
 * date: 2019-06-17 10:48
 * copyright(c) 2019 http://www.hydee.cn/ Inc. All rights reserved.
 */
package com.matrix.system.common.validate;

import com.matrix.system.common.validate.beans.ErrorMessage;
import com.matrix.system.common.validate.group.Group;
import org.hibernate.validator.HibernateValidator;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

/**
 * @version: V1.0
 * @author: LiHengye
 * @className: ParameterValidate
 * @packageName: com.hydee.common.validate
 * @description: 参数验证
 * @data: 2019-06-17 10:48
 **/
public class ParameterValidate {


    /**
     * 开启快速结束模式 failFast (true)
     */
    private static Validator validator = Validation.byProvider(HibernateValidator.class).configure().failFast(true).buildValidatorFactory().getValidator();
    /**
     * 校验对象
     * @param t bean
     * @param groups 校验组
     * @return ValidResult
     */
    public static <T> ValidResult validateBean(T t,Class<?>...groups) {
        ValidResult result = new ValidResult();
        Set<ConstraintViolation<T>> violationSet = validator.validate(t,groups);
        boolean hasError = violationSet != null && violationSet.size() > 0;
        result.setHasErrors(hasError);
        if (hasError) {
            for (ConstraintViolation<T> violation : violationSet) {
                result.addError(violation.getPropertyPath().toString(), violation.getMessageTemplate());
            }
        }
        return result;
    }

    /**
     * 校验bean的某一个属性
     * @param obj          bean
     * @param propertyName 属性名称
     * @return ValidResult
     */
    public static <T> ValidResult validateProperty(T obj, String propertyName) {
        ValidResult result = new ValidResult();
        Set<ConstraintViolation<T>> violationSet = validator.validateProperty(obj, propertyName, Group.ADD.class);
        boolean hasError = violationSet != null && violationSet.size() > 0;
        result.setHasErrors(hasError);
        if (hasError) {
            for (ConstraintViolation<T> violation : violationSet) {
                result.addError(propertyName, violation.getMessage());
            }
        }
        return result;
    }

    /**
     * 校验结果类
     */
    public static class ValidResult {

        /**
         * 是否有错误
         */
        private boolean hasErrors;

        /**
         * 错误信息
         */
        private List<ErrorMessage> errors;

        public ValidResult() {
            this.errors = new ArrayList<>();
        }
        public boolean hasErrors() {
            return hasErrors;
        }

        public void setHasErrors(boolean hasErrors) {
            this.hasErrors = hasErrors;
        }

        /**
         * 获取所有验证信息
         * @return 集合形式
         */
        public List<ErrorMessage> getAllErrors() {
            return errors;
        }
        /**
         * 获取所有验证信息
         * @return 字符串形式
         */
        public String getErrors(){
            StringBuilder sb = new StringBuilder();
            for (ErrorMessage error : errors) {
                sb.append(error.getPropertyPath()).append("：不能为空");
//                sb.append(error.getPropertyPath()).append(":").append(error.getMessage()).append(" ");
            }
            return sb.toString();
        }

        public String getAllErrorMessage(){
            StringBuilder sb = new StringBuilder();
            for (ErrorMessage error : errors) {
                if(error.getMessage() == null || error.getMessage().isEmpty()){
                    sb.append(error.getPropertyPath()).append("：不合法！");
                }else{
                    sb.append(error.getPropertyPath()).append(":").append(error.getMessage()).append(" ");
                }
            }
            return sb.toString();
        }

        public void addError(String propertyPath, String message) {
            this.errors.add(new ErrorMessage(propertyPath, message));
        }
    }
}