package com.panzhihua.common.exceptions;

import java.util.List;

import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import com.panzhihua.common.constants.HttpStatus;
import com.panzhihua.common.model.vos.R;

import lombok.extern.slf4j.Slf4j;

/**
 * @program: springcloud_k8s_panzhihuazhihuishequ
 * @description: 全局异常捕获
 * @author: huang.hongfa weixin hhf9596 qq 959656820
 * @create: 2020-11-25 14:36
 **/
@Slf4j
@RestControllerAdvice
@Order(Ordered.HIGHEST_PRECEDENCE)
public class GlobalExceptionCapture {
    /**
     * 拦截捕捉自定义异常 TokenException.class
     * 
     * @param ex
     *            token 异常
     * @return R 401
     */
    @ExceptionHandler(value = TokenException.class)
    public R myErrorHandlerTokenException(TokenException ex) {
        return R.fail(ex.getCode(), ex.getMsg());
    }

    /**
     * 拦截捕捉自定义异常 PartyBuildingMemberException
     * 
     * @param ex
     *            党建异常
     * @return 异常信息
     */
    @ExceptionHandler(value = PartyBuildingMemberException.class)
    public R PartyBuildingMemberException(PartyBuildingMemberException ex) {
        return R.fail(ex.getMsg());
    }

    /**
     * 拦截捕捉自定义异常 UnAuthenticationException.class
     * 
     * @param ex
     *            认证 异常
     * @return R 401
     */
    @ExceptionHandler(value = UnAuthenticationException.class)
    public R myErrorHandlerUnAuthenticationException(UnAuthenticationException ex) {
        return R.fail(ex.getCode(), "没有登录");
    }

    /**
     * 拦截捕捉自定义异常 UnAuthorizationException.class
     * 
     * @param ex
     *            权限 异常
     * @return R 403
     */
    @ExceptionHandler(value = UnAuthorizationException.class)
    public R myErrorHandlerUnAuthorizationException(UnAuthenticationException ex) {
        return R.fail(ex.getCode(), "没有访问权限");
    }

    /**
     *
     * @param ex
     *            数据库异常
     * @return
     */
    @ExceptionHandler(value = java.sql.SQLSyntaxErrorException.class)
    public R sqlSyntaxExcetption(Exception ex) {
        log.error("数据库异常【{}】", ex.getMessage());
        return R.fail("sql语法错误");
    }

    /**
     *
     * @param ex
     *            数据库异常
     * @return
     */
    @ExceptionHandler(value = java.sql.SQLException.class)
    public R sqlException(Exception ex) {
        log.error("数据库异常【{}】", ex.getMessage());
        return R.fail("sql错误");
    }

    /**
     *
     * @param ex
     *            服务层业务异常
     * @return
     */
    @ExceptionHandler(value = ServiceException.class)
    public R serviceException(ServiceException ex) {
        log.error("服务层业务异常【{}】", ex.getMessage());
        return R.fail(ex.getMessage());
    }

    /**
     * 校验异常
     * 
     * @param ex
     *            valid
     * @return 返回json
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R methodArgumentNotValidException(MethodArgumentNotValidException ex) {
        BindingResult result = ex.getBindingResult();
        StringBuilder errorMessage = new StringBuilder();
        if (result.hasErrors()) {
            List<ObjectError> errors = result.getAllErrors();
            errors.forEach(p -> {
                FieldError fieldError = (FieldError)p;
                errorMessage.append(fieldError.getDefaultMessage());
                errorMessage.append("  ");
            });
        }
        return R.fail(HttpStatus.BAD_REQUEST, errorMessage.toString());
    }

    // /**
    // * 全局异常捕捉处理
    // * @param ex 所有运行时异常
    // * @return R 500
    // */
    // @ExceptionHandler(value = Exception.class)
    // public R errorHandler(Exception ex) {
    // log.error("捕捉到全局异常【{}】",ex.getMessage());
    // return R.fail("接口请求失败");
    // }
}