package com.poyee.common.exception;

import com.poyee.base.dto.Result;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.validation.BindException;
import org.springframework.validation.ObjectError;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import java.sql.SQLException;
import java.util.List;

/**
 *
 */
@ControllerAdvice
@ResponseBody
public class GlobalExceptionHandler extends RuntimeException {
    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    /**
     * 权限校验失败 如果请求为ajax返回json，普通请求跳转页面
     */
    /*@ExceptionHandler(AuthorizationException.class)
    public Object handleAuthorizationException(HttpServletRequest request, AuthorizationException e)
    {
        log.error(e.getMessage(), e);
        if (ServletUtils.isAjaxRequest(request))
        {
            return AjaxResult.error(PermissionUtils.getMsg(e.getMessage()));
        }
        else
        {
            ModelAndView modelAndView = new ModelAndView();
            modelAndView.setViewName("error/unauth");
            return modelAndView;
        }
    }*/

    /**
     * 请求方式不支持
     */
    @ExceptionHandler({ HttpRequestMethodNotSupportedException.class })
    public Result handleException(HttpRequestMethodNotSupportedException e)
    {
        log.error("运行异常:{}", e);
        return Result.error("不支持' " + e.getMethod() + "'请求");
    }

    /**
     * 拦截未知的运行时异常
     */
    @ExceptionHandler(RuntimeException.class)
    public Object notFount(RuntimeException e)
    {
        log.error("运行时异常:{}", e);
        if(e.getCause() instanceof SQLException){
            return Result.error("sql运行异常,请联系管理员");
        }
        return Result.error("运行出错了:" + e.getMessage());
    }

    @ExceptionHandler(ServiceException.class)
    public Result serviceErr(ServiceException e) {
        log.error("运行时异常:{}", e);
        if(e.getCode() == 0){
            e.code = -1;
        }
        return Result.error(e.getCode(),e.getMessage());
    }

    /**
     * 系统异常
     */
    @ExceptionHandler(Exception.class)
    public Result handleException(Exception e)
    {
        log.error("运行异常:{}", e);
        return Result.error("服务器错误，请联系管理员");
    }

    /**
     * 业务异常
     */
    @ExceptionHandler(BaseException.class)
    public Object baseException(BaseException e)
    {
        log.error(e.getMessage(), e);
        String errMsg = e.getMessage();
        return Result.error(errMsg);
    }

    /**
     * 业务异常
     */
    @ExceptionHandler(BusinessException.class)
    public Object businessException( BusinessException e)
    {
        log.error(e.getMessage(), e);
        String errMsg = e.getMessage();
        Integer code = e.getCode();
        return Result.error(code,errMsg);
    }

    /**
     * 自定义验证异常
     */
    @ExceptionHandler(BindException.class)
    public Result validatedBindException(BindException e)
    {
        log.error(e.getMessage(), e);
        String message = e.getAllErrors().get(0).getDefaultMessage();
        return Result.error(message);
    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public Result handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
        StringBuilder msg = new StringBuilder();
        List<ObjectError> allErrors = e.getBindingResult().getAllErrors();
        for (ObjectError allError : allErrors) {
            msg.append(allError.getDefaultMessage()).append(",");
        }
        if (null != msg && msg.length()>1) {
            return Result.error(msg.substring(0,msg.length()-1));
        }
        return Result.error(msg.toString());
    }
}