package com.ydtech.aop;

import cn.dev33.satoken.exception.NotLoginException;
import cn.dev33.satoken.exception.NotPermissionException;
import com.ydtech.aop.exception.DescribeException;
import com.ydtech.core.page.HttpResult;
import com.ydtech.core.page.HttpStatus;
import com.ydtech.exception.SystemException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
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 javax.validation.ConstraintViolationException;
import java.sql.SQLIntegrityConstraintViolationException;
import java.util.List;

@ControllerAdvice
public class GlobalExceptionHandler {

    private static final Logger LOGGER = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    /**
     * 判断错误是否是已定义的已知错误，不是则由未知错误代替，同时记录在log中
     *
     * @param e 异常
     * @return
     */
    @ExceptionHandler(value = Exception.class)
    @ResponseBody
    public HttpResult exceptionGet(Exception e) {
        LOGGER.error("【系统异常】{}", e);
//        if (e.getStackTrace() != null && e.getStackTrace().length > 0) {
//            StackTraceElement element = e.getStackTrace()[0];
//            ErrorInfo errorInfo = new ErrorInfo(
//                    element.getClassName(),
//                    element.getFileName(),
//                    element.getMethodName(),
//                    String.valueOf(element.getLineNumber())
//            );
//
//            return HttpResult.error(-9999, errorInfo.toString());
//        }

        return HttpResult.error(-9999, "程序异常，请联系管理员");
    }

    @ExceptionHandler(value = DescribeException.class)
    @ResponseBody
    public HttpResult describeExceptionHandle(DescribeException describeException) {
        return HttpResult.error(describeException.getCode(), describeException.getMessage());
    }

    @ExceptionHandler(value = SystemException.class)
    @ResponseBody
    public HttpResult systemExceptionHandle(SystemException systemException) {
        return HttpResult.error(Integer.parseInt(systemException.getCode()), systemException.getMessage());
    }

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    @ResponseBody
    public HttpResult methodArgumentNotValidExceptionHandle(MethodArgumentNotValidException methodArgumentNotValidException) {
        BindingResult bindingResult = methodArgumentNotValidException.getBindingResult();
        List<ObjectError> objectErrors = bindingResult.getAllErrors();
        String message = objectErrors.get(0).getDefaultMessage();
        return HttpResult.error(400, message);
    }

    @ExceptionHandler(value = DuplicateKeyException.class)
    @ResponseBody
    public HttpResult sqlExceptionHandle(SQLIntegrityConstraintViolationException sqlException) {
        return HttpResult.error("违反唯一约束：" + sqlException.getMessage()
                .substring(0, sqlException.getMessage().indexOf("for key")));
    }

    @ExceptionHandler(value = ConstraintViolationException.class)
    @ResponseBody
    public HttpResult constraintViolation(ConstraintViolationException constraintViolationException) {
        return HttpResult.error(constraintViolationException.getMessage());
    }

    @ExceptionHandler(value = NotLoginException.class)
    @ResponseBody
    public HttpResult notLoginException(NotLoginException e) {
        return HttpResult.error(HttpStatus.SC_UNAUTHORIZED, "未登录状态，无法访问。");
    }

    @ExceptionHandler(value = NotPermissionException.class)
    @ResponseBody
    public HttpResult notPermissionException(NotPermissionException e) {
        return HttpResult.error(HttpStatus.SC_FORBIDDEN, "未获得权限，无法访问。");
    }

}