package com.hzs.common.security.handler;

import javax.servlet.http.HttpServletRequest;

import com.hzs.common.core.exception.base.BaseException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import com.hzs.common.core.constant.HttpStatus;
import com.hzs.common.core.exception.ServiceException;
import com.hzs.common.core.exception.auth.NotPermissionException;
import com.hzs.common.core.utils.StringUtils;
import com.hzs.common.core.web.domain.AjaxResult;

/**
 * 全局异常处理器
 *
 * @author hzs
 */
@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {

    /**
     * 权限码异常
     */
    @ExceptionHandler(NotPermissionException.class)
    public AjaxResult handleNotPermissionException(NotPermissionException e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',权限码校验失败'{}'", requestURI, e.getMessage());
        return AjaxResult.error(HttpStatus.FORBIDDEN, "没有访问权限，请联系管理员授权");
    }

    /**
     * 请求方式不支持
     */
    @ExceptionHandler(HttpRequestMethodNotSupportedException.class)
    public AjaxResult handleHttpRequestMethodNotSupported(HttpRequestMethodNotSupportedException e,
                                                          HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',不支持'{}'请求", requestURI, e.getMethod());
        return AjaxResult.error(e.getMessage());
    }

    /**
     * 拦截基础运行异常
     */
    @ExceptionHandler(BaseException.class)
    public AjaxResult handleBaseException(BaseException e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址:'{}',发生异常:{}", requestURI, e.getDefaultMessage(), e);
        return AjaxResult.error(e.getDefaultMessage());
    }

    /**
     * 业务异常
     */
    @ExceptionHandler(ServiceException.class)
    public AjaxResult handleServiceException(ServiceException e, HttpServletRequest request) {
        log.error(e.getMessage(), e);
        Integer code = e.getCode();
        return StringUtils.isNotNull(code) ? AjaxResult.error(code, e.getMessage()) : AjaxResult.error(e.getMessage());
    }

    /**
     * 拦截未知的运行时异常
     */
    @ExceptionHandler(RuntimeException.class)
    public AjaxResult handleRuntimeException(RuntimeException e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',发生异常:{}", requestURI, e.getMessage(), e);
        return AjaxResult.error(e.getMessage());
    }

    /**
     * 系统异常
     */
    @ExceptionHandler(Exception.class)
    public AjaxResult handleException(Exception e, HttpServletRequest request) {
        String requestURI = request.getRequestURI();
        log.error("请求地址'{}',发生异常:{}", requestURI, e.getMessage(), e);
        return AjaxResult.error(e.getMessage());
    }

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

    /**
     * 自定义验证异常
     */
    @ExceptionHandler(MethodArgumentNotValidException.class)
    public Object handleMethodArgumentNotValidException(MethodArgumentNotValidException e) {
        log.error(e.getMessage(), e);
        String message = e.getBindingResult().getFieldError().getDefaultMessage();
        return AjaxResult.error(message);
    }

}
