package com.ots.framework.web.exception;
import com.ots.common.exception.BusinessException;
import com.ots.common.exception.DemoModeException;
import com.ots.common.utils.ServletUtils;
import com.ots.common.utils.security.PermissionUtils;
import com.ots.framework.web.domain.AjaxResult;
import org.apache.shiro.authz.AuthorizationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.validation.BindException;
import org.springframework.web.HttpRequestMethodNotSupportedException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;

@RestControllerAdvice
public class GlobalExceptionHandler {
    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);
    
    @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;
        }
    }
    
    @ExceptionHandler({HttpRequestMethodNotSupportedException.class})
    public AjaxResult handleException(HttpRequestMethodNotSupportedException e) {
        log.error(e.getMessage(), e);
        return AjaxResult.error("不支持' " + e.getMethod() + "'请求");
    }
    
    @ExceptionHandler(RuntimeException.class)
    public AjaxResult notFount(RuntimeException e) {
        log.error("运行时异常:", e);
        return AjaxResult.error("运行时异常:" + e.getMessage());
    }
    
    @ExceptionHandler(Exception.class)
    public AjaxResult handleException(Exception e) {
        log.error(e.getMessage(), e);
        return AjaxResult.error("服务器错误，请联系管理员");
    }
    
    @ExceptionHandler(BusinessException.class)
    public Object businessException(HttpServletRequest request, BusinessException e) {
        log.error(e.getMessage(), e);
        if (ServletUtils.isAjaxRequest(request)) {
            return AjaxResult.error(e.getMessage());
        } else {
            ModelAndView modelAndView = new ModelAndView();
            modelAndView.addObject("errorMessage", e.getMessage());
            modelAndView.setViewName("error/business");
            return modelAndView;
        }
    }
    
    @ExceptionHandler(BindException.class)
    public AjaxResult validatedBindException(BindException e) {
        log.error(e.getMessage(), e);
        String message = e.getAllErrors().get(0).getDefaultMessage();
        return AjaxResult.error(message);
    }
    
    @ExceptionHandler(DemoModeException.class)
    public AjaxResult demoModeException(DemoModeException e) {
        return AjaxResult.error("演示模式，不允许操作");
    }
}