package com.moral.api.exception;

import com.alibaba.druid.wall.violation.ErrorCode;
import com.moral.api.utils.StringUtils;
import com.moral.constant.Constants;
import com.moral.constant.ResponseCodeEnum;
import com.moral.constant.ResultMessage;
import com.moral.exception.TokenException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.support.DefaultMessageSourceResolvable;
import org.springframework.http.HttpStatus;
import org.springframework.validation.FieldError;
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 org.springframework.web.bind.annotation.ResponseStatus;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;


@ControllerAdvice
@ResponseBody
public class GlobalExceptionHandler {
    /**
     * 处理全部异常
     */
    @ExceptionHandler
    @ResponseBody
    @ResponseStatus(HttpStatus.OK)
    public ResultMessage handleException(Exception ex) {
        ex.printStackTrace();
        return  ResultMessage.fail(ResponseCodeEnum.FAIL.getCode(), ResponseCodeEnum.FAIL.getMsg());
    }

    /**
     * 处理BusinessException异常
     */
    @ExceptionHandler({BusinessException.class})
    @ResponseBody
    @ResponseStatus(HttpStatus.OK)
    public ResultMessage handleUserNotExistException(BusinessException ex) {
        return ResultMessage.fail(ResponseCodeEnum.FAIL.getCode(), "请求用户数据失败");
    }

    @ExceptionHandler
    public ResultMessage exceptionHandler(MethodArgumentNotValidException e){
        List<String> collect = e.getBindingResult().getFieldErrors().stream().map(DefaultMessageSourceResolvable::getDefaultMessage)
                .collect(Collectors.toList());
        return ResultMessage.fail(ResponseCodeEnum.FAIL.getCode(), StringUtils.join(collect, ","));
    }

    /**
     * 处理TokenException异常
     */
    @ExceptionHandler({TokenException.class})
    @ResponseBody
    @ResponseStatus(HttpStatus.OK)
    public ResultMessage handleTokenException(TokenException ex) {
        return ResultMessage.fail(ex.getCode(),ex.getMsg());
    }
}