package com.zy.common.config;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.core.common.Cools;
import com.core.common.R;
import com.core.exception.CoolException;
import com.zy.asrs.entity.ApiLog;
import com.zy.asrs.service.ApiLogService;
import com.zy.common.annotations.OpenApiLog;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

@Component
@Aspect
@Slf4j
public class AspectConfig {

    @Autowired
    private ApiLogService apiLogService;

    @Pointcut("execution(* com.zy.asrs.controller.*(..))")
    private void webLog() {
    }

    @Around("@within(org.springframework.web.bind.annotation.RestController)" +
            "||@within(org.springframework.stereotype.Controller)")
    public Object after(ProceedingJoinPoint joinPoint) throws Throwable {
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = requestAttributes != null ? requestAttributes.getRequest() : null;
        long start = System.currentTimeMillis();
        MethodSignature signature = (MethodSignature) joinPoint.getSignature();
        Method method = signature.getMethod();
        OpenApiLog annotation = method.isAnnotationPresent(OpenApiLog.class) ? method.getAnnotation(OpenApiLog.class) : null;
        Object result = null;
        Object errorResponse = null;
        try {
            result = joinPoint.proceed(joinPoint.getArgs());
            if (annotation != null && !Cools.isEmpty(annotation.memo())) {
                saveLog(joinPoint, request, result, annotation.memo());
            }
            return result;
        } catch (Throwable ex) {
            errorResponse = buildErrorResponse(ex);
            if (annotation != null && !Cools.isEmpty(annotation.memo())) {
                saveErrLog(joinPoint, request, errorResponse, ex, annotation.memo());
            }
            throw ex;
        } finally {
            long end = System.currentTimeMillis();
//            log.info("请求日志的打印");
//            log.info("请求地址:{}", request != null ? Optional.ofNullable(request.getRequestURI()).orElse(null) : null);
//            log.info("请求方式:{}", request != null ? request.getMethod() : null);
//            log.info("请求类方法:{}", joinPoint.getSignature());
//            log.info("请求类方法参数:{}", JSONObject.toJSONString(filterArgs(joinPoint.getArgs())));
//            log.info("请求响应参数{}", JSONObject.toJSONString(result != null ? result : errorResponse));
//            log.info("执行耗时:{}", end - start);
        }
    }

    private List<Object> filterArgs(Object[] objects) {
        return Arrays.stream(objects).filter(obj -> !(obj instanceof MultipartFile)
                && !(obj instanceof HttpServletResponse)
                && !(obj instanceof HttpServletRequest)).collect(Collectors.toList());
    }

    private void saveLog(ProceedingJoinPoint joinPoint, HttpServletRequest request, Object result, String memo) {
        apiLogService.insert(new ApiLog(
                null,
                memo,
                request != null ? Optional.ofNullable(String.valueOf(request.getRequestURI())).orElse(null) : null,
                null,
                null,
                null,
                JSONObject.toJSONString(filterArgs(joinPoint.getArgs())),
                JSON.toJSONString(result),
                null,
                1,
                1,
                new Date(),
                null,
                null
        ));
    }

    private void saveErrLog(ProceedingJoinPoint joinPoint, HttpServletRequest request, Object response, Throwable ex, String memo) {
        apiLogService.insert(new ApiLog(
                null,
                memo,
                request != null ? Optional.ofNullable(String.valueOf(request.getRequestURI())).orElse(null) : null,
                null,
                null,
                null,
                JSONObject.toJSONString(filterArgs(joinPoint.getArgs())),
                JSON.toJSONString(response),
                String.valueOf(ex),
                0,
                1,
                new Date(),
                null,
                null
        ));
    }

    private Object buildErrorResponse(Throwable ex) {
        if (ex instanceof CoolException) {
            return R.parse(ex.getMessage());
        }
        return R.error();
    }

}