package com.topdraw.mq.consumer;

import com.topdraw.mq.domain.TableOperationMsg;
import com.topdraw.util.JSONUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;
import org.springframework.util.ClassUtils;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

@Component
@Slf4j
public class AutoRoute {

    @Autowired
    private ApplicationContext applicationContext;

    public void route(TableOperationMsg tableOperationMsg) {
        String interfaceName = tableOperationMsg.getInterfaceName();
        try {
            String methodName = tableOperationMsg.getMethodName();

            ClassLoader defaultClassLoader = ClassUtils.getDefaultClassLoader();
            Class<?> aClass = defaultClassLoader.loadClass(tableOperationMsg.getEntityName());
            Class<?> serviceImpl = Class.forName(interfaceName);
            Method[] declaredMethods = serviceImpl.getDeclaredMethods();
            for (Method declaredMethod : declaredMethods) {
                declaredMethod.setAccessible(true);
                String name = declaredMethod.getName();
                if (name.equalsIgnoreCase(methodName)) {
                    Class<?>[] parameterTypes = declaredMethod.getParameterTypes();
                    Class<?> parameterType = parameterTypes[0];
                    aClass = parameterType;
                    break;
                } else {
                    continue;
                }
            }
            String entityBody = tableOperationMsg.getEntityBody();
            Object o = JSONUtil.parseMsg2Object(entityBody, aClass.getConstructor().newInstance().getClass());
            Method method1 = serviceImpl.getDeclaredMethod(methodName, aClass);
            method1.invoke(applicationContext.getBean(serviceImpl),o);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        }
    }

}