import java.util.Arrays;
import java.util.List;

import com.puhui.flowplatform.manage.filter.RightFilter;
import org.springframework.aop.BeforeAdvice;
import org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.util.ResourceUtils;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver;

import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import com.puhui.flowplatform.manage.interceptor.BeforeControllerInterceptor;

@Configuration
public class SpringMvcConfig extends WebMvcConfigurerAdapter {

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        super.configureMessageConverters(converters);
        // 初始化轉換器
        FastJsonHttpMessageConverter fastConvert = new FastJsonHttpMessageConverter();
        // 初始化一個轉換器配置
        FastJsonConfig fastJsonConfig = new FastJsonConfig();
        fastJsonConfig.setSerializerFeatures(SerializerFeature.PrettyFormat);
        // 將配置設定給轉換器並新增到HttpMessageConverter轉換器列表中
        fastConvert.setFastJsonConfig(fastJsonConfig);
        converters.add(fastConvert);
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/swagger-ui.html").addResourceLocations(
                ResourceUtils.CLASSPATH_URL_PREFIX + "/META-INF/resources/");
        registry.addResourceHandler("/static/**").addResourceLocations(ResourceUtils.CLASSPATH_URL_PREFIX + "/static/",
                ResourceUtils.CLASSPATH_URL_PREFIX + "/dist/static/");
        registry.addResourceHandler("/page/**").addResourceLocations(ResourceUtils.CLASSPATH_URL_PREFIX + "/dist/");
        super.addResourceHandlers(registry);
    }

    @Bean
    public ViewResolver viewResolver() {
        FreeMarkerViewResolver resolver = new FreeMarkerViewResolver();
        resolver.setCache(true);
        resolver.setPrefix(ResourceUtils.CLASSPATH_URL_PREFIX + "templates/");
        resolver.setSuffix(".ftl");
        resolver.setContentType("text/html; charset=UTF-8");
        return resolver;
    }

    // 建立Advice或Advisor
    @Bean
    public BeforeAdvice beforeControllerInterceptor() {
        return new BeforeControllerInterceptor();
    }
 


    @Bean
    public BeanNameAutoProxyCreator beanBeforeAutoProxyCreator() {
        BeanNameAutoProxyCreator beanNameAutoProxyCreator = new BeanNameAutoProxyCreator();
        beanNameAutoProxyCreator.setProxyTargetClass(true);
        // 設定要建立代理的那些Bean的名字
        beanNameAutoProxyCreator.setBeanNames("*Controller");
        // 設定攔截鏈名字(這些攔截器是有先後順序的)
        beanNameAutoProxyCreator.setInterceptorNames("beforeControllerInterceptor");
        return beanNameAutoProxyCreator;
    }

    @Bean(name = "rightFilter")
    public FilterRegistrationBean  addRightFilter(){
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
        filterRegistrationBean.setFilter(new RightFilter());
        filterRegistrationBean.setUrlPatterns(Arrays.asList("/api/*"));

        return filterRegistrationBean;
    }
}