package com.sptg.pay.biz.cfgbeans;

import com.alibaba.fastjson.serializer.SerializerFeature;
import com.alibaba.fastjson.support.config.FastJsonConfig;
import com.alibaba.fastjson.support.spring.FastJsonHttpMessageConverter;
import com.sptg.pay.biz.interceptor.WxPayInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;

//@Configuration
public class IJPayConfigurer extends WebMvcConfigurationSupport {
    @Override
    public void addInterceptors(InterceptorRegistry registry) {
//        registry.addInterceptor(new AliPayInterceptor()).addPathPatterns("/aliPay/**");
        registry.addInterceptor(new WxPayInterceptor()).addPathPatterns("/wxPay/**");
        super.addInterceptors(registry);
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        // 将所有/static/** 访问都映射到classpath:/static/ 目录下
        registry.addResourceHandler("/static/**").addResourceLocations("classpath:/static/");
    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
        super.configureMessageConverters(converters);

        FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
        FastJsonConfig config = new FastJsonConfig();
        config.setSerializerFeatures(

                SerializerFeature.WriteMapNullValue, // 保留map空的字段

                SerializerFeature.WriteNullStringAsEmpty, // 将String类型的null转成""

                SerializerFeature.WriteNullNumberAsZero, // 将Number类型的null转成0

                SerializerFeature.WriteNullListAsEmpty, // 将List类型的null转成[]

                SerializerFeature.WriteNullBooleanAsFalse, // 将Boolean类型的null转成false

                SerializerFeature.DisableCircularReferenceDetect);// 避免循环引用

        converter.setFastJsonConfig(config);
        converter.setDefaultCharset(Charset.forName("UTF-8"));
        List<MediaType> mediaTypeList = new ArrayList<>();
        // 解决中文乱码问题，相当于在Controller上的@RequestMapping中加了个属性produces = "application/json"
        mediaTypeList.add(MediaType.APPLICATION_JSON);
        converter.setSupportedMediaTypes(mediaTypeList);
        converters.add(converter);

        converters.add(responseBodyConverter());
    }

    @Bean
    public HttpMessageConverter<String> responseBodyConverter() {
        return new StringHttpMessageConverter(Charset.forName("UTF-8"));
    }
}
