package cn.wisenergy.chnmuseum.party.conf;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

/**
 * MVC配置
 */
@Configuration
public class MvcConfiguration extends WebMvcConfigurationSupport {

    /**
     * 后置跨域支持【当出现跨域请求,此处会放在拦截器最后执行，CORS失效】
     *
     * @param registry
     */
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        registry.addMapping("/**")
                .allowedOriginPatterns("*")
                .allowedHeaders("*")
                .allowedMethods("*")
                .allowCredentials(true)
                .maxAge(3600);
    }


    /**
     * 配置消息转换器：Ali开源的fastJson
     *
     * @param converters
     */
//    @Override
//    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
//        // 先移除jackson转换器,springBoot1.x可以不排除
//        for (int i = converters.size() - 1; i >= 0; i--) {
//            if (converters.get(i) instanceof MappingJackson2HttpMessageConverter) {
//                converters.remove(i);
//            }
//        }
//        //1.需要定义一个convert转换消息的对象;
//        FastJsonHttpMessageConverter fastJsonHttpMessageConverter = new FastJsonHttpMessageConverter();
//        StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter();
//        ByteArrayHttpMessageConverter byteArrayHttpMessageConverter = new ByteArrayHttpMessageConverter();
//
//        //2.添加fastJson的配置信息，比如：是否要格式化返回的json数据;
//        FastJsonConfig fastJsonConfig = new FastJsonConfig();
//        fastJsonConfig.setSerializerFeatures(
//                SerializerFeature.PrettyFormat,
//                SerializerFeature.WriteMapNullValue,
//                SerializerFeature.WriteNullStringAsEmpty,
//                SerializerFeature.DisableCircularReferenceDetect,
//                SerializerFeature.WriteNullListAsEmpty,
//                SerializerFeature.BrowserCompatible,
//                SerializerFeature.WriteDateUseDateFormat);
//        // 设置编码
//        fastJsonConfig.setCharset(Charset.forName("UTF-8"));
//        fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
//
//        // 设置数字转化问题
//        SerializeConfig serializeConfig = SerializeConfig.globalInstance;
//        serializeConfig.put(BigInteger.class, ToStringSerializer.instance);
//        serializeConfig.put(Long.class, ToStringSerializer.instance);
//        serializeConfig.put(Long.TYPE, ToStringSerializer.instance);
//        serializeConfig.setPropertyNamingStrategy( PropertyNamingStrategy.CamelCase);
//        fastJsonConfig.setSerializeConfig(serializeConfig);
//
//        //3处理中文乱码问题
//        List<MediaType> fastMediaTypes = new ArrayList<>();
//        fastMediaTypes.add(MediaType.APPLICATION_JSON);
//        fastMediaTypes.add(MediaType.TEXT_HTML);
//        fastMediaTypes.add(MediaType.MULTIPART_FORM_DATA);
//
//        //4.在convert中添加配置信息.
//        fastJsonHttpMessageConverter.setSupportedMediaTypes(fastMediaTypes);
//        fastJsonHttpMessageConverter.setFastJsonConfig(fastJsonConfig);
//
//        //5.将convert添加到converters当中.
//        converters.add(fastJsonHttpMessageConverter);
//        converters.add(stringHttpMessageConverter);
//        converters.add(byteArrayHttpMessageConverter);
//    }

    /**
     * 启用@EnableWebMvc后，properties文件中的静态路径失效，必须覆盖后重新制定
     * 配置静态访问资源
     *
     * @param registry
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        // swagger2配置
        registry.addResourceHandler("/swagger-ui.html")
                .addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**")
                .addResourceLocations("classpath:/META-INF/resources/webjars/");

        // 静态资源拦截
        registry.addResourceHandler("/**")
                .addResourceLocations("classpath:/META-INF/")
                .addResourceLocations("classpath:/META-INF/resources/")
                .addResourceLocations("classpath:/resources/")
                .addResourceLocations("classpath:/static/")
                .addResourceLocations("classpath:/public/")
                .addResourceLocations("classpath:/statics/")
                .addResourceLocations("classpath:/template/")
                .addResourceLocations("classpath:/");
    }

}