package kr.wisestone.owl.config;

import kr.wisestone.owl.web.converter.FileHttpMessageConverter;
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.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.*;
import org.springframework.web.servlet.i18n.CookieLocaleResolver;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;

/**
 * Created by jeong on 2017-08-01.
 */
@EnableWebMvc
@Configuration
public class WebMvcConfiguration implements WebMvcConfigurer {

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

        MappingJackson2HttpMessageConverter jsonConverter = this.mappingJackson2HttpMessageConverter();
        jsonConverter.setSupportedMediaTypes(Arrays.asList(MediaType.APPLICATION_JSON, MediaType.TEXT_HTML));
        converters.add(jsonConverter);

        FileHttpMessageConverter fileConverter = this.fileHttpMessageConverter();
        converters.add(fileConverter);
    }

    @Bean
    public MappingJackson2HttpMessageConverter mappingJackson2HttpMessageConverter() {
        return new MappingJackson2HttpMessageConverter();
    }

    @Bean
    public FileHttpMessageConverter fileHttpMessageConverter() {
        return new FileHttpMessageConverter();
    }

    @Bean
    public MultipartResolver multipartResolver() {
        CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver();
        commonsMultipartResolver.setMaxUploadSize(314572800);
        return commonsMultipartResolver;
    }

    @Bean
    public LocaleChangeInterceptor localeChangeInterceptor() {
        LocaleChangeInterceptor localeChangeInterceptor = new LocaleChangeInterceptor();
        localeChangeInterceptor.setParamName("language");
        return localeChangeInterceptor;
    }

    @Bean
    public LocaleResolver localeResolver() {
        CookieLocaleResolver localeResolver = new CookieLocaleResolver();
        localeResolver.setCookieMaxAge(3600);
        localeResolver.setDefaultLocale(new Locale("ko_KR"));
        Locale locale = new Locale("ko", "KR");
        locale.setDefault(locale);

        return localeResolver;
    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
        configurer.enable();
    }

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("index.html");
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(this.localeChangeInterceptor());
    }
}