package com.hxzk.gps.filter;

import org.springframework.context.MessageSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.support.ResourceBundleMessageSource;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;

import java.util.Locale;

@Configuration
public class WebConfig implements WebMvcConfigurer {

    // 配置消息源，用于加载资源文件
    @Bean
    public MessageSource messageSource() {
        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
        messageSource.setBasename("messages"); // 指定资源文件的基本名称
        messageSource.setCacheSeconds(0);
        messageSource.setDefaultEncoding("UTF-8"); // 设置字符编码
        return messageSource;
    }

    // 配置 LocaleResolver，用于解析用户的 Locale
    @Bean
    public LocaleResolver localeResolver() {
        SessionLocaleResolver slr = new SessionLocaleResolver();
        slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE); // 设置默认 Locale
        return slr;
    }

    // 配置 LocaleChangeInterceptor，用于根据请求参数切换 Locale
    @Bean
    public LocaleChangeInterceptor localeChangeInterceptor() {
        LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
        lci.setParamName("lang"); // 指定切换语言的请求参数名
        return lci;
    }

    // 将 LocaleChangeInterceptor 添加到拦截器链中
    // 注意：LocaleChangeInterceptor现在在SaTokenConfigure中注册，以避免拦截器执行顺序问题
    // @Override
    // public void addInterceptors(InterceptorRegistry registry) {
    //     registry.addInterceptor(localeChangeInterceptor());
    // }
}