package com.zy.common.i18n;

import com.core.common.R;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice
public class I18nResponseBodyAdvice implements ResponseBodyAdvice<Object> {

    @Autowired
    private I18nMessageService i18nMessageService;

    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body, MethodParameter returnType, MediaType selectedContentType,
                                  Class<? extends HttpMessageConverter<?>> selectedConverterType,
                                  ServerHttpRequest request, ServerHttpResponse response) {
        if (body instanceof R) {
            R result = (R) body;
            Object msg = result.get("msg");
            if (msg instanceof String) {
                result.put("msg", i18nMessageService.translateLegacy((String) msg));
            }
        }
        return body;
    }
}