package com.newyetai.sdk.fangxinqian.util;

import com.newyetai.common.util.JsonUtils;
import com.newyetai.sdk.fangxinqian.dto.FxqResponseDTO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.util.StopWatch;
import org.springframework.web.client.RestTemplate;

@Slf4j
@Component
public class HttpUtil<T, R> {

    private static RestTemplate restTemplate;

    @Autowired
    public HttpUtil(RestTemplate restTemplate) {
        this.restTemplate = restTemplate;
    }

    /**
     * Http 通用请求封装
     *
     * @param url           请求地址
     * @param requestDto    请求实体
     * @param responseClazz 返回实体Class
     * @param <T>
     * @param <R>
     * @return
     */
    public static <T, R extends FxqResponseDTO> FxqResponseDTO execute(String url, T requestDto, Class<R> responseClazz) {
        ResponseEntity<R> response;
        StopWatch stopWatch = new StopWatch();
        stopWatch.start();
        try {
            log.debug("fangxinqian request url :{}", url);
            log.info("fangxinqian request requestDto :{}", JsonUtils.toJsonString(requestDto));
            HttpHeaders headers = new HttpHeaders();
            headers.setContentType(MediaType.APPLICATION_JSON);
            HttpEntity request = new HttpEntity<>(requestDto, headers);
            response = restTemplate.postForEntity(url, request, responseClazz);
            log.info("fangxinqian {}:{}", responseClazz.getName(), JsonUtils.toJsonString(response));
        } catch (Exception e) {
            log.error("fangxinqian {} invoke error:{}", requestDto.getClass().getName(),
                    e);
            stopWatch.stop();
            return FxqResponseDTO.buildCommonError();
        }
        stopWatch.stop();
        log.info("fangxinqian consuming {} s", stopWatch.getTotalTimeSeconds());
        return JsonUtils.objToClassObj(response.getBody(), responseClazz);
    }
}