package com.yanzuoguang.wxxcx.servicecustomer.gettempmedia;

import com.alibaba.fastjson.TypeReference;
import com.yanzuoguang.util.helper.CheckerHelper;
import com.yanzuoguang.util.helper.HttpHelper;
import com.yanzuoguang.util.helper.JsonHelper;
import com.yanzuoguang.wxxcx.base.*;

/**
 * 获取客服消息内的临时素材 转换
 * 即下载临时的多媒体文件。目前小程序仅支持下载图片文件
 *
 * @author 李贤军
 */
public class WxXcxCustomerServiceMessageGetTempMediaRequest implements WxXcxRequestUrl, WxXcxRequestUrlPara {

    private final WxXcxConfig wxXcxConfig;
    private final WxXcxRequest wxXcxRequest;
    private final WxXcxAccessToken accessToken;
    private final WxXcxCustomerServiceMessageGetTempMediaReq req;

    public WxXcxCustomerServiceMessageGetTempMediaRequest(WxXcxConfig wxXcxConfig, WxXcxRequest wxXcxRequest, WxXcxAccessToken accessToken, WxXcxCustomerServiceMessageGetTempMediaReq req) {
        this.wxXcxConfig = wxXcxConfig;
        this.wxXcxRequest = wxXcxRequest;
        this.accessToken = accessToken;
        this.req = req;
    }

    @Override
    public String getUrl() {
        return wxXcxConfig.getBaseUrl() + wxXcxConfig.getCustomerServiceMessageGetTempMediaUrl() + "?" + this.getUrlPara();
    }

    @Override
    public String getUrlPara() {
        return HttpHelper.getUrlParameter(req);
    }

    public WxXcxCustomerServiceMessageGetTempMediaRes getResponse() {
        checkParam(req);
        return this.wxXcxRequest.request(this, response -> {
            WxXcxCustomerServiceMessageGetTempMediaRes ret = JsonHelper.deserialize(response, new TypeReference<WxXcxCustomerServiceMessageGetTempMediaRes>() {
            });
            WxXcxAssert.assertBaseError(ret);
            return ret;
        });
    }

    private void checkParam(WxXcxCustomerServiceMessageGetTempMediaReq req) {
        CheckerHelper.newInstance().notBlankCheck(WxXcxAccessTokenField.FIELD_ACCESS_TOKEN, req.getAccess_token())
                .notBlankCheck("media_id", req.getMedia_id())
                .checkException();
    }
}