package com.heyu.api.alibaba;

import com.alibaba.fastjson.JSON;
import com.heyu.api.alibaba.request.ACommonTextRequest;
import com.heyu.api.data.dto.ImageInfoModel;
import com.heyu.api.data.utils.*;
import com.heyu.api.oss.OssFileUploadService;
import lombok.extern.slf4j.Slf4j;

@Slf4j
public abstract class AlibabaBaseHandle<PP, RR> {

    /**
     * 较验参数
     */
    public abstract String check(PP p);

    public ApiR<RR> handle(PP p) {
        try {
            String check = check(p);
            if (check != null) {
                log.info("AlibabaBaseHandle check:{}", check);
                return ApiR.error(check);
            }
            com.aliyun.teautil.models.RuntimeOptions runtime = new com.aliyun.teautil.models.RuntimeOptions();
            String value = AnnotationUtils.getAnnotation(this.getClass(), "QPS");
            if (StringUtils.isNotEmpty(value)) {
                RedisUtils redisUtils = SpringContextUtils.getBean(RedisUtils.class);
                String key = this.getClass().getName() + "#QPS";
                boolean flag = redisUtils.tryGetAccess(key, NumberUtil.objToIntDefault(value, 1), 1);
                if (!flag) {
                    log.info("AlibabaBaseHandle redis limit :{}", key);
                    return ApiR.error("限流了");
                }
            }
            Object resp = run(p, runtime);
            log.info(this.getClass().getSimpleName() + " handle resp:{}", JSON.toJSONString(resp));
            if (resp != null) {
                if (resp instanceof String) {
                    return ApiR.error((String) resp);
                } else {
                    return ApiR.setData(resp);
                }
            }
        } catch (Exception e) {
            log.error("AlibabaBaseHandle handle error", e);
        }
        return null;
    }


    public abstract RR run(PP ap, com.aliyun.teautil.models.RuntimeOptions runtime) throws Exception;

    public String checkUrlBase64(ACommonTextRequest request) {
        OssFileUploadService ossFileUploadService = SpringContextUtils.getBean(OssFileUploadService.class);
        String className = request.getClass().getName();
        if (StringUtils.isBlank(request.getImageUrl())
                && StringUtils.isBlank(request.getImageBase64())) {
            log.info(className + " url and body not null");
            return "url 或 base64 不能同时为空";
        }
        if (StringUtils.isNotBlank(request.getImageBase64())) {
            try {

                //下面对图片大小，格式做判断是否符合要求，不符合要求直接返回提示
                String base64;
                if (request.getImageBase64().startsWith("data")) {
                    base64 = request.getImageBase64().substring(request.getImageBase64().indexOf("base64,") + 7);
                } else {
                    base64 = request.getImageBase64();
                }
                if (!base64.startsWith("/9j/")) {
                    log.info("图片格式错误，只支持jpg格式");
                    return "图片格式错误，只支持jpg格式";
                }
                ImageInfoModel imageInfoModel = Base64Utils.getBase64ImageInfo(base64);
                if (imageInfoModel == null) {
                    log.info("无法解析图片、或者格式错误，只支持jpg格式");
                    return "无法解析图片格式，请检查图片格式，只支持jpg格式";
                }
                if (imageInfoModel.getSize() > 4 *   1024 * 1024) {
                    log.info("图片大小超过1M");
                    return "图片大小超过1M";
                }
                if (imageInfoModel.getWidth() > 4096 || imageInfoModel.getHeight() > 4096) {
                    log.info("图片尺寸过大");
                    return "图片尺寸过大，不能超过2048x2048";
                }
                if (imageInfoModel.getWidth() < 15 || imageInfoModel.getHeight() < 15) {
                    log.info("图片尺寸过小");
                    return "图片尺寸过小，不能小于640x480";
                }
                String url = ossFileUploadService.uploadFileContentByBase64(request.getImageBase64(), "jpg");
                if (StringUtils.isBlank(url)) {
                    log.error(className + " oss file upload is null");
                    return "你的base64内容有误";
                }
                request.setImageUrl(url);
            } catch (Exception e) {
                log.error(className + " oss file upload error", e);
            }
        }
        return null;
    }
}