package com.izouma.nineth.service.netease;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.github.kevinsawicki.http.HttpRequest;
import com.izouma.nineth.domain.netease.NeteaseUser;
import com.izouma.nineth.domain.User;
import com.izouma.nineth.dto.PageQuery;
import com.izouma.nineth.exception.BusinessException;
import com.izouma.nineth.repo.NeteaseUserRepo;
import com.izouma.nineth.repo.UserRepo;
import com.izouma.nineth.utils.JpaUtils;
import com.izouma.nineth.utils.netease.CheckSumBuilder;
import lombok.AllArgsConstructor;
import org.apache.commons.lang.RandomStringUtils;
import org.springframework.data.domain.Page;
import org.springframework.stereotype.Service;

import java.sql.Timestamp;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.HashMap;
import java.util.Map;

@Service
@AllArgsConstructor
public class NeteaseUserService {

    private NeteaseUserRepo neteaseUserRepo;
    private UserRepo        userRepo;

    public Page<NeteaseUser> all(PageQuery pageQuery) {
        return neteaseUserRepo
                .findAll(JpaUtils.toSpecification(pageQuery, NeteaseUser.class), JpaUtils.toPageRequest(pageQuery));
    }

    public String httpPost(String url, String contentType, Map<String, Object> params) {
        Map<String, String> headers = new HashMap<>();
        String appKey = "872dd9d0a0f8eda25b579654745db459";
        String nonce = RandomStringUtils.randomAlphabetic(32);
        Timestamp timestamp = new Timestamp(LocalDateTime.now(ZoneOffset.UTC).toInstant(ZoneOffset.UTC)
                .getEpochSecond());
        String curTime = String.valueOf(timestamp.getTime());
        String appSecret = "24e63777e4bb";
        headers.put("AppKey", appKey);
        headers.put("Nonce", nonce);
        headers.put("CurTime", curTime);
        headers.put("CheckSum", CheckSumBuilder.getCheckSum(appSecret, nonce, curTime));
        return HttpRequest.post("https://api.netease.im/nimserver/" + url)
                .contentType(contentType)
                .headers(headers)
                .form(params)
                .body();
    }

    public NeteaseUser create(Long userId) {
        User user = userRepo.findById(userId).orElseThrow(new BusinessException("暂无用户信息"));
        String url = "user/create.action";
        String contentType = "application/x-www-form-urlencoded;charset=utf-8";
        Map<String, Object> params = new HashMap<>();
        params.put("accid", String.valueOf(user.getId()));
        params.put("name", user.getNickname());
        params.put("mobile", "+86-" + user.getPhone());
        params.put("icon", user.getAvatar());
        String result = httpPost(url, contentType, params);
        JSONObject jsonObject = JSON.parseObject(result);
        Integer code = jsonObject.getInteger("code");
        if (code != 200) {
            throw new BusinessException("注册出错，请核查后重新注册");
        }
        JSONObject info = jsonObject.getJSONObject("info");
        String accId = info.getString("accid");
        String name = info.getString("name");
        String token = info.getString("token");
        String icon = info.getString("icon");
        NeteaseUser neteaseUser = NeteaseUser.builder().accId(accId).userId(userId).name(name).token(token).icon(icon)
                .build();
        return neteaseUserRepo.save(neteaseUser);
    }

    public NeteaseUser updateToken(Long userId) {
        NeteaseUser record = neteaseUserRepo.findById(userId).orElseThrow(new BusinessException("该用户暂无注册信息"));
        String url = "user/update.refreshToken";
        String contentType = "application/x-www-form-urlencoded;charset=utf-8";
        Map<String, Object> params = new HashMap<>();
        params.put("accid", String.valueOf(userId));
        String result = httpPost(url, contentType, params);
        JSONObject jsonObject = JSON.parseObject(result);
        Integer code = jsonObject.getInteger("code");
        if (code != 200) {
            throw new BusinessException("注册出错，请核查后重新注册");
        }
        JSONObject info = jsonObject.getJSONObject("info");
        String token = info.getString("token");
        record.setToken(token);
        return neteaseUserRepo.save(record);
    }
}