package com.ynxbd.wx.wxfactory;

import com.ynxbd.common.bean.User;
import com.ynxbd.common.config.EhCacheConfig;
import com.ynxbd.wx.wxfactory.bean.AccessToken;
import lombok.extern.slf4j.Slf4j;
import org.ehcache.Cache;

@Slf4j
public class WxCacheHelper {
    static {
        createUserCache();
        createAccessTokenCache();
    }

    // 缓存
    private static Cache<String, User> USER_CACHE;

    private static Cache<String, AccessToken> ACCESS_TOKEN_CACHE;

    private synchronized static void createUserCache() {
        if (USER_CACHE == null) {
            USER_CACHE = EhCacheConfig.createCacheTTL(String.class, User.class, "wx_auth_cache", (5400L)); // 一个半小时
        }
    }


    public static Cache<String, User> getUserCache() {
        if (USER_CACHE == null) {
            createUserCache();
        }
        return USER_CACHE;
    }

    public static void removeUser(String openid) {
        Cache<String, User> cache = getUserCache();
        if (cache != null) {
            cache.remove(openid);
        }
    }

    public static User getCacheUser(String openid) {
        if (USER_CACHE == null) {
            createUserCache();
        }
        return USER_CACHE.get(openid);
    }

    public static final String ACCESS_TOKEN_CACHE_NAME = "access_token";


    private synchronized static void createAccessTokenCache() {
        if (ACCESS_TOKEN_CACHE == null) {
            ACCESS_TOKEN_CACHE = EhCacheConfig.createCacheTTL(String.class, AccessToken.class, "wx_access_token_cache", (7100L)); // 一个半小时
        }
    }

    public static AccessToken getWxAccessToken() {
        if (ACCESS_TOKEN_CACHE == null) {
            createAccessTokenCache();
        }
        AccessToken token = new AccessToken();

        AccessToken cacheToken = ACCESS_TOKEN_CACHE.get(ACCESS_TOKEN_CACHE_NAME);
        log.warn("cacheToken={}", cacheToken);
        if (cacheToken != null) {
            token.setCreateTime(cacheToken.getCreateTime());
            token.setAccessToken(cacheToken.getAccessToken());
            return token;
        }
        AccessToken respToken = WxMedicalHelper.getAccessToken(ACCESS_TOKEN_CACHE);
        if (respToken == null) {
            return null;
        }

        log.warn("respToken={}", respToken);
        token.setCreateTime(respToken.getCreateTime());
        token.setAccessToken(respToken.getAccessToken());
        ACCESS_TOKEN_CACHE.put(ACCESS_TOKEN_CACHE_NAME, respToken);
        return token;
    }


    public static String getAccessToken() {
        AccessToken accessToken = getWxAccessToken();
        if (accessToken != null) {
            return accessToken.getAccessToken();
        }
        return null;
    }

}