package com.backendsys.modules.system.utils;

import cn.hutool.core.convert.Convert;
import cn.hutool.core.date.DateUnit;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.json.JSONUtil;
import com.backendsys.modules.common.config.redis.utils.RedisUtil;
import com.backendsys.modules.common.config.security.entity.SecurityUserInfo;
import com.backendsys.modules.common.config.security.utils.JwtUtil;
import com.backendsys.modules.system.entity.SysUserInfo;
import com.backendsys.modules.system.entity.TokenCatch;
import com.backendsys.modules.system.service.SysCommonService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.util.Date;
import java.util.List;
import java.util.concurrent.TimeUnit;

@Component
public class UserUtil {

    @Autowired
    private JwtUtil jwtUtil;
    @Autowired
    private RedisUtil redisUtil;
    
    @Autowired
    private SysCommonService sysCommonService;

    @Value("${REDIS_LOGIN_TOKEN_PREFIX}")
    private String REDIS_LOGIN_TOKEN_PREFIX;

    public static final long SEVEN_DAYS_MILLIS = 7L * 24 * 60 * 60 * 1000;

    /**
     * 实时更新缓存: 用户信息
     */
    public SysUserInfo syncUpdateUserCatch(SysUserInfo userInfo, Integer tokenDurationHours, Boolean isRemember) {

        // -- 重置过期时间 -----------------------------------
        Integer durationHours = tokenDurationHours != null ? tokenDurationHours : Convert.toInt(SEVEN_DAYS_MILLIS / 3600000L);
        Long tokenDurationMilliseconds = getTokenDuration(isRemember);
        Date tokenExpiration = new Date((new Date()).getTime() + tokenDurationMilliseconds);
        userInfo.setToken_expiration(DateUtil.format(tokenExpiration, "yyyy-MM-dd HH:mm:ss"));

        // 生成 Token
        String lastLoginUuid = userInfo.getLast_login_uuid();
        SecurityUserInfo securityUserInfo = JSONUtil.toBean(JSONUtil.parseObj(userInfo), SecurityUserInfo.class);

        String token = jwtUtil.createSystemJwtToken(securityUserInfo);
        userInfo.setToken(token);

        // [Redis] 将 Token 与 Permission 存入缓存
        String tokenRedisKey = REDIS_LOGIN_TOKEN_PREFIX + lastLoginUuid;
        TokenCatch tokenCatch = new TokenCatch(token, userInfo.getPermission_ids());
        redisUtil.setCacheObject(tokenRedisKey, JSONUtil.toJsonStr(tokenCatch), durationHours, TimeUnit.HOURS);

        System.out.println("syncUpdateUserCatch = " + userInfo);

        return userInfo;
    }


    /**
     * 获得登录过期时间 (毫秒)
     */
    public Long getTokenDuration(Boolean isRemember) {
        System.out.println("isRemember = " + isRemember);
        // [系统配置] 系统用户默认登录过期时间(小时)
        Integer SYSTEM_USER_LOGIN_DURATION_DEFAULT = Convert.toInt(sysCommonService.getCommonByTag("SYSTEM_USER_LOGIN_DURATION_DEFAULT"));
        // 将小时转换为毫秒
        Long DEFAULT_MILLISECONDS = SYSTEM_USER_LOGIN_DURATION_DEFAULT * DateUnit.HOUR.getMillis();
        // 是否钩选 "7天免登录"，否则按系统配置-默认过期时间
        Long tokenDurationMilliseconds = isRemember ? SEVEN_DAYS_MILLIS : DEFAULT_MILLISECONDS;
        return tokenDurationMilliseconds;
    }
}