package com.ozs.common.utils;

import com.ozs.common.constant.CacheConstants;
import com.ozs.common.constant.Constants;
import com.ozs.common.core.domain.model.LoginUser;
import com.ozs.common.core.redis.RedisCache;
import com.ozs.common.utils.ip.AddressUtils;
import com.ozs.common.utils.ip.IpUtils;
import com.ozs.common.utils.uuid.IdUtils;
import eu.bitwalker.useragentutils.UserAgent;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import io.swagger.models.auth.In;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Component
public class ApiTokenUtils {

    @Autowired
    private RedisCache redisCache;

    // 令牌自定义标识
    @Value("${token.header}")
    private String header;

    // 令牌秘钥
    @Value("${token.secret}")
    private String secret;

    // 令牌有效期（默认30分钟）
    @Value("${token.expireTime}")
    private int expireTime;

    protected static final long MILLIS_SECOND = 1000;

    protected static final long MILLIS_MINUTE = 60 * MILLIS_SECOND;

    private static final Long MILLIS_MINUTE_TEN = 20 * 60 * 1000L;


    /**
     * 地址灾害获取token信息
     *
     * @return 用户信息
     */
    public String getGeoHazardMonitorToken(HttpServletRequest request) {
        // 获取请求携带的令牌
        String token = getGeoToken(request);
        if (StringUtils.isNotEmpty(token)) {
            try {
                Claims claims = parseToken(token);
                // 解析对应的权限
                String clientId = (String) claims.get(Constants.GEOHAZARDMONITOR_KEY);
                String userKey = getGeoHazardMonitorTokenKey(clientId);
                String tokens = redisCache.getCacheObject(userKey);
                return tokens;
            } catch (Exception e) {
            }
        }
        return null;
    }


    /**
     * 地址灾害创建令牌
     *
     * @return
     */
    public ArrayList<String> createGeoHazardMonitorToken(String grantType, String clientId, String clientSecret) {
        ArrayList<String> parameter = new ArrayList<>();
        String token = IdUtils.fastUUID();
        String tokenKey = getGeoHazardMonitorTokenKey(clientId);
        parameter.add(String.valueOf(System.currentTimeMillis() + expireTime * MILLIS_MINUTE));
        StringBuilder stringBuilder=new StringBuilder();
        stringBuilder.append(token);
        stringBuilder.append("-");
        stringBuilder.append(grantType);
        stringBuilder.append("-");
        stringBuilder.append(clientId);
        stringBuilder.append("-");
        stringBuilder.append(clientSecret);
        String tokens = stringBuilder.toString();
        redisCache.setCacheObject(tokenKey, tokens, expireTime, TimeUnit.MINUTES);
        Map<String, Object> claims = new HashMap<>();
        claims.put(Constants.GEOHAZARDMONITOR_KEY, clientId);
        parameter.add(createToken(claims));
        return parameter;
    }


    /**
     * 从数据声明生成令牌
     *
     * @param claims 数据声明
     * @return 令牌
     */
    private String createToken(Map<String, Object> claims) {
        String token = Jwts.builder()
                .setClaims(claims)
                .signWith(SignatureAlgorithm.HS512, secret).compact();
        return token;
    }

    /**
     * 从令牌中获取数据声明
     *
     * @param token 令牌
     * @return 数据声明
     */
    private Claims parseToken(String token) {
        return Jwts.parser()
                .setSigningKey(secret)
                .parseClaimsJws(token)
                .getBody();
    }


    /**
     * 获取请求token
     *
     * @param request
     * @return token
     */
    private String getGeoToken(HttpServletRequest request) {
        String token = request.getHeader(header);
        if (StringUtils.isNotEmpty(token) && token.startsWith(Constants.TOKEN_PREFIX)) {
            token = token.replace(Constants.TOKEN_PREFIX, "");
        }
        return token;
    }

    private String getGeoHazardMonitorTokenKey(String uuid) {
        return CacheConstants.GEOHAZARDMONITOR_LOGIN_TOKEN_KEY + uuid;
        
    }
}