package com.zmzm.financial.config;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zmzm.financial.common.entity.User;
import com.zmzm.financial.common.entity.UserToken;
import com.zmzm.financial.common.service.IUserService;
import com.zmzm.financial.common.service.IUserTokenService;
import org.apache.shiro.authc.*;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.Date;

@Component
public class CustomRealm extends AuthorizingRealm {

    @Autowired
    private IUserService userService;
    @Autowired
    private IUserTokenService userTokenService;

    @Override
    public boolean supports(AuthenticationToken token) {
        return token instanceof OAuth2Token;
    }

    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        String account = (String) principals.getPrimaryPrincipal();
        User user = userService.getOne(new LambdaQueryWrapper<User>().eq(User::getAccount, account));
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
//        info.addRoles(user.getRole());
        return info;
    }

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token)
            throws AuthenticationException {
        String accessToken = token.getPrincipal().toString();
        UserToken userToken = userTokenService.getOne(new LambdaQueryWrapper<UserToken>()
                .eq(UserToken::getToken, accessToken));
        //token失效
        if(userToken == null || userToken.getExpireTime().getTime() < System.currentTimeMillis()){
            throw new IncorrectCredentialsException("token失效，请重新登录");
        }
        User user = userService.getById(userToken.getUserId());
        if (user == null) throw new UnknownAccountException();
        Long timeout = (userToken.getExpireTime().getTime() - System.currentTimeMillis())/(1000 * 60 * 60);
        if (timeout <= 1){
            // token 续期
            Date now = new Date();
            Date expireTime = new Date(now.getTime() + (3600 * 3 * 1000) );
            userToken.setExpireTime(expireTime);
            userTokenService.updateById(userToken);
        }
        return new SimpleAuthenticationInfo(user, token.getCredentials(), getName());
    }
}