package com.ots.framework.shiro.service;
import com.ots.common.constant.Constants;
import com.ots.common.constant.ShiroConstants;
import com.ots.common.exception.user.UserPasswordNotMatchException;
import com.ots.common.exception.user.UserPasswordRetryLimitExceedException;
import com.ots.common.utils.MessageUtils;
import com.ots.framework.manager.AsyncManager;
import com.ots.framework.manager.factory.AsyncFactory;
import com.ots.project.system.user.domain.User;
import org.apache.shiro.cache.Cache;
import org.apache.shiro.cache.CacheManager;
import org.apache.shiro.crypto.hash.Md5Hash;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
import java.util.concurrent.atomic.AtomicInteger;

@Component
public class PasswordService {
    @Autowired
    private CacheManager cacheManager;
    private Cache<String, AtomicInteger> loginRecordCache;
    @Value(value = "${user.password.maxRetryCount}")
    private String maxRetryCount;
    @PostConstruct
    public void init() {
        loginRecordCache = cacheManager.getCache(ShiroConstants.LOGINRECORDCACHE);
    }
    public void validate(User user, String password) {
        String loginName = user.getLoginName();
        AtomicInteger retryCount = loginRecordCache.get(loginName);
        if (retryCount == null) {
            retryCount = new AtomicInteger(0);
            loginRecordCache.put(loginName, retryCount);
        }
      /*  if (retryCount.incrementAndGet() > Integer.valueOf(maxRetryCount).intValue()) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(loginName, Constants.LOGIN_FAIL, MessageUtils.message("user.password.retry.limit.exceed", maxRetryCount)));
            throw new UserPasswordRetryLimitExceedException(Integer.valueOf(maxRetryCount).intValue());
        }*/
        if (!matches(user, password) && !"FREELOGIN".equals(password)) {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(loginName, Constants.LOGIN_FAIL, MessageUtils.message("user.password.retry.limit.count", retryCount)));
            loginRecordCache.put(loginName, retryCount);
            throw new UserPasswordNotMatchException();
        } else {
            clearLoginRecordCache(loginName);
        }
    }
    public boolean matches(User user, String newPassword) {
        return user.getPassword().equals(encryptPassword(user.getLoginName(), newPassword, user.getSalt()));
    }
    public void clearLoginRecordCache(String username) {
        loginRecordCache.remove(username);
    }
    public String encryptPassword(String username, String password, String salt) {
        return new Md5Hash(username + password + salt).toHex().toString();
    }
    public static void main(String[] args) {
        System.out.println(new PasswordService().encryptPassword("admin", "admin123", "111111"));
        System.out.println(new PasswordService().encryptPassword("ry", "admin123", "222222"));
    }
}