package com.yeshi.fanli.service.impl.user;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import javax.annotation.Resource;

import org.hibernate.HibernateException;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.springframework.orm.hibernate4.HibernateCallback;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.yeshi.fanli.dao.mybatis.user.ShamUserMapper;
import com.yeshi.fanli.dao.user.ShamUserDao;
import com.yeshi.fanli.entity.bus.user.ShamUser;
import com.yeshi.fanli.service.inter.config.ConfigService;
import com.yeshi.fanli.service.inter.user.ShamUserService;
import com.yeshi.fanli.util.StringUtil;

import net.sf.json.JSONArray;

@Service
public class ShamUserServiceImpl implements ShamUserService {
	
	@Resource
	private ShamUserDao dao;
	
	@Resource
	private ShamUserMapper shamUserMapper;
	
	@Resource
	private ConfigService configService;
	
	
	@Transactional
	public void addShamUser(ShamUser shamUser) {
		dao.save(shamUser);
	}

	public List<ShamUser> getAll() {
		return dao.list("from ShamUser");
	}

	
	@SuppressWarnings("unchecked")
	public List<ShamUser> findShamUserList(int sum){
		return (List<ShamUser>) dao.excute(new HibernateCallback<List<ShamUser>>() {

			public List<ShamUser> doInHibernate(Session session)
					throws HibernateException {
				SQLQuery query = session.createSQLQuery("SELECT * FROM yeshi_ec_sham_user").addEntity(ShamUser.class);
				query.setFirstResult(0);
				query.setMaxResults(sum);
				List<ShamUser> list = query.list();
				return list;
			}
		});
	}
	
	
	@Transactional
	public void delete(final long id) {
		dao.excute(new HibernateCallback() {
			public Object doInHibernate(Session session)
					throws HibernateException {
					session.createQuery(" delete ShamUser su where su.id = ? ").setParameter(0, id).executeUpdate();
				return null;
			}
		});
	}



	@Override
	public int deleteByPrimaryKey(Long id) {
		return shamUserMapper.deleteByPrimaryKey(id);
	}

	@Override
	public int insert(ShamUser record) {
		return shamUserMapper.insert(record);
	}

	@Override
	public int insertSelective(ShamUser record) {
		return shamUserMapper.insertSelective(record);
	}

	@Override
	public ShamUser selectByPrimaryKey(Long id) {
		return shamUserMapper.selectByPrimaryKey(id);
	}

	@Override
	public int updateByPrimaryKeySelective(ShamUser record) {
		return shamUserMapper.updateByPrimaryKeySelective(record);
	}

	@Override
	public int updateByPrimaryKey(ShamUser record) {
		return shamUserMapper.updateByPrimaryKey(record);
	}
	
	
	@Override
	public List<ShamUser> listDistinctPicUrl(long start, int count) {
		return shamUserMapper.listByDistinctPicUrl(start, count);
	}
	
	@Override
	public int insertBatch(List<ShamUser> list) {
		return shamUserMapper.insertBatch(list);
	}
	
	@Override
	public int updateBatchSelective(List<ShamUser> list) {
		return shamUserMapper.updateBatchSelective(list);
	}
	
	@Override
	public List<ShamUser> listRandCouponUser(int count, int smallTime, int largeTime) {
		List<Integer> listTime = new ArrayList<Integer>();

		while (listTime.size() < count) {
			int time = smallTime + (int) (Math.random() * (largeTime - smallTime + 1));
			if (!listTime.contains(Integer.valueOf(time))) {
				listTime.add(Integer.valueOf(time));
			}
		}

		Collections.sort(listTime);

		List<ShamUser> listRand = shamUserMapper.listRand(count);

		for (int i = 1; i <= count; i++) {
			ShamUser shamUser = (ShamUser) listRand.get(i - 1);

			transformId(shamUser);

			shamUser.setMsg(listTime.get(listTime.size() - i) + "秒前领券购买了这个商品");
		}

		return listRand;
	}

	@Override
	public List<ShamUser> listRandShareUser(int count, BigDecimal shareMoney, int small, int large) {
		
		List<Integer> listMultiple = new ArrayList<Integer>();

		while (listMultiple.size() < count) {
			int Multiple = small + (int) (Math.random() * (large - small + 1));
			listMultiple.add(Integer.valueOf(Multiple));
		}

		List<String> imgList = new ArrayList<String>();
		String value = configService.get("shareBonusPicture");

		if (!StringUtil.isNullOrEmpty(value)) {
			JSONArray array = JSONArray.fromObject(value);
			if (array != null) {
				for (int n = 0; n < array.size(); n++) {
					imgList.add(array.optString(n));
				}
			}

		}

		List<ShamUser> listRand = shamUserMapper.listRand(count);

		for (int i = 0; i < count; i++) {
			ShamUser shamUser = (ShamUser) listRand.get(i);

			transformId(shamUser);

			if (imgList.size() > 0) {
				int randBonusPic = (int) (Math.random() * imgList.size());
				shamUser.setShareBonusPic((String) imgList.get(randBonusPic));
			}

			BigDecimal money = shareMoney.multiply(new BigDecimal(((Integer) listMultiple.get(i)).intValue())).setScale(2, 1);
			// 必须包含 【奖金¥】  这3个符号，  用于前端颜色区分
			shamUser.setMsg("分享了这个商品,累计获得奖金¥" + money);
		}

		return listRand;
	}

	public void transformId(ShamUser shamUser) {
		String id = shamUser.getId() + "";
		
		if (id.length() == 1) {
			shamUser.setShowId("2****" + id);
		} else {
			shamUser.setShowId(id.substring(0, 1) + "****" + id.substring(id.length() - 2, id.length() - 1));
		}
	}

}