package com.yuanchung.sales.dao.admin.position.impl;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.SQLQuery;
import org.hibernate.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.yuanchung.sales.constants.DataBaseTableName;
import com.yuanchung.sales.constants.HibernateEntityName;
import com.yuanchung.sales.dao.admin.position.PositionRightsDAO;
import com.yuanchung.sales.model.Treeview;
import com.yuanchung.sales.model.admin.Rights;
import com.yuanchung.sales.model.admin.position.PositionRights;
import com.yuanchung.sales.model.admin.position.PositionRightsArea;

/**
 * A data access object (DAO) providing persistence and search support for
 * PositionRights entities. Transaction control of the save(), update() and
 * delete() operations can directly support Spring container-managed
 * transactions or they can be augmented to handle user-managed Spring
 * transactions. Each of these methods provides additional information for how
 * to configure it for the desired type of transaction control.
 * 
 * @see com.yuanchung.sales.model.admin.position.PositionRights
 * @author MyEclipse Persistence Tools
 */

public class PositionRightsDAOImpl extends HibernateDaoSupport implements PositionRightsDAO{
	private static final Log log = LogFactory.getLog(PositionRightsDAOImpl.class);
	// property constants
	public static final String TREEVIEW_ID = "treeviewId";
	public static final String RIGHTS_ID = "rightsId";

	protected void initDao() {
		// do nothing
	}

	public void save(PositionRights transientInstance) {
		log.debug("saving PositionRights instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(PositionRights persistentInstance) {
		log.debug("deleting PositionRights instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public PositionRights findById(java.lang.Integer id) {
		log.debug("getting PositionRights instance with id: " + id);
		try {
			PositionRights instance = (PositionRights) getHibernateTemplate()
					.get(
							"com.yuanchung.sales.model.admin.position.PositionRights",
							id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(PositionRights instance) {
		log.debug("finding PositionRights instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding PositionRights instance with property: "
				+ propertyName + ", value: " + value);
		try {
			String queryString = "from PositionRights as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByTreeviewId(Object treeviewId) {
		return findByProperty(TREEVIEW_ID, treeviewId);
	}

	public List findByRightsId(Object rightsId) {
		return findByProperty(RIGHTS_ID, rightsId);
	}

	public List findAll() {
		log.debug("finding all PositionRights instances");
		try {
			String queryString = "from PositionRights";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public PositionRights merge(PositionRights detachedInstance) {
		log.debug("merging PositionRights instance");
		try {
			PositionRights result = (PositionRights) getHibernateTemplate()
					.merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(PositionRights instance) {
		log.debug("attaching dirty PositionRights instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(PositionRights instance) {
		log.debug("attaching clean PositionRights instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static PositionRightsDAO getFromApplicationContext(
			ApplicationContext ctx) {
		return (PositionRightsDAO) ctx.getBean("PositionRightsDAO");
	}

	public int getMaxId() {
		int maxId = 0;
		String sql = "select max(pr.id) From "+ DataBaseTableName.POSITION_RIGHTS +" pr";
		SQLQuery query = this.getSession().createSQLQuery(sql);
		List list = query.list();
		if(list.size()>0){
			Integer longId = (Integer)list.get(0); 
			maxId = longId.intValue();
		}
		return maxId;
	}

	/**
	 * 根據崗位ID,獲取所有功能權限
	 * @param positionId 崗位ID
	 * @return List<Rights> 權限對象集合
	 * 修改說明：2008－12－10 修改hql語句，加個查詢排序
	 */
	public List<PositionRights> getRightsByPositionId(int positionId) {
		List<PositionRights>  positionRights = new ArrayList();
		String hql = " From "+ HibernateEntityName.POSITION_RIGHTS +" pr Where pr.treeviewId=" + positionId;
		positionRights = this.getHibernateTemplate().find(hql);
		return positionRights;
	}

	
	/**
	 * 根據權限ID崗位ID,獲取數據范圍
	 * @param rightsID權限ID positionId 崗位ID;
	 * @return List<PositionRightsArea> 崗位權限數據范圍對象集合
	 */
	public List<PositionRightsArea> getRightsByPositionId(int rightsId,
			int positionId) {
		List<PositionRightsArea>  positionRightsArea = new ArrayList();
		String hql = " From "+ HibernateEntityName.POSITION_RIGHTS_AREA +" pra Where pra.positionRightsId in (";
			   hql+= " Select pr.id From "+ HibernateEntityName.POSITION_RIGHTS +" pr Where pr.treeviewId=" + positionId;
			   hql+= " And pr.rightsId=" + rightsId;
			   hql+= " )";
			   log.debug("hql : " + hql);
		positionRightsArea = this.getHibernateTemplate().find(hql);
		return positionRightsArea;
	}
	
	/**
	 * 根據崗位ID,獲取數據范圍
	 * @param rightsID權限ID positionId 崗位ID;
	 * @return List<PositionRightsArea> 崗位權限數據范圍對象集合
	 */
	public List<PositionRightsArea> getRightsAreaByPId(int positionId) {
		List<PositionRightsArea>  positionRightsArea = new ArrayList();
		String hql = " From "+ HibernateEntityName.POSITION_RIGHTS_AREA +" pra Where pra.positionRightsId in (";
			   hql+= " Select pr.id From "+ HibernateEntityName.POSITION_RIGHTS +" pr Where pr.treeviewId=" + positionId;
			   hql+= " )";
		positionRightsArea = this.getHibernateTemplate().find(hql);
		return positionRightsArea;
	}

	/**
	 * 根據崗位ID集合刪除崗位權限關聯表里的信息
	 * @param List positionIds
	 */
	public void deletePositionRightsByPositionIds(List positionIds) {
		
		String hql = " Delete From "+ HibernateEntityName.POSITION_RIGHTS +" Where 1=1 ";
		for(int i=0; i<positionIds.size(); i++){
		       hql+= " And treeviewId = " + positionIds.get(i);
		}
		int count = this.getHibernateTemplate().bulkUpdate(hql);
		System.out.println("刪除了崗位權限關聯記錄: " + count);
	}

	/**
	 * 根據崗位ID獲取功能權限實體對象
	 * @param Integer id
	 * @return List<Rights> rights
	 */
	@SuppressWarnings("unchecked")
	public List<Rights> getRightsEntityByPositionId(final Integer id) {
		return this.getHibernateTemplate().executeFind(new HibernateCallback() {
			public Object doInHibernate(Session session)
					throws HibernateException, SQLException {
				//2009-01-21 sql 改 加了 "r.id = pra.rights_id"
				String sql = " select r.* from "+ DataBaseTableName.POSITION_RIGHTS +" pra, "+ DataBaseTableName.RIGHTS +" r Where pra.treeview_id=" + id + " and r.id = pra.rights_id";
				log.debug("sql : " + sql);
				Query query = session.createSQLQuery(
						sql)
						.addEntity(Rights.class);
				List<Rights> rights = query.list();
				return rights;
			}

		});
	}

	
	/**
	 * 根據崗位ID與權限ID,獲取所有功能權限
	 * @param positionId 崗位ID
	 * @return List<Rights> 權限對象集合
	 */
	public PositionRights findByPositionIdRightsId(int positionId, int rightsId) {
		
		List<PositionRights>  positionRights = new ArrayList();
		PositionRights pr = null;
		String hql = " From "+ HibernateEntityName.POSITION_RIGHTS +" pr Where pr.treeviewId=" + positionId + " and pr.rightsId=" + rightsId;
		positionRights = this.getHibernateTemplate().find(hql);
		if(positionRights.size() > 0){
			pr = positionRights.get(0);
		}
		return pr;
	}

}