package com.fgkj.dao.impl;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;

import com.fgkj.dao.BaseDAO;
import com.fgkj.dao.CallBack;
import com.fgkj.dao.DAOHelper;
import com.fgkj.dao.LimitNumberFactory;
import com.fgkj.db.DBUtil;
import com.fgkj.db.IDatabaseName;
import com.fgkj.dto.Announce;
import com.fgkj.dto.Page;

public class AnnounceImpl implements BaseDAO,CallBack{

	public List getResults(ResultSet rs) {
		List list=new ArrayList(); 
		
		try {
			while(rs.next()){
				Announce announ=new Announce();
				announ.setNum(rs.getInt("num"));
				announ.setUsr_id(rs.getInt("usr_id"));
				announ.setAnnounce_time(rs.getTimestamp("announce_time"));
				announ.setMessage(rs.getString("message"));
				announ.setNote(rs.getString("note"));
				list.add(announ);
			}
		} catch (SQLException e) {
			e.printStackTrace();
		} 
		return list;
	}

	
	//发布公告
	public boolean add(Object obj) {
		Announce announ=(Announce) obj;
		String sql="insert into web_site.tb_announce(usr_id,announce_time,message,note) values(?,?,?,?) ";
		Boolean bl=DAOHelper.executeUpdate(DBUtil.getConn(), sql, new Object[]{announ.getUsr_id()
			,announ.getAnnounce_time(),announ.getMessage(),announ.getNote()});
		return bl;
	}
    //更新修改公告
	public boolean update(Object obj) {
		Announce announ=(Announce) obj;
		String sql="update web_site.tb_announce set usr_id=?,announce_time=?,message=?,note=? where num=? ";
		Boolean bl=DAOHelper.executeUpdate(DBUtil.getConn(), sql, new Object[]{announ.getUsr_id()
			,announ.getAnnounce_time(),announ.getMessage(),announ.getNote(),announ.getNum()});
		return bl;
	}
    //删除公告
	public boolean del(Object obj) {
		Announce announ=(Announce) obj;
		String sql="delete from web_site.tb_announce where num=?";
		Boolean bl=DAOHelper.executeUpdate(DBUtil.getConn(), sql, new Object[]{announ.getNum()});
		return bl;
	}

    //0.6公告信息显示(未分页)
	public List searchAll() {
		String sql="select num,usr_id,announce_time,message,note from web_site.tb_announce order by announce_time desc";
		List list=DAOHelper.executeQuery(sql, DBUtil.getConn(), null, new AnnounceImpl());
		return list;
	}
   
	 //根据条件查询公告信息
	public List serchByCondition(Object obj) {
		Announce announ=(Announce) obj;
		//System.out.println(announ);
		String numberSql="SELECT FOUND_ROWS() number";//存放总数
		Connection conn=DBUtil.getConn();//sql和numberSql共用一个connection
		String sql="";
		String baseSql="select SQL_CALC_FOUND_ROWS num,usr_id,announce_time,message,note " +
				"FROM web_site.tb_announce where announce_time>=? and announce_time<=? "+
				" and message like ?  ";
		//发布人选择
		String usrSqlT=" and usr_id!=? ";//全部为0
		String usrSqlF=" and usr_id=? ";//
		if(announ.getUsr_id()==0){
			baseSql+=usrSqlT;
		}else{
			baseSql+=usrSqlF;
		}
		String endSql=" order by announce_time desc  limit ?,?";
		sql=baseSql+endSql;
		//System.out.println(sql);
		List<Announce> list=DAOHelper.executeQueryLimit(sql, conn, new Object[]{announ.getAnnounce_time(),announ.getAnnounce_time1(),
			"%"+announ.getMessage()+"%",announ.getUsr_id(),(announ.getPage().getPageCurr() - 1)* announ.getPage().getPageSize(),
			announ.getPage().getPageSize()}, new CallBack() {
			
			public List getResults(ResultSet rs) {
				List list=new ArrayList(); 
				try {
					while(rs.next()){
						Announce announ=new Announce();
						announ.setNum(rs.getInt("num"));
						announ.setUsr_id(rs.getInt("usr_id"));
						announ.setAnnounce_time(rs.getTimestamp("announce_time"));
						announ.setMessage(rs.getString("message"));
						announ.setNote(rs.getString("note"));
						Page page=new Page();
						announ.setPage(page);
						list.add(announ);
					}
				} catch (SQLException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				return list;
			}
		});
		//去掉limit条件后的总数
		int number=LimitNumberFactory.GetLimtitNumber(conn, numberSql);
		//System.out.println("number: "+number);
		if(list!=null&&list.size()>0){
			list.get(list.size()-1).getPage().setPageAll(number);
		}
		return list;
	}


	 //0.6公告信息显示(分页)
	public List serchByInfo(Object obj) {
		Page page=(Page) obj;
		String numberSql="SELECT FOUND_ROWS() number";//存放总数
		Connection conn=DBUtil.getConn();//sql和numberSql共用一个connection
		String sql="select SQL_CALC_FOUND_ROWS num,usr_id,announce_time,message,note from web_site.tb_announce  order by announce_time desc limit ?,?";
		List<Announce> list=DAOHelper.executeQueryLimit(sql, conn, new Object[]{(page.getPageCurr() - 1)* page.getPageSize(),
			page.getPageSize()}, new AnnounceImpl());
		//去掉limit条件后的总数
		int number=LimitNumberFactory.GetLimtitNumber(conn, numberSql);
		//System.out.println("number: "+number);
		if(list!=null&&list.size()>0){
			list.get(list.size()-1).getPage().setPageAll(number);
		}
		return list;
	}

}