package hall;
/**
 * Project:    NWPU online shop
 * JDK version used: jdk1.5.0
 * Version: 	1.01
 * class opOrder 用來處理有關于訂單的各種操作
 */

import java.sql.*;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.Date;

public class opOrder {

	private Vector orderItemList;//訂單項的向量數組

	private Vector orderList;//訂單的向量數組

	private Vector products;//貨物的向量數組

	private int page = 1; // 顯示的頁碼

	private int pageSize = 15; // 每頁顯示的訂單數

	private int pageCount = 0; // 頁面總數

	private long recordCount = 0; // 查詢的記錄總數

	private double account = 0.0;//查詢的貨物總額

	private DBWrapper myConnection = null;

	private String sqlStr = "";

	public opOrder() throws Exception {

		myConnection = DBWrapper.Instance();

	}
	/**
	 * double getAccount()
     * Description :得到所要查詢的訂單的總額
     * @return double
     */
	public double getAccount() {
		return account;
	}

	/**
	 * Vector getOrderList()
     * Description :得到訂單的向量數組
     * @return Vector
     */
	public Vector getOrderList() {
		return orderList;
	}

	/**
	 * Vector getProducts()
     * Description :得到貨物的向量數組
     * @return Vector
     */
	public Vector getProducts() {
		return products;
	}

	/**
	 * Vector getProducts()
     * Description :得到訂單項目的向量數組
     * @return Vector
     */
	public Vector getOrderItemList() {
		return orderItemList;
	}
	/**
	 * int getPage()
     * Description :得到要顯示的頁數
     * @return int
     */
	public int getPage() { 
		return page;
	}

	/**
	 * void setPage(int newpage)
     * Description :修改要顯示的頁數
     * @param int
     */
	public void setPage(int newpage) {
		page = newpage;
	}

	/**
	 * int getPageSize()
     * Description :得到每頁要顯示的訂單數
     * @return int
     */
	public int getPageSize() { 
		return pageSize;
	}

	/**
	 * void setPageSize(int newpsize)
     * Description :修改每頁要顯示的訂單數
     * @param int
     */
	public void setPageSize(int newpsize) {
		pageSize = newpsize;
	}

	/**
	 * int getPageCount()
     * Description :得到頁面總數
     * @return int
     */
	public int getPageCount() {
		return pageCount;
	}

	/**
	 * void setPageCount(int newpcount)
     * Description :修改頁面總數
     * @param int
     */
	public void setPageCount(int newpcount) {
		pageCount = newpcount;
	}

	/**
	 * int getRecordCount()
     * Description :得到記錄總數
     * @return long
     */
	public long getRecordCount() {
		return recordCount;
	}

	/**
	 * void setRecordCount(long newrcount)
     * Description :修改記錄總數
     * @param long
     */
	public void setRecordCount(long newrcount) {
		recordCount = newrcount;
	}

	// 管理員確認發貨
	public boolean modifedOrder(long inItem, String inOrderWay, String inSender) {
		boolean flag = false;
		try {
			sqlStr = "update orders set ";
			sqlStr += "orderWay = '" + inOrderWay + "',";
			sqlStr += "sender = '" + inSender + "',";
			sqlStr += "state = " + 2 + " ";
			sqlStr += "where orders = " + inItem;

			System.out.println(sqlStr);
			myConnection.runUpdate(sqlStr);
			flag = true;
		} catch (Exception e) {
			flag = false;
			System.out.println(e);
		}
		return flag;
	}

	// 管理員確定已發貨
	public boolean check(long inItem) throws Exception {
		Date tempDate = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd hh:mm:ss");
		String sdate = sdf.format(tempDate);
		try {
			sqlStr = "update orders set ";
			sqlStr += "receiveTime = '" + sdate + "',";
			sqlStr += "state = " + 3 + " ";
			sqlStr += "where OrderID = '" + inItem + "'";

			System.out.println(sqlStr);
			myConnection.runUpdate(sqlStr);
			return true;
		} catch (Exception e) {
			System.out.println(sqlStr);
			return false;
		}
	}

	/**
	 * boolean query(int inYear, int inMonth, int inDay, String inArea)
	 * Description :根據時間或地區或結合查詢營業額，結果放入account中
	 * @param int 所要查詢的年份
	 * @param int 所要查詢的月份
	 * @param int 所要查詢的天
	 * @param String 所要查詢的地區
	 * @return boolean 返回操作是否成功信息
	 */
	public boolean query(int inYear, int inMonth, int inDay, String inArea) {
		boolean flag = true;

		if (inArea == null)
			inArea = "";

		int year = inYear;
		int month = inMonth;
		int day = inDay;
		String date;
		/* 
		 * 若天不填，則認為查詢一個月份的
		 * 若月份不填，則認為查詢一年的
		 * 若年份不填，則認為查詢全部的
		 */
		if (year == 0) {
			date = "";
		} else {
			if (month == 0) {
				date = year + "";
			} else {
				if (day == 0)
					date = year + "/" + month;
				else
					date = year + "/" + month + "/" + day;
			}
		}
		sqlStr = "select sum(amount) from orders where orderTime like '%"
				+ date + "%'" + " and address like '%" + inArea + "%'";
		try {
			System.out.println(sqlStr);
			ResultSet rs1 = myConnection.runQuery(sqlStr);
			rs1.next();
			account = rs1.getInt(1);
			flag = true;
		} catch (Exception e) {
			flag = false;
			System.out.println(e);
		}
		return flag;
	}

	/**
	 * boolean getOrder(String userName, int state)
	 * Description :用戶根據不同訂單狀態查詢訂單
	 * @param String 用戶名
	 * @param int 訂單狀態，1代表尚未被處理的訂單
	 * 2代表已經發送的訂單，3代表已經收到貨的訂單
	 * 0代表所有訂單
	 * @return boolean 返回操作是否成功信息
	 */
	public boolean getOrder(String userName, int state) throws Exception {
		String sqlStr1 = "";
		if (state == 0) {
			sqlStr1 = "select count(*) from orders where customerName = '"
					+ userName + "'";
		} else if (state == 1 || state == 2 || state == 3) {
			sqlStr1 = "select count(*) from orders where state = " + state
					+ "and customerName = '" + userName + "'";
			;
		} else
			return false;
		try {
			ResultSet rs1 = myConnection.runQuery(sqlStr1);
			if (rs1.next())
				recordCount = rs1.getInt(1);
			rs1.close();

		} catch (SQLException e) {
			System.out.println(e.getMessage());
			return false;
		}

		sqlStr = "select * from orders where customerName = '" + userName
				+ "' order by orderTime desc";
		try {

			ResultSet rs = myConnection.runQuery(sqlStr);
			orderList = new Vector();
			while (rs.next()) {
				order tempOrder = new order();
				tempOrder.setOrderItem(Long.parseLong(rs.getString("orderID")));
				tempOrder.setCustomerName(rs.getString("customerName"));
				tempOrder.setOrderTime(rs.getString("orderTime"));
				tempOrder.setAddress(rs.getString("address"));
				tempOrder.setCode(rs.getString("code"));
				tempOrder.setOrderWay(rs.getString("orderWay"));
				tempOrder.setReceiveTime(rs.getString("receiveTime"));
				tempOrder.setSender(rs.getString("sender"));
				tempOrder.setAccount(rs.getDouble("amount"));
				System.out.println("123");
				orderList.addElement(tempOrder);
			}
			rs.close();
			return true;
		} catch (SQLException e) {
			System.out.println(e);
			return false;
		}
	}
	/**
	 * boolean showItemDetail(long inOrderID)
	 * Description :根據訂單號得到訂單的詳細信息，并將訂單中的貨物信息存入向量數組中
	 * @param long 訂單號
	 * @return boolean 返回操作是否成功信息
	 */
	public boolean showItemDetail(long inOrderID) throws Exception {
		sqlStr = "select * from orderItem where orderID = '" + inOrderID + "'";
		try {
			ResultSet rs = myConnection.runQuery(sqlStr);
			orderItemList = new Vector();
			products = new Vector();
			while (rs.next()) {
				orderItem tempOrderItem = new orderItem();
				tempOrderItem.setOrderID(Long
						.parseLong(rs.getString("orderID")));
				tempOrderItem.setProducItem(rs.getInt("producItem"));
				tempOrderItem.setQuantity(rs.getInt("quantity"));
				orderItemList.addElement(tempOrderItem);

				sqlStr = "select * from products where producItem = "
						+ tempOrderItem.getProItem();
				ResultSet rs1 = myConnection.runQuery(sqlStr);
				rs1.next();
				products tempPro = new products();
				tempPro.setProductorItem(tempOrderItem.getProItem());
				tempPro.setProductorName(rs1.getString("producName"));
				tempPro.setType(rs1.getString("type"));
				tempPro.setQuantity(rs1.getInt("quantity"));

				products.addElement(tempPro);
				rs1.close();
			}
			rs.close();
			return true;
		} catch (Exception e) {
			System.out.println(e);
			return false;
		}
	}

	/**
	 * boolean getAllorder(int inState)
	 * Description :管理員根據不同訂單狀態查看所有訂單
	 * 
	 * @param int 訂單狀態，1代表尚未被處理的訂單
	 * 2代表已經發送的訂單，3代表已經收到貨的訂單
	 * 0代表所有訂單
	 * @return boolean 返回操作是否成功信息
	 */
	public boolean getAllorder(int inState) throws Exception {

		String sqlStr1 = "", sqlStr2 = "";
		if (inState == 0) {
			sqlStr1 = "select count(*) from orders";
			sqlStr2 = "select * from orders";
		} else if (inState == 1 || inState == 2 || inState == 3) {
			sqlStr1 = "select count(*) from orders where state = " + inState;
			sqlStr2 = "select * from orders where state = " + inState;
		} else
			return false;

		try {
			ResultSet rs1 = myConnection.runQuery(sqlStr1);
			if (rs1.next())
				recordCount = rs1.getInt(1);
			rs1.close();

		} catch (SQLException e) {
			System.out.println(e.getMessage());
			return false;
		}

		if (recordCount < 1)
			pageCount = 0;
		else
			pageCount = (int) (recordCount - 1) / pageSize + 1;
		if (page < 1)
			page = 1;
		else if (page > pageCount)
			page = pageCount;
		try {
			ResultSet rs2 = myConnection.runQuery(sqlStr2);
			if (page == 1) {

			} else {
				for (int i = 0; i < pageSize * (page - 1); i++) {
					rs2.next();
				}
			}
			orderList = new Vector();
			while (rs2.next()) {
				order tempOrder = new order();
				tempOrder.setOrderItem(Long.parseLong(rs2
						.getString("orderID")));
				tempOrder.setCustomerName(rs2.getString("customerName"));
				tempOrder.setOrderTime(rs2.getString("orderTime"));
				tempOrder.setAddress(rs2.getString("address"));
				tempOrder.setCode(rs2.getString("code"));
				tempOrder.setOrderWay(rs2.getString("orderWay"));
				tempOrder.setReceiveTime(rs2.getString("receiveTime"));
				tempOrder.setSender(rs2.getString("sender"));
				tempOrder.setAccount(rs2.getDouble("amount"));

				orderList.addElement(tempOrder);
			}
			rs2.close();
			return true;
		} catch (SQLException e) {
			System.out.println(e);
			return false;
		}
	}

}