package com.demo.struts2.actions;

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

import com.demo.hibernate.beans.Notice;
import com.demo.hibernate.dao.NoticeDAO;
import com.demo.struts2.common.PageAction;
import com.demo.struts2.util.Constants;
import com.demo.struts2.util.Pager;

public class NoticeAction extends PageAction {

	private static final long serialVersionUID = 1L;

	private NoticeDAO noticeDAO;

	protected String id = null;

	protected String sender = null;

	protected String title = null;

	protected String content = null;

	protected String sendtime = null;


	// 新增或修改時執行表單驗證
	public void validate() {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// 取得請求參數
		String queryString = getRequestPath();
		if (queryString.indexOf("noticeadd!insert") != -1
				|| queryString.indexOf("noticeedit!update") != -1) {
			// 檢查表單字段title
			if (title == null || title.equals("")) {
				addFieldError("title",getText("notice.error.title"));
			}

			// 檢查表單字段content
			if (content == null || content.equals("")) {
				addFieldError("content", getText("notice.error.content"));
			}
		}
	}

	// 請求noticeInit.do的處理函數
	public String init() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// 重設分頁參數
		super.pageSize = Constants.pageSize;
		super.pageNo = Constants.pageNo;

		// 取得當前分頁數據
		super.pager = this.getNoticeDAO().findPager(super.pageSize, super.pageNo);

		// 保存分頁數據
		setSession(Constants.PAGER_NOTICE, super.pager);

		return Constants.LIST_KEY;
	}

	// 請求noticeList.do的處理函數
	public String list() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// 取得當前分頁數據
		super.pager = this.getNoticeDAO().findPager(super.pageSize, super.pageNo);

		// 保存分頁數據
		setSession(Constants.PAGER_NOTICE, super.pager);

		return Constants.LIST_KEY;
	}

	// 請求noticeAdd.do的處理函數
	public String add() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// 重設各表單字段
		reset();
		return Constants.ADD_KEY;
	}

	// 重設各表單字段
	private void reset() {
		setId(null);
		setSender(null);
		setTitle(null);
		setContent(null);
		setSendtime(null);
	}

	// 給表單字段賦值
	private void bean2Form(Notice notice) {
		setId(notice.getId().toString());
		setSender(notice.getSender());
		setTitle(notice.getTitle());
		setContent(notice.getContent());
		setSendtime(notice.getSendtime());
	}

	// 請求noticeEdit.do的處理函數
	public String edit() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// id為空時返回錯誤
		if (this.getId() == null) {
			saveActionError("notice.message.edit.notexist");
			return Constants.LIST_KEY;
		} else {
			// 查詢數據表
			Notice notice = this.getNoticeDAO().findById(id);

			// 不存在時返回錯誤
			if (notice == null) {
				saveActionError("notice.message.edit.notexist");
				return Constants.LIST_KEY;
			} else {
				// 給表單字段賦值
				bean2Form(notice);
				return Constants.EDIT_KEY;
			}
		}
	}

	// 請求noticeInsert.do的處理函數
	public String insert() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();
		
		// 插入數據表
		Notice notice = new Notice();
		notice.setSender(super.getLoginUsername());
		notice.setTitle(this.getTitle());
		notice.setContent(this.getContent());
		notice.setSendtime(this.getSendtime());
		this.getNoticeDAO().insert(notice);
		
		// 取得緩存的分頁參數
		Pager pagerSession = (Pager) getSession(Constants.PAGER_NOTICE);
		super.pageSize = pagerSession.getPageSize();
		super.pageNo = pagerSession.getPageNo();

		// 查詢當前頁的數據
		super.pager = this.getNoticeDAO().findPager(super.pageSize, super.pageNo);
		
		// 保存成功信息
		saveActionMessage("notice.message.add.success");
		return Constants.LIST_KEY;
	}

	// 請求noticeUpdate.do的處理函數
	public String update() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// 更新數據表
		Notice notice = new Notice();
		notice.setId(new Integer(id));
		notice.setSender(super.getLoginUsername());
		notice.setTitle(this.getTitle());
		notice.setContent(this.getContent());
		notice.setSendtime(this.getSendtime());
		this.getNoticeDAO().update(notice);

		// 給表單字段賦值
		bean2Form(notice);
		
		// 取得緩存的分頁參數
		Pager pagerSession = (Pager) getSession(Constants.PAGER_NOTICE);
		super.pageSize = pagerSession.getPageSize();
		super.pageNo = pagerSession.getPageNo();

		// 查詢當前頁的數據
		super.pager = this.getNoticeDAO().findPager(super.pageSize, super.pageNo);

		saveActionMessage("notice.message.edit.success");
		return Constants.LIST_KEY;

	}

	// 請求noticeDelete.do的處理函數
	public String delete() throws Exception {
		// 清除錯誤消息
		clearErrorsAndMessages();

		// id為空時返回錯誤
		if (this.getId() == null) {
			saveActionError("notice.message.edit.notexist");
		} else {
			// 刪除數據
			this.getNoticeDAO().delete(id);
			saveActionMessage("notice.message.delete.success");
		}
		// 取得當前頁的數據
		super.pager = this.getNoticeDAO().findPager(super.pageSize, super.pageNo);

		return Constants.LIST_KEY;
	}

	public NoticeDAO getNoticeDAO() {
		return noticeDAO;
	}

	public void setNoticeDAO(NoticeDAO noticeDAO) {
		this.noticeDAO = noticeDAO;
	}

	public String getSendtime() {
		SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");			
		sendtime = f.format(new Date());
		return sendtime;
	}

	public String getContent() {
		return content;
	}

	public void setContent(String content) {
		this.content = content;
	}

	public String getId() {
		return id;
	}

	public void setId(String id) {
		this.id = id;
	}

	public String getSender() {
		return sender;
	}

	public void setSender(String sender) {
		this.sender = sender;
	}

	public void setSendtime(String sendtime) {
		this.sendtime = sendtime;
	}

	public String getTitle() {
		return title;
	}

	public void setTitle(String title) {
		this.title = title;
	}

}