/*
 * 版權所有: 摩網信息科技有限公司 2005
 * 項目：DLOG4J_V3
 * 所在包：com.liusoft.dlog4j.action
 * 文件名：MusicAction.java
 * 創建時間：2005-12-8
 * 創建者：Winter Lau
 */
package com.liusoft.dlog4j.action;

import java.util.Date;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.liusoft.dlog4j.SessionUserObject;
import com.liusoft.dlog4j.beans.MusicBean;
import com.liusoft.dlog4j.beans.MusicBoxBean;
import com.liusoft.dlog4j.beans.SiteBean;
import com.liusoft.dlog4j.beans.UserBean;
import com.liusoft.dlog4j.dao.MusicDAO;
import com.liusoft.dlog4j.formbean.MusicBoxForm;
import com.liusoft.dlog4j.formbean.MusicForm;
import com.liusoft.dlog4j.search.SearchProxy;
import com.liusoft.dlog4j.util.StringUtils;

/**
 * 音樂頻道的Action類
 * 
 * @author Winter Lau
 */
public class MusicAction extends ActionBase {

	/**
	 * 用于在其他網站瀏覽音樂時候可以將自己喜歡的音樂加到自己的音樂盒中
	 * http://localhost/html/music.do?sid=12&eventSubmit_doCollect=232&fromPage=xxxx
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 * @ajax_enabled
	 */
	protected ActionForward doCollect(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response, String s_music_id)
			throws Exception {
		MusicForm mform = (MusicForm) form;
		int mid = Integer.parseInt(s_music_id);
		String msg = null;
		do{
			//判斷用戶是否登錄，是否有自己的網站
			SessionUserObject loginUser = super.getLoginUser(request, response);
			if(loginUser==null){
				msg = getMessage(request, null, "error.user_not_login");
				break;
			}
			if(loginUser.getStatus()!=UserBean.STATUS_NORMAL){
				msg = getMessage(request, null, "error.user_disabled");
				break;
			}
			if(loginUser.getOwnSiteId()<=0){
				msg = getMessage(request, null, "error.user_not_have_a_site");
				break;
			}
			//判斷用戶的個人網記是否有效
			SiteBean toSite = super.getSiteByID(loginUser.getOwnSiteId());
			if(toSite==null){
				msg = super.getMessage(request, null, "error.site_not_available");
				break;
			}
			MusicBean mbean = MusicDAO.getMusicByID(mid);
			if(mbean!=null && mbean.getSite().getId()==mform.getSid())
			{
				MusicBean music = new MusicBean();
				music.setCreateTime(new Date());
				music.setMusicBox(null);
				music.setAlbum(mbean.getAlbum());
				music.setSinger(mbean.getSinger());
				music.setSite(new SiteBean(loginUser.getOwnSiteId()));
				music.setTitle(mbean.getTitle());
				music.setUrl(mbean.getUrl());
				music.setWord(mbean.getWord());
				MusicDAO.addMusic(music);
				msg = getMessage(request, null, "music.collected", music.getTitle());
			}
			break;
		}while(true);
		return msgbox(mapping, form, request, response, msg, mform.getFromPage());
	}
	
	/**
	 * 創建音樂盒
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	protected ActionForward doCreate(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		MusicBoxForm mbox = (MusicBoxForm) form;
		super.validateClientId(request, mbox);
		ActionMessages msgs = validateSiteOwner(request, response, mbox);
		int mboxid = -1;
		if (msgs.isEmpty() && StringUtils.isEmpty(mbox.getName()))
			msgs.add("name", new ActionMessage("error.mbox.name_empty"));
		else if (msgs.isEmpty()) {
			SiteBean site = super.getSiteBean(request);
			MusicBoxBean mbean = new MusicBoxBean();
			mbean.setName(super.autoFiltrate(site, mbox.getName()));
			if (StringUtils.isNotEmpty(mbox.getDesc())){
				String desc = super.autoFiltrate(site, mbox.getDesc());
				mbean.setDesc(super.filterScriptAndStyle(desc));
			}
			mbean.setCreateTime(new Date());
			mbean.setSite(site);
			MusicDAO.createBox(mbean, mbox.getId(), mbox.getDirection() == 1);
			mboxid = mbean.getId();
		}
		if (!msgs.isEmpty()) {
			saveMessages(request, msgs);
			return mapping.findForward("mbox_add");
		}

		return makeForward(mapping.findForward("music"), mbox.getSid(), "box",
				mboxid);
	}

	/**
	 * 推薦歌曲
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	protected ActionForward doRecommend(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		MusicForm mform = (MusicForm) form;
		super.validateClientId(request, mform);
		ActionMessages msgs = new ActionMessages();
		do{
			if (StringUtils.isEmpty(mform.getTitle())) {
				msgs.add("name", new ActionMessage("error.music.title_empty"));
				break;
			}
			if (StringUtils.isEmpty(mform.getUrl())) {
				msgs.add("url", new ActionMessage("error.music.url_empty"));
				break;
			}
			// 驗證是否登錄用戶
			UserBean loginUser = super.getLoginUser(request, response);
			if (loginUser == null) {
				msgs.add("url", new ActionMessage("error.user_not_login"));
				break;
			}
			if (loginUser.getStatus() != UserBean.STATUS_NORMAL) {
				msgs.add("url", new ActionMessage("error.user_not_available"));
				break;
			}
			// 驗證音樂盒的有效性
			MusicBoxBean mbox = MusicDAO.getMusicBoxByID(mform.getBox());
			if (mbox == null || mbox.getSite().getId() != mform.getSid()) {
				msgs.add("name", new ActionMessage("error.mbox_not_available",
						new Integer(mform.getBox())));
				break;
			}
			SiteBean site = super.getSiteByID(mform.getSid());
			if(site==null){
				msgs.add("site", new ActionMessage("error.site_not_available"));
				break;
			}
			//檢查黑名單
			if(isUserInBlackList(site, loginUser)){
				msgs.add("music", new ActionMessage("error.user_in_blacklist"));
				break;
			} 
			MusicBean mbean = new MusicBean();
			mbean.setSite(site);
			mbean.setIntroducer(loginUser);
			mbean.setMusicBox(mbox);
			mbean.setTitle(super.autoFiltrate(site, mform.getTitle()));
			if (StringUtils.isNotEmpty(mform.getAlbum()))
				mbean.setAlbum(mform.getAlbum());
			if (StringUtils.isNotEmpty(mform.getSinger()))
				mbean.setSinger(mform.getSinger());
			if (StringUtils.isNotEmpty(mform.getUrl()))
				mbean.setUrl(mform.getUrl());
			if (StringUtils.isNotEmpty(mform.getWord())){
				String word = super.autoFiltrate(site, mform.getWord());
				mbean.setWord(super.filterScriptAndStyle(word));
			}
			else
				mbean.setWord("&nbsp;");
			mbean.setCreateTime(new Date());
			mbean.setStatus(MusicBean.STATUS_RECOMMEND);
			MusicDAO.addMusic(mbean);
			break;
		}while(true);

		if (!msgs.isEmpty()) {
			saveMessages(request, msgs);
			return mapping.findForward("music_intro");
		}
		String msg = getMessage(request, null, "music.recommend.submitted");
		return msgbox(mapping, form, request, response, msg, mform
				.getFromPage());
	}

	/**
	 * 添加歌曲
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	protected ActionForward doAdd(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		MusicForm mform = (MusicForm) form;
		super.validateClientId(request, mform);
		ActionMessages msgs = validateSiteOwner(request, response, mform);
		while (msgs.isEmpty()) {
			if (StringUtils.isEmpty(mform.getTitle())) {
				msgs.add("name", new ActionMessage("error.music.title_empty"));
				break;