package com.pure.web.spring.manager.member;

import java.util.HashMap;
import java.util.Map;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.validation.BindException;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;

import com.pure.domain.Member;
import com.pure.domain.logic.MemberFacade;
import com.pure.util.PureUtil;
import com.pure.web.spring.MemberSession;

/**
 * 會(huì)員登陸控制器
 * 
 * @author pure
 * 
 */
public class LoginController extends SimpleFormController {
	protected final Log logger = LogFactory.getLog(getClass());

	private MemberFacade memberFacade;

	public MemberFacade getMemberFacade() {
		return memberFacade;
	}

	public void setMemberFacade(MemberFacade memberFacade) {
		this.memberFacade = memberFacade;
	}

	/**
	 * 初始化表單數(shù)據(jù)
	 */
	protected Object formBackingObject(HttpServletRequest request)
			throws Exception {
		Member member = new Member();
		return member;
	}

	/**
	 * 處理表單提交事件
	 */
	protected ModelAndView onSubmit(HttpServletRequest request,
			HttpServletResponse response, Object command, BindException errors)
			throws Exception {
		HttpSession session = request.getSession();
		Member member = (Member) command;

		/**
		 * 此參數(shù)從login.jsp頁(yè)面表單hidden對(duì)象傳入，保存為用戶登陸前所請(qǐng)求的地址。
		 */
		String forwardAction = request.getParameter("forwardAction");

		/**
		 * 登陸必填項(xiàng)未填寫或失敗時(shí)仍需將請(qǐng)求地址保存，以便登陸成功后跳轉(zhuǎn)。
		 * </P>
		 * 由于在表單hidden中使用了<code><c:url value="${signonForwardAction}"/></code>，所以下面需要處理去掉上下文環(huán)境。
		 */
		Map model = new HashMap();
		if (null != forwardAction)
			model.put("signonForwardAction", forwardAction.replace(request.getContextPath(), ""));

		if ("".equals(member.getUsername())) {
			errors.rejectValue("username", "LOGIN FAIL", MemberValidator.adornMsg("對(duì)不起！會(huì)員名是必須的! "));
			return showForm(request, response, errors, model);
		}

		if ("".equals(member.getPassword())) {
			errors.rejectValue("password", "LOGIN FAIL", MemberValidator.adornMsg("對(duì)不起！登錄密碼是必須的! "));
			return showForm(request, response, errors, model);
		}

		Member loginMember = getMemberFacade().login(member);
		if (null != loginMember) {
			session.setAttribute("memberSession",
					new MemberSession(loginMember));
			loginMember.setLoginip(request.getRemoteHost());
			loginMember.setLogintime(PureUtil
					.getDateFormatStr("yyyy-MM-dd HH:mm:ss"));
			Integer count = loginMember.getLogincount();
			// TODO Integer相加？
			if (count == null) {
				loginMember.setLogincount(new Integer(1));
			} else {
				loginMember.setLogincount(new Integer(Integer.parseInt(String.valueOf(count)) + 1));
			}
			getMemberFacade().updateMember(loginMember);
		} else {
			errors.reject("LOGIN FAIL", MemberValidator.adornMsg("對(duì)不起！登陸失敗!請(qǐng)檢查你的會(huì)員名及密碼! "));
			return showForm(request, response, errors, model);
		}

		if (forwardAction != null) {
			response.sendRedirect(forwardAction);
			return null;
		} else {
			return new ModelAndView("index");
		}
	}

}