package org.springside.bookstore.store.web;

import org.springframework.web.servlet.ModelAndView;
import org.springside.bookstore.admin.manager.BookManager;
import org.springside.core.commons.BaseController;
import org.springside.core.commons.support.page.Page;

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

/**
 * 书店前台负责展示的Controller
 *
 * @author cac
 * @author calvin
 * @see BaseController
 */
public class BookstoreController extends BaseController {
    private BookManager bookManager;

    public void setBookManager(BookManager bookManager) {
        this.bookManager = bookManager;
    }

    private static final String INDEX_VIEW = "/store/index.jsp";
    private static final String NEWBOOKS_VIEW = "/store/blocks/newBooks.jsp";
    private static final String TOPSELL_VIEW = "/store/blocks/topSellers.jsp";
    private static final String CATEGORY_VIEW = "/store/blocks/categorys.jsp";
    private static final String LINKS_VIEW = "/store/blocks/friendlyLinks.jsp";
    private static final String BOOK_VIEW = "/store/bookDetail.jsp";

    /**
     * 书店首页
     */
    public ModelAndView index(HttpServletRequest request, HttpServletResponse response) throws Exception {
        return new ModelAndView(INDEX_VIEW);
    }

    /**
     * 显示最新图书
     */
    public ModelAndView newBooks(HttpServletRequest request, HttpServletResponse response) {
        ModelAndView mav = new ModelAndView(NEWBOOKS_VIEW);
        Page page = bookManager.getNewBooks(request.getParameter("pageNo"));
        mav.addObject("books", page.getResult());
        mav.addObject(page);
        return mav;
    }

    /**
     * 查询时自动填充功能
     */
    public void autoComplete(HttpServletRequest request, HttpServletResponse response) throws Exception {
        String queryValue = request.getParameter("query");
        rendText(response, bookManager.findAutocompleteValues(queryValue));
    }

    /**
     * 显示畅销图书
     */
    public ModelAndView topSellers(HttpServletRequest request, HttpServletResponse response) {
        return new ModelAndView(TOPSELL_VIEW);
    }

    /**
     * 显示目录列表
     */
    public ModelAndView categorys(HttpServletRequest request, HttpServletResponse response) {
        return new ModelAndView(CATEGORY_VIEW).addObject("categorys", bookManager.getAllCategorys());
    }

    /**
     * 显示友情链接
     */
    public ModelAndView links(HttpServletRequest request, HttpServletResponse response) {
        return new ModelAndView(LINKS_VIEW);
    }

    /**
     * 显示图书详情
     */
    public ModelAndView bookDetail(HttpServletRequest request, HttpServletResponse response) {
        Integer id = new Integer(request.getParameter("id"));
        return new ModelAndView(BOOK_VIEW).addObject("book", bookManager.get(id));
    }
}