package com.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import com.actionForm.BookSortForm;
import org.apache.struts.actions.DispatchAction;
import com.dao.BookSortDao;
import com.tool.Chinese;

public class BookSortAction extends DispatchAction {
    private BookSortDao bookSortDao = new BookSortDao();


//以圖書編號為條件，修改一組信息
    public ActionForward updateBookSortAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {
        BookSortForm bookSortForm = (BookSortForm) form;
        if(request.getParameter("placeName")==null){
        bookSortForm.setSortNumber(request.getParameter("sortNumber"));
        request.setAttribute("form",bookSortDao.selectBookSort(bookSortForm));
        return mapping.findForward("updateBookSortAction");
        }
        bookSortForm.setPlaceName(bookSortForm.getPlaceName());
        bookSortForm.setSortName(bookSortForm.getSortName());
        bookSortForm.setSortNumber(bookSortForm.getSortNumber());
        bookSortDao.updateBookSort(bookSortForm);


      String  message="修改圖書類別成功?。?！";

          request.setAttribute("message", message);
        return mapping.findForward("resultBookSort");
    }

    //以圖書名稱為條件，刪除圖書類別
    public ActionForward deleteBookSortAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {
        BookSortForm bookSortForm = (BookSortForm) form;
        bookSortForm.setSortName(Chinese.toChinese(request.getParameter("sortName")));
        boolean opoint = bookSortDao.deleteBookSort(bookSortForm);
        String message = "該類別的圖書仍然存在，刪除失敗?。。?quot;;
        if (opoint) {
            message = "刪除圖書類別成功！！";
        }
        request.setAttribute("message", message);
        return mapping.findForward("resultBookSort");
    }

//添加圖書類別
    public ActionForward insertBookSortAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {
        BookSortForm bookSortForm = (BookSortForm) form;
        String sortNumber = bookSortDao.selectMaxIdSort();
        if (bookSortForm.getSortName() == null ||
            bookSortForm.getSortName().equals("")) {
            request.setAttribute("sortNumber", sortNumber);
            return mapping.findForward("insertBookSortAction");
        }
        bookSortForm.setPlaceName(bookSortForm.getPlaceName());
        bookSortForm.setSortName(bookSortForm.getSortName());
        bookSortForm.setSortNumber(sortNumber);
        bookSortDao.insertBookSort(bookSortForm);

          String    message = "添加圖書類別成功?。?！";

        request.setAttribute("message", message);
        return mapping.findForward("resultBookSort");
    }

    //查詢全部書架信息(分頁查詢)
    public ActionForward selectBookSortAction(ActionMapping mapping,
                                              ActionForm form,
                                              HttpServletRequest request,
                                              HttpServletResponse response) {

        int number = 0;
        if (request.getParameter("number") != null) {
            number = Integer.parseInt(request.getParameter("number"));
        }
        request.setAttribute("number", String.valueOf(number));
        request.setAttribute("maxPage",
                             String.valueOf(bookSortDao.selectBookSort()));
        request.setAttribute("list", bookSortDao.selectBookSort(number));
        return mapping.findForward("selectBookSortAction");
    }

}