package com.lovo.servlet;

import java.io.IOException;
import java.sql.SQLException;

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

import com.lovo.factory.BOFactory;
import com.lovo.po.ConfigPO;

public class ModifyConfigDO extends HttpServlet {
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doPost(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		response.setCharacterEncoding("utf-8");
		
		HttpSession session = request.getSession(true);
		String valueStr = request.getParameter("value");
		String configIdStr = request.getParameter("configId");
		
		int value = 0;
		if(valueStr.matches("\\d+")) {
			value = Integer.parseInt(valueStr);
		} else {
			response.sendRedirect("../web/error.jsp");
			session.setAttribute("errorInfo", "value值只能是數字");
			return;
		}
		
		int configId = 0;
		if(configIdStr.matches("\\d+")) {
			configId = Integer.parseInt(configIdStr);
		} else {
			response.sendRedirect("../web/error.jsp");
			session.setAttribute("errorInfo", "傳輸數據出錯");
			return;
		}
		
		
		try {
			ConfigPO config = BOFactory.getConfigBOInstance().queryById(configId);
			config.setValue(value);
			BOFactory.getConfigBOInstance().update(config);
		} catch (SQLException e) {
			e.printStackTrace();
			response.sendRedirect("../web/error.jsp");
			session.setAttribute("errorInfo", "沒有查詢到原數據或者修改數據時出錯");
			return;
		}
		
		response.sendRedirect("QueryConfigDO");
		
		
	}
}