/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.dhaval.appstatweb;

import com.dhaval.appstats.model.Stats;
import com.dhaval.appstatweb.marketsearch.AppMarketSearch;
import com.dhaval.appstatweb.marketsearch.AppSearchCallback;
import com.dhaval.appstatweb.marketsearch.MarketApp;
import com.dhaval.appstatweb.store.DataStore;
import com.google.appengine.api.users.UserServiceFactory;
import com.google.gson.Gson;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author dhaval
 */
public class UpdateStats extends HttpServlet {

    private DataStore dataStore;

    private AppMarketSearch marketSearch;

    @Override
    public void init(ServletConfig config) throws ServletException {
        super.init(config);

        dataStore = new DataStore();
        marketSearch = new AppMarketSearch("dhaval.b.nagar@gmail.com", "revolution");
    }


    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            System.out.println(request);
            BufferedReader reader = request.getReader();
            String data = null;
            StringBuffer updateData = new StringBuffer();
            while((data = reader.readLine()) != null){
                updateData.append(data);
            }
            if(updateData.length() <= 0){
                out.println("failure");
                return;
            }

            Gson gson = new Gson();
            final Stats stats = gson.fromJson(updateData.toString(), Stats.class);
            System.out.println("Phone Id: " + stats.getIdentity() );
            System.out.println("Location: " + stats.getLocation());
            System.out.println("Services:");
            for(com.dhaval.appstats.model.Process proc : stats.getProcesses()){
                System.out.println(proc.toString());
            }
            dataStore.save(stats);

           
                    for(final com.dhaval.appstats.model.Process proc : stats.getProcesses()){
                        if(!dataStore.containsAppInfo(proc.getName())){
                            marketSearch.search(proc.getName(), new AppSearchCallback() {

                                public void searchResult(List<MarketApp> apps) {
                                    if(!apps.isEmpty()){
                                        dataStore.saveAppInfo(apps.get(0), false);
                                    }else{
                                        MarketApp app = new MarketApp("", proc.getLabel(), proc.getLabel(), null, 0, null);
                                        dataStore.saveAppInfo(app, true);
                                    }
                                }
                            });
                        }
                    }
           

            out.println("success");
        } catch(Exception e){
            out.println("failure");
        } finally {
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}