/*
 * Juick
 * Copyright (C) 2008-2011, Ugnich Anton
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.juick.http.www;

import com.juick.server.AdsQueries;
import com.juick.server.MessagesQueries;
import org.rythmengine.Rythm;
import org.springframework.jdbc.core.JdbcTemplate;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.sql.Connection;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Ugnich Anton
 */
public class Home {

    protected void doGet(JdbcTemplate sql, JdbcTemplate sqlSearch, HttpServletRequest request,
                         HttpServletResponse response, com.juick.User visitor) throws ServletException, IOException {
        int paramBefore = 0;
        String paramBeforeStr = request.getParameter("before");
        if (paramBeforeStr != null) {
            try {
                paramBefore = Integer.parseInt(paramBeforeStr);
            } catch (NumberFormatException e) {
            }
        }

        String paramSearch = request.getParameter("search");
        if (paramSearch != null && paramSearch.length() > 64) {
            paramSearch = null;
        }

        String title;
        List<Integer> mids;

        String paramShow = request.getParameter("show");
        if (paramSearch != null) {
            title = "Поиск: " + Utils.encodeHTML(paramSearch);
            mids = MessagesQueries.getSearch(sql, sqlSearch, Utils.encodeSphinx(paramSearch), paramBefore);
        } else if (paramShow == null) {
            if (visitor != null) {
                title = "Популярные";
            } else {
                title = "Микроблоги Juick: популярные записи";
            }
            mids = MessagesQueries.getPopular(sql, paramBefore);
        } else if (paramShow.equals("top")) {
            Utils.sendPermanentRedirect(response, "/");
            return;
        } else if (paramShow.equals("my") && visitor != null) {
            title = "Моя лента";
            mids = MessagesQueries.getMyFeed(sql, visitor.getUID(), paramBefore);
        } else if (paramShow.equals("private") && visitor != null) {
            title = "Приватные";
            mids = MessagesQueries.getPrivate(sql, visitor.getUID(), paramBefore);
        } else if (paramShow.equals("discuss") && visitor != null) {
            title = "Обсуждения";
            mids = MessagesQueries.getDiscussions(sql, visitor.getUID(), paramBefore);
        } else if (paramShow.equals("recommended") && visitor != null) {
            title = "Рекомендации";
            mids = MessagesQueries.getRecommended(sql, visitor.getUID(), paramBefore);
        } else if (paramShow.equals("photos")) {
            title = "Фотографии";
            if (visitor != null) {
                mids = MessagesQueries.getPhotos(sql, visitor.getUID(), paramBefore);
            } else {
                mids = MessagesQueries.getPhotos(sql, 0, paramBefore);
            }
        } else if (paramShow.equals("all")) {
            title = "Все сообщения";
            if (visitor != null) {
                mids = MessagesQueries.getAll(sql, visitor.getUID(), paramBefore);
            } else {
                mids = MessagesQueries.getAll(sql, 0, paramBefore);
            }
        } else {
            Errors.doGet404(sql, request, response);
            return;
        }

        response.setContentType("text/html; charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String head = "";
            if (paramBefore > 0 || paramShow != null) {
                head = "<meta name=\"robots\" content=\"noindex\"/>";
            }
            PageTemplates.pageHead(out, title, head);
            PageTemplates.pageNavigation(out, visitor, paramSearch);
            PageTemplates.pageHomeColumn(out, sql, visitor, paramShow == null
                    && paramBefore == 0 && paramSearch == null && visitor == null);

            out.println("<section id=\"content\">");

            if (paramShow == null && paramBefore == 0) {
                out.println("<!--noindex-->");
            }


            if (visitor != null) {
                out.println(Rythm.render("parts/post_form.html"));
            }

            if (mids.size() > 0) {
                int ad_mid = 0;
                if (paramShow == null || paramShow.equals("top") || paramShow.equals("all")) {
                    int vuid = visitor != null ? visitor.getUID() : 0;
                    ad_mid = AdsQueries.getAdMID(sql, vuid);
                    if (ad_mid > 0 && mids.indexOf(ad_mid) == -1) {
                        mids.add(0, ad_mid);
                        AdsQueries.logAdMID(sql, vuid, ad_mid);
                    } else {
                        ad_mid = 0;
                    }
                }

                PageTemplates.printMessages(out, sql, null, mids, visitor, visitor == null ? 2 : 3, ad_mid);
            }

            if (mids.size() >= 20) {
                String nextpage = "?before=" + mids.get(mids.size() - 1);
                if (paramShow != null) {
                    nextpage += "&amp;show=" + paramShow;
                }
                if (paramSearch != null) {
                    nextpage += "&amp;search=" + URLEncoder.encode(paramSearch, "UTF-8");
                }

                out.println("<p class=\"page\"><a href=\"" + nextpage + "\" rel=\"prev\">Читать дальше →</a></p>");
            }

            if (paramShow == null && paramBefore == 0) {
                out.println("<!--/noindex-->");
            }

            out.println("</section>");

            PageTemplates.pageFooter(request, out, visitor, true);
            PageTemplates.pageEnd(out);
        } finally {
            out.close();
        }
    }
}