package kinosearch.webapp.servlets;

import kinosearch.core.Kino;
import kinosearch.core.Tools;
import kinosearch.webapp.WebApp;
import kinosearch.webapp.template.TemplateProcessor;
import kinosearch.core.warez.KinoWarez;
import kinosearch.core.warez.Onlinelife;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;

public class IndexServlet extends HttpServlet {
    private static final long serialVersionUID = 3242992839104315456L;
    private TemplateProcessor template;

    @Override
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        template = WebApp.getTemplateProcessor();
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        Map<String, Object> model = new HashMap<>();
        model.put(".templatedir", getServletContext().getRealPath("WEB-INF"));
        model.put("basedir", getServletContext().getContextPath());
        model.put("version", Tools.VERSION);
        model.put("rutext", "Поиск кино по пиратским кинотеатрам");

        if (request.getParameter("search") != null && !request.getParameter("search").trim().isEmpty()) {
            boolean strong = false;
            if (request.getParameter("strong") != null && request.getParameter("strong").equals("1")) {
                strong = true;
            }
            search(request.getParameter("search"), model, strong);
        }

        response.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        try {
            template.process("index.html", model, response.getWriter());
        } catch (IOException e) {
            log("Error process template", e);
            response.sendError(500);
        }
    }

    private void search(String search, Map<String, Object> model, boolean strong) {
        List<Kino> list = Collections.synchronizedList(new LinkedList<>());
        Set<KinoWarez> kinoWarezSet = Tools.getKinoWarezSet();

        ThreadGroup threadGroup = new ThreadGroup("");
        for (KinoWarez kinoWarez : kinoWarezSet) { //TODO на будущее надо ограничить количество одновременных потоков
            new Thread(threadGroup, () -> {
                kinoWarez.search(search, list, strong);
            }).start();
        }

        // ждем максимум 15 секунд
        //FIXME надо бы убивать потоки, которые не успели найти контент
        for (int i = 0; i < 15 && threadGroup.activeCount() > 0; i++) {
            Tools.SafeSleep(1000);
        }

        model.put("searchtext", search);
        model.put("resultsearch", list);
        model.put("strong", strong);
    }

    @Override
    public void log(String message, Throwable t) {
        super.log(message, t);
    }
}