package com.ownxile.util.web.vote;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;

/**
 * @author Robbie
 *
 */
public class VoteCache {

    private final static int HOUR_IN_MILLIS = 3600000;
    private final static int HOURS_PER_CLAIM = 12;

    private static ArrayList<CachedVoteClaim> cachedVotes = new ArrayList<CachedVoteClaim>();

    @SuppressWarnings("unused")
    private static final File VOTE_FILE = new File(
            "./etc/data/vote/vote_cache.dat");

    public static void addClaimToCache(String playerName) {
        cachedVotes.add(new CachedVoteClaim(playerName));
    }

    public static boolean canVote(String userName) {
        for (CachedVoteClaim cached : cachedVotes) {
            if (cached.getUserName() == userName
                    && System.currentTimeMillis() - cached.getVoteTimeMillis() < HOUR_IN_MILLIS
                            * HOURS_PER_CLAIM) {
                return false;
            }
        }
        return true;
    }

    public static void purgeCache() {
        int i = 0;
        for (CachedVoteClaim cached : cachedVotes) {
            if (System.currentTimeMillis() - cached.getVoteTimeMillis() < HOUR_IN_MILLIS
                    * HOURS_PER_CLAIM) {
                cachedVotes.remove(cached);
                i++;
            }
        }
        if (i > 0)
            System.out.println("Cleared " + i + " cached votes.");
    }

    @SuppressWarnings("unchecked")
    public static void loadCache(File file) {
        try {
            FileInputStream fileIn = new FileInputStream(file);
            ObjectInputStream in = new ObjectInputStream(fileIn);
            try {
                cachedVotes = (ArrayList<CachedVoteClaim>) in.readObject();
            } catch (ClassNotFoundException e) {
                e.printStackTrace();
            }
            in.close();
            fileIn.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void saveCache(ArrayList<CachedVoteClaim> voteCache, File file) {
        try {
            FileOutputStream fileOut = new FileOutputStream(file);
            ObjectOutputStream out = new ObjectOutputStream(fileOut);
            out.writeObject(voteCache);
            out.close();
            fileOut.close();
        } catch (IOException i) {
            i.printStackTrace();
        }
    }

}