/*
 * Copyright (C) 2015 Shashank
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

package neembuu.uploader.paralytics_tests;

import neembuu.uploader.versioning.FileNameNormalizer;
import neembuu.uploader.versioning.User;
import neembuu.uploader.versioning.UserProvider;

/**
 *
 * @author Shashank
 */
public class DummyUserImpl implements User, FileNameNormalizer {
    
    public volatile String normalization = ".neembuu";
    private static DummyUserImpl I = null;
    private final long uid;
    private volatile boolean canCustomizeNormalizing = true;
    
    public static UserProvider getUserProvider(){
        return new UserProvider() {
            @Override public User getUserInstance() {
                return DummyUserImpl.I();}
            @Override public FileNameNormalizer getFileNameNormalizer() {
                return DummyUserImpl.I();}
        };
    }
    
    @Override public String normalizeFileName(String fn, int fileNameLengthLimit) {
        throw new IllegalArgumentException("Not supported");
    }

    @Override public String normalizeFileName(String fn) {
        String r = fn;
        int dotCnt = countof('.', fn);
        int insertionIndex = 0;
        if (dotCnt == 0) {
            return fn + "_" + normalization.substring(1);
        } else if (dotCnt == 1) {
            r = r.substring(0, r.lastIndexOf('.')) + normalization + r.substring(r.lastIndexOf('.'));
            return r;
        } else {
            String t = fn;
            t = t.substring(0, t.lastIndexOf('.'));
            int idx = t.lastIndexOf('.');
            r = t.substring(0, idx) + normalization + fn.substring(idx);
            return r;
        }
    }
    
    private static int countof(char c, String src){
        int cnt = 0;
        for (int i = 0; i < src.length(); i++) {
            if(src.charAt(i)==c)cnt++;
        }return cnt;
    }
    
    public static void init(long id){
        if(I!=null)throw new IllegalStateException("Already initialized");
        I = new DummyUserImpl(id);
    }

    public static DummyUserImpl I() {
        return I;
    }

    public DummyUserImpl(long uid) {
        this.uid = uid;
    }
    
    @Override public long uid() {
        return uid;
    }
    
    @Override public String uidString() {
        return Long.toString(uid);
    }

    @Override public boolean canCustomizeNormalizing() {
        return canCustomizeNormalizing;
    }
}