/*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2009 Martin Minarik <ttsmj@pokec.sk>
 * Copyright (c) 2009-2011 Andrey Korotaev <unC0Rr@gmail.com>
 *
 * 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; version 2 of the License
 *
 * 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
 */

#include <QFile>
#include <QTextStream>
#include <QStringList>
#include <QLineEdit>
#include "namegen.h"
#include "hwform.h"
#include "hwconsts.h"


HWNamegen::HWNamegen() :
    typesAvailable(false)
{

    loadTypes();
}

HWNamegen::~HWNamegen()
{
}



void HWNamegen::teamRandomName(HWTeam & team, const int HedgehogNumber)
{
    randomNameByHat(team, HedgehogNumber);
}

void HWNamegen::teamRandomNames(HWTeam & team, const bool changeteamname)
{
    if ((TypesHatnames.size() > 0) && typesAvailable){

        int kind = (rand()%(TypesHatnames.size()));

        if (changeteamname){
            if (TypesTeamnames[kind].size() > 0){
                team.setName(TypesTeamnames[kind][rand()%(TypesTeamnames[kind].size())]);
            }
            team.setGrave(getRandomGrave());
            team.setFort(getRandomFort());
            team.setVoicepack("Default");
        }

        //give each hedgehog a random name:
        //TODO: load the dictionary only once! (right now it's loaded once for each hedgehog)
        for(int i = 0; i < HEDGEHOGS_PER_TEAM; i++)
        {
            if ((TypesHatnames[kind].size()) > 0){
                HWHog hh = team.hedgehog(i);
                hh.Hat = TypesHatnames[kind][rand()%(TypesHatnames[kind].size())];
                team.setHedgehog(i,hh);
            }
            randomNameByHat(team,i);
        }

    }

}


void HWNamegen::randomNameByHat(HWTeam & team, const int HedgehogNumber)
{
    QStringList Dictionaries;
    hatCfgLoad(team.hedgehog(HedgehogNumber).Hat,Dictionaries);

    QStringList Dictionary;
    dictLoad(Dictionaries[rand()%(Dictionaries.size())],Dictionary);

    HWHog hh = team.hedgehog(HedgehogNumber);
    hh.Name = Dictionary[rand()%(Dictionary.size())];
    team.setHedgehog(HedgehogNumber, hh);
}

void HWNamegen::dictLoad(const QString filename, QStringList &list)
{
    list.clear();

    QFile file;
    file.setFileName(QString("%1/Data/Names/%2.txt").arg(cfgdir->absolutePath()).arg(filename));
    if (!file.exists()) file.setFileName(QString("%1/Names/%2.txt").arg(datadir->absolutePath()).arg(filename));
    if (file.open(QIODevice::ReadOnly | QIODevice::Text))
    {

        QTextStream in(&file);
        while (!in.atEnd()) {
            QString line = in.readLine();
            if(line != QString(""))
                {list.append(line);}
        }
    }

    if (list.size()==0)
         list.append(filename);

}


void HWNamegen::hatCfgLoad(const QString hatname, QStringList &list)
{
    list.clear();

    QFile file;
    file.setFileName(QString("%1/Data/Names/%2.cfg").arg(cfgdir->absolutePath()).arg(hatname));
    if (!file.exists()) file.setFileName(QString("%1/Names/%2.cfg").arg(datadir->absolutePath()).arg(hatname));
    if (file.open(QIODevice::ReadOnly | QIODevice::Text))
    {

        QTextStream in(&file);
        while (!in.atEnd()) {
            QString line = in.readLine();
            if(line != QString(""))
                {list.append(line);}
        }
    }

    if (list.size()==0)
         list.append(QString("generic"));

}


void HWNamegen::loadTypes()
{
    QFile file;
    file.setFileName(QString("%1/Data/Names/types.ini").arg(cfgdir->absolutePath()));
    if (!file.exists()) file.setFileName(QString("%1/Names/types.ini").arg(datadir->absolutePath()));
    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
        {typesAvailable = false; return;}

    int counter = 0; //counter starts with 0 (teamnames mode)
    TypesTeamnames.append(QStringList());
    TypesHatnames.append(QStringList());

    QTextStream in(&file);
    while (!in.atEnd()) {
        QString line = in.readLine();
        if (line == QString("#####")){
            counter++; //toggle mode (teamnames || hats)
            if ((counter%2) == 0){
                TypesTeamnames.append(QStringList());
                TypesHatnames.append(QStringList());
            }
        } else if ((line == QString("*****")) || (line == QString("*END*"))){
            typesAvailable = true; return; // bye bye
        } else {
            if ((counter%2) == 0){ // even => teamnames mode
                TypesTeamnames[(counter/2)].append(line);
            } else { // odd => hats mode
                TypesHatnames[((counter-1)/2)].append(line);
            }
        }
//        Types.append(line);
    }
        typesAvailable = true;
    return;
}



QString HWNamegen::getRandomGrave()
{
    QStringList Graves;

    //list all available Graves
    QDir tmpdir;
    tmpdir.cd(cfgdir->absolutePath());
    tmpdir.cd("Data/Graphics/Graves");
    tmpdir.setFilter(QDir::Files);
    Graves.append(tmpdir.entryList(QStringList("*.png")).replaceInStrings(QRegExp("^(.*)\\.png"), "\\1"));

    tmpdir.cd(datadir->absolutePath());
    tmpdir.cd("Graphics/Graves");
    tmpdir.setFilter(QDir::Files);
    QStringList tmpList = tmpdir.entryList(QStringList("*.png")).replaceInStrings(QRegExp("^(.*)\\.png"), "\\1");
    for (QStringList::Iterator it = tmpList.begin(); it != tmpList.end(); ++it) 
        if (!Graves.contains(*it,Qt::CaseInsensitive)) Graves.append(*it);

    if(Graves.size()==0)
    {
        //do some serious error handling
        return "Error";
    }

    //pick a random grave
    return Graves[rand()%(Graves.size())];
}

QString HWNamegen::getRandomFort()
{
    QStringList Forts;

    //list all available Forts
    QDir tmpdir;
    tmpdir.cd(datadir->absolutePath());
    tmpdir.cd("Forts");
    tmpdir.setFilter(QDir::Files);
    Forts.append(tmpdir.entryList(QStringList("*L.png")).replaceInStrings(QRegExp("^(.*)L\\.png"), "\\1"));

    if(Forts.size()==0)
    {
        //do some serious error handling
        return "Error";
    }

    //pick a random fort
    return Forts[rand()%(Forts.size())];
}