/////////////////////////////////////////////////////////////////////////////
// Name:        pokemod/Item.cpp
// Purpose:     Define an item
// Author:      Ben Boeckel
// Modified by: Ben Boeckel
// Created:     Tue Mar 20 18:16:29 2007
// Copyright:   ©2007-2008 Ben Boeckel and Nerdy Productions
// Licence:
//    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 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 General Public License for more details.
//
//    You should have received a copy of the GNU General Public License along
//    with this program.  If not, see <http://www.gnu.org/licenses/>.
/////////////////////////////////////////////////////////////////////////////

#include <QDir>
#include <QListIterator>
#include <QMap>
#include <QMapIterator>
#include <QStringList>
#include <QStringListIterator>

#include "Pokemod.h"
#include "Item.h"

Item::Item(const Pokemod* par, const int _id) :
        Object("Item", par, _id),
        name(""),
        sellable(false),
        type(-1),
        price(0),
        description("")
{
}

Item::Item(const Pokemod* par, const Item& i, const int _id) :
        Object("Item", par, _id)
{
    *this = i;
}

Item::Item(const Pokemod* par, const QString& fname, const int _id) :
        Object("Item", par, _id)
{
    load(fname, _id);
}

bool Item::validate() const
{
    bool valid = true;
    pokemod->validationMsg(QString("---Item \"%1\" with id %2---").arg(name).arg(id), Pokemod::V_Msg);
    if (name == "")
    {
        pokemod->validationMsg("Name is not defined");
        valid = false;
    }
    if (pokemod->getItemTypeIndex(type) == -1)
    {
        pokemod->validationMsg("Invalid item type");
        valid = false;
    }
    if (pokemod->getRules()->getMaxMoney() < price)
    {
        pokemod->validationMsg("Invalid price");
        valid = false;
    }
    if (getEffectCount())
    {
        QMap<int, int> idChecker;
        for (QListIterator<ItemEffect> i(effects); i.hasNext(); i.next())
        {
            if (!i.peekNext().isValid())
                valid = false;
            ++idChecker[i.peekNext().getId()];
        }
        for (QMapIterator<int, int> i(idChecker); i.hasNext(); i.next())
        {
            if (1 < i.value())
            {
                pokemod->validationMsg(QString("There are %1 effects with id %2").arg(i.value()).arg(i.key()));
                valid = false;
            }
        }
    }
    else
    {
        pokemod->validationMsg("There are no effects");
        valid = false;
    }
    return valid;
}

int Item::getNewId() const
{
    int i = 0;
    for (; (i < getEffectCount()) && (getEffectIndex(i) != -1); ++i)
        ;
    return i;
}

void Item::load(const QString& fname, const int _id) throw(Exception)
{
    Ini ini(fname);
    if (_id == -1)
        ini.getValue("id", id);
    else
        id = _id;
    ini.getValue("name", name);
    ini.getValue("sellable", sellable, false);
    ini.getValue("type", type);
    ini.getValue("price", price, 0);
    ini.getValue("description", description);
    QStringList path = pokemod->getPath().split('/');
    path.removeLast();
    QDir fdir(path.join("/"));
    effects.clear();
    if (fdir.cd("effect"))
    {
        for (QStringListIterator i(fdir.entryList(QStringList("*.pini"), QDir::Files, QDir::Name)); i.hasNext(); )
            newEffect(i.next());
    }
}

void Item::save() const throw(Exception)
{
    Ini ini;
    ini.addField("id", id);
    ini.addField("name", name);
    ini.addField("sellable", sellable);
    ini.addField("type", type);
    ini.addField("price", price);
    ini.addField("description", description);
    ini.save(QString("%1/item/%2/data.pini").arg(pokemod->getPath()).arg(name));
    for (QListIterator<ItemEffect> i(effects); i.hasNext(); )
        i.next().save(name);
}

void Item::setName(const QString& n)
{
    name = n;
}

void Item::setSellable(const bool s)
{
    sellable = s;
}

void Item::setType(const int t) throw(BoundsException)
{
    if (pokemod->getItemTypeIndex(t) == -1)
        throw(BoundsException(className, "type"));
    type = t;
}

void Item::setPrice(const int p) throw(BoundsException)
{
    if (pokemod->getRules()->getMaxMoney() < p)
        throw(BoundsException(className, "price"));
    price = p;
}

void Item::setDescription(const QString& d)
{
    description = d;
}

QString Item::getName() const
{
    return name;
}

bool Item::getSellable() const
{
    return sellable;
}

int Item::getType() const
{
    return type;
}

int Item::getPrice() const
{
    return price;
}

QString Item::getDescription() const
{
    return description;
}

const ItemEffect* Item::getEffect(const int i) const throw(IndexException)
{
    if (getEffectCount() <= i)
        throw(IndexException(className));
    return &effects.at(i);
}

ItemEffect* Item::getEffectByID(const int i) throw(IndexException)
{
    if (getEffectCount() <= i)
        throw(IndexException(className));
    return &effects[i];
}

const ItemEffect* Item::getEffectByID(const int i) const throw(IndexException)
{
    return getEffect(getEffectIndex(i));
}

ItemEffect* Item::getEffect(const int i) throw(IndexException)
{
    return getEffect(getEffectIndex(i));
}

int Item::getEffectIndex(const int _id) const
{
    for (int i = 0; i < getEffectCount(); ++i)
    {
        if (effects[i].getId() == _id)
            return i;
    }
    return -1;
}

int Item::getEffectCount() const
{
    return effects.size();
}

ItemEffect* Item::newEffect()
{
    effects.append(ItemEffect(pokemod, getNewId()));
    return &effects[getEffectCount() - 1];
}

ItemEffect* Item::newEffect(const QString& fname)
{
    effects.append(ItemEffect(pokemod, fname, getNewId()));
    return &effects[getEffectCount() - 1];
}

ItemEffect* Item::newEffect(const ItemEffect& e)
{
    effects.append(ItemEffect(pokemod, e, getNewId()));
    return &effects[getEffectCount() - 1];
}

void Item::deleteEffect(const int i) throw(IndexException)
{
    if (getEffectCount() <= i)
        throw(IndexException(className));
    effects.removeAt(i);
}

Item& Item::operator=(const Item& rhs)
{
    if (this == &rhs)
        return *this;
    name = rhs.name;
    sellable = rhs.sellable;
    type = rhs.type;
    price = rhs.price;
    description = rhs.description;
    effects.clear();
    for (int i = 0; i < rhs.getEffectCount(); ++i)
        effects.append(ItemEffect(pokemod, *rhs.getEffect(i), rhs.getEffect(i)->getId()));
    return *this;
}