#include "ItemSlot.h"

#include "ItemStack.h"

ItemSlot::ItemSlot(Framework::Text name,
    int maxSize,
    int pullPriority,
    int pushPriority,
    int allowedPullSide,
    int allowedPushSides,
    bool allowHigherStackSize)
    : ReferenceCounter(),
      items(0),
      maxSize(maxSize),
      allowedPullSide(allowedPullSide),
      allowedPushSides(allowedPushSides),
      pullPriority(pullPriority),
      pushPriority(pushPriority),
      allowHigherStackSize(allowHigherStackSize),
      name(name),
      id(0)
{}

ItemSlot::~ItemSlot()
{
    if (items) items->release();
}

void ItemSlot::setId(int id)
{
    this->id = id;
}

ItemStack* ItemSlot::takeItemsOut(int count, Direction dir)
{
    if (!items) return 0;
    if ((dir | allowedPullSide) == allowedPullSide)
    {
        ItemStack* result = items->split(count);
        if (items->getSize() == 0)
        {
            items->release();
            items = 0;
        }
        return result;
    }
    return 0;
}

void ItemSlot::addItems(ItemStack* zStack, Direction dir)
{
    if ((dir | allowedPushSides) == allowedPushSides)
    {
        if (!items)
        {
            if (allowHigherStackSize)
            {
                items = zStack->split(maxSize);
                items->setMaxSize(maxSize);
            }
            else
            {
                items = zStack->split(
                    MIN(maxSize, zStack->zItem()->getMaxStackSize()));
                items->setMaxSize(
                    MIN(maxSize, items->zItem()->getMaxStackSize()));
            }
        }
        else
            items->addItemStack(zStack);
    }
}

void ItemSlot::update()
{
    if (items && items->getSize() == 0)
    {
        items->release();
        items = 0;
    }
}

int ItemSlot::numberOfAddableItems(const ItemStack* zStack, Direction dir) const
{
    if ((dir | allowedPushSides) == allowedPushSides)
    {
        if (!items)
        {
            if (allowHigherStackSize)
                return maxSize;
            else
                return MIN(maxSize, zStack->zItem()->getMaxStackSize());
        }
        else if (zStack->zItem()
                 && items->zItem()->canBeStackedWith(zStack->zItem()))
            return items->getMaxSize() - items->getSize();
    }
    return 0;
}

const ItemStack* ItemSlot::zStack() const
{
    return items;
}

int ItemSlot::getPullPriority() const
{
    return pullPriority;
}

int ItemSlot::getPushPriority() const
{
    return pushPriority;
}

bool ItemSlot::isFull() const
{
    return items ? items->getSize() >= items->getMaxSize() : maxSize == 0;
}

int ItemSlot::getFreeSpace() const
{
    return items ? items->getMaxSize() - items->getSize() : maxSize;
}

bool ItemSlot::isEmpty() const
{
    return !items;
}

int ItemSlot::getNumberOfItems() const
{
    return items ? items->getSize() : 0;
}

const Framework::Text& ItemSlot::getName() const
{
    return name;
}

int ItemSlot::getId() const
{
    return id;
}

ItemSlotFactory::ItemSlotFactory()
    : ObjectTypeFactory()
{}

JSONObjectValidationBuilder* ItemSlotFactory::addToValidator(
    JSONObjectValidationBuilder* builder) const
{
    Framework::JSON::JSONArray* defaultSides = new Framework::JSON::JSONArray();
    defaultSides->addValue(new Framework::JSON::JSONString("TOP"));
    defaultSides->addValue(new Framework::JSON::JSONString("BOTTOM"));
    defaultSides->addValue(new Framework::JSON::JSONString("NORTH"));
    defaultSides->addValue(new Framework::JSON::JSONString("EAST"));
    defaultSides->addValue(new Framework::JSON::JSONString("SOUTH"));
    defaultSides->addValue(new Framework::JSON::JSONString("WEST"));
    return builder->withRequiredString("category")
        ->withDefault("Inventory")
        ->finishString()
        ->withRequiredNumber("maxSize")
        ->withDefault(50.0)
        ->finishNumber()
        ->withRequiredNumber("pullPriority")
        ->whichIsGreaterThen(0.0)
        ->withDefault(1.0)
        ->finishNumber()
        ->withRequiredNumber("pushPriority")
        ->whichIsGreaterThen(0.0)
        ->withDefault(1.0)
        ->finishNumber()
        ->withRequiredArray("allowedPullSides")
        ->withDefault(
            dynamic_cast<Framework::JSON::JSONArray*>(defaultSides->getThis()))
        ->addAcceptedStringInArray()
        ->whichIsOneOf({"TOP", "BOTTOM", "NORTH", "EAST", "SOUTH", "WEST"})
        ->finishString()
        ->finishArray()
        ->withRequiredArray("allowedPushSides")
        ->withDefault(defaultSides)
        ->addAcceptedStringInArray()
        ->whichIsOneOf({"TOP", "BOTTOM", "NORTH", "EAST", "SOUTH", "WEST"})
        ->finishString()
        ->finishArray()
        ->withRequiredBool("allowHigherStackSize")
        ->withDefault(false)
        ->finishBool();
}

ItemSlot* ItemSlotFactory::fromJson(Framework::JSON::JSONObject* zJson) const
{
    Framework::Text category
        = zJson->zValue("category")->asString()->getString();
    int maxSize = (int)zJson->zValue("maxSize")->asNumber()->getNumber();
    int pullPriority
        = (int)zJson->zValue("pullPriority")->asNumber()->getNumber();
    int pushPriority
        = (int)zJson->zValue("pushPriority")->asNumber()->getNumber();
    int allowedPullSides = 0;
    int allowedPushSides = 0;
    for (Framework::JSON::JSONValue* side :
        *zJson->zValue("allowedPullSides")->asArray())
    {
        Framework::Text sideText = side->asString()->getString();
        if (sideText.istGleich("TOP"))
        {
            allowedPullSides |= TOP;
        }
        else if (sideText.istGleich("BOTTOM"))
        {
            allowedPullSides |= BOTTOM;
        }
        else if (sideText.istGleich("NORTH"))
        {
            allowedPullSides |= NORTH;
        }
        else if (sideText.istGleich("EAST"))
        {
            allowedPullSides |= EAST;
        }
        else if (sideText.istGleich("SOUTH"))
        {
            allowedPullSides |= SOUTH;
        }
        else if (sideText.istGleich("WEST"))
        {
            allowedPullSides |= WEST;
        }
    }
    for (Framework::JSON::JSONValue* side :
        *zJson->zValue("allowedPushSides")->asArray())
    {
        Framework::Text sideText = side->asString()->getString();
        if (sideText.istGleich("TOP"))
        {
            allowedPushSides |= TOP;
        }
        else if (sideText.istGleich("BOTTOM"))
        {
            allowedPushSides |= BOTTOM;
        }
        else if (sideText.istGleich("NORTH"))
        {
            allowedPushSides |= NORTH;
        }
        else if (sideText.istGleich("EAST"))
        {
            allowedPushSides |= EAST;
        }
        else if (sideText.istGleich("SOUTH"))
        {
            allowedPushSides |= SOUTH;
        }
        else if (sideText.istGleich("WEST"))
        {
            allowedPushSides |= WEST;
        }
    }
    bool allowHigherStackSize
        = zJson->zValue("allowHigherStackSize")->asBool()->getBool();
    return new ItemSlot(category,
        maxSize,
        pullPriority,
        pushPriority,
        allowedPullSides,
        allowedPushSides,
        allowHigherStackSize);
}

Framework::JSON::JSONObject* ItemSlotFactory::toJsonObject(
    ItemSlot* zObject) const
{
    Framework::JSON::JSONObject* result = new Framework::JSON::JSONObject();
    result->addValue(
        "category", new Framework::JSON::JSONString(zObject->getName()));
    result->addValue(
        "maxSize", new Framework::JSON::JSONNumber((double)zObject->maxSize));
    result->addValue("pullPriority",
        new Framework::JSON::JSONNumber((double)zObject->getPullPriority()));
    result->addValue("pushPriority",
        new Framework::JSON::JSONNumber((double)zObject->getPushPriority()));
    Framework::JSON::JSONArray* allowedPullSides
        = new Framework::JSON::JSONArray();
    if (zObject->allowedPullSide & TOP)
        allowedPullSides->addValue(new Framework::JSON::JSONString("TOP"));
    if (zObject->allowedPullSide & BOTTOM)
        allowedPullSides->addValue(new Framework::JSON::JSONString("BOTTOM"));
    if (zObject->allowedPullSide & NORTH)
        allowedPullSides->addValue(new Framework::JSON::JSONString("NORTH"));
    if (zObject->allowedPullSide & EAST)
        allowedPullSides->addValue(new Framework::JSON::JSONString("EAST"));
    if (zObject->allowedPullSide & SOUTH)
        allowedPullSides->addValue(new Framework::JSON::JSONString("SOUTH"));
    if (zObject->allowedPullSide & WEST)
        allowedPullSides->addValue(new Framework::JSON::JSONString("WEST"));
    result->addValue("allowedPullSides", allowedPullSides);
    Framework::JSON::JSONArray* allowedPushSides
        = new Framework::JSON::JSONArray();
    if (zObject->allowedPushSides & TOP)
        allowedPushSides->addValue(new Framework::JSON::JSONString("TOP"));
    if (zObject->allowedPushSides & BOTTOM)
        allowedPullSides->addValue(new Framework::JSON::JSONString("BOTTOM"));
    if (zObject->allowedPushSides & NORTH)
        allowedPushSides->addValue(new Framework::JSON::JSONString("NORTH"));
    if (zObject->allowedPushSides & EAST)
        allowedPushSides->addValue(new Framework::JSON::JSONString("EAST"));
    if (zObject->allowedPushSides & SOUTH)
        allowedPushSides->addValue(new Framework::JSON::JSONString("SOUTH"));
    if (zObject->allowedPushSides & WEST)
        allowedPushSides->addValue(new Framework::JSON::JSONString("WEST"));
    result->addValue("allowedPushSides", allowedPushSides);
    result->addValue("allowHigherStackSize",
        new Framework::JSON::JSONBool(zObject->allowHigherStackSize));
    return result;
}