#include "RecipieLoader.h"

#include <Datei.h>
#include <iostream>
#include <stdexcept>

#include "ItemType.h"

using namespace Framework::JSON;
using namespace Validator;

RecipieLoader::RecipieLoader()
    : Framework::ReferenceCounter(),
      validator(0)
{}

RecipieLoader::~RecipieLoader()
{
    if (validator) validator->release();
}

void RecipieLoader::loadRecipies(const char* path)
{
    std::cout << "loading recipies from '" << path << "'" << std::endl;
    Framework::Datei d;
    d.setDatei(path);
    if (d.istOrdner())
    {
        Framework::RCArray<Framework::Text>* files = d.getDateiListe();
        for (Framework::Text* f : *files)
            loadRecipies(Framework::Text(path) + "/" + *f);
        files->release();
    }
    else
    {
        JSONValue* json = loadJSONFromFile(path);
        JSONValidator* validator = zRecipieValidator();
        Framework::RCArray<JSONValidationResult> invalidParts;
        JSONValue* valid = validator->getValidParts(json, &invalidParts);
        for (JSONValidationResult* invalidPart : invalidParts)
        {
            invalidPart->printInvalidInfo();
        }
        json->release();
        int count = 0;
        if (valid)
        {
            for (JSONValue* recipie : *valid->asArray())
                loadRecipie(recipie->asObject());
            count = valid->asArray()->getLength();
            valid->release();
        }
        std::cout << count << " recipies were loaded.\n";
    }
}

void RecipieLoader::loadRecipie(JSONObject* zRecipie)
{
    Framework::Text group = zRecipie->zValue("group")->asString()->getString();
    if (zRecipie->zValue("type")->asString()->getString().istGleich("shaped"))
    {
        int width = (int)zRecipie->zValue("width")->asNumber()->getNumber();
        int height = (int)zRecipie->zValue("height")->asNumber()->getNumber();
        ShapedRecipie* recipie = new ShapedRecipie(width, height);
        for (JSONValue* input : *zRecipie->zValue("inputs")->asArray())
        {
            int x
                = (int)input->asObject()->zValue("x")->asNumber()->getNumber();
            int y
                = (int)input->asObject()->zValue("y")->asNumber()->getNumber();
            ItemFilter* filter
                = loadFilter(input->asObject()->zValue("filter")->asObject());
            CombinedItemModifier* resultingModifier
                = new CombinedItemModifier();
            for (JSONValue* modifier :
                *input->asObject()->zValue("modifiers")->asArray())
                resultingModifier->addModifier(
                    loadModifier(modifier->asObject()));
            recipie->setIngredient(x, y, filter, resultingModifier);
        }
        int outputCount = (int)zRecipie->asObject()
                              ->zValue("outputCount")
                              ->asNumber()
                              ->getNumber();
        Framework::Text outputType = zRecipie->asObject()
                                         ->zValue("output")
                                         ->asObject()
                                         ->zValue("itemType")
                                         ->asString()
                                         ->getString();
        Item* item = 0;
        for (int i = 0; i < StaticRegistry<ItemType>::INSTANCE.getCount(); i++)
        {
            if (StaticRegistry<ItemType>::INSTANCE.zElement(i)
                && StaticRegistry<ItemType>::INSTANCE.zElement(i)
                       ->getName()
                       .istGleich(outputType))
            {
                item = StaticRegistry<ItemType>::INSTANCE.zElement(i)
                           ->createItem();
                break;
            }
        }
        recipie->addOutput(item, outputCount);
        if (!zRecipieList(group)) registerRecipieList(group);
        zRecipieList(group)->addRecipie(recipie);
    }
    else if (zRecipie->zValue("type")->asString()->getString().istGleich(
                 "unordered"))
    {
        UnshapedRecipie* recipie = new UnshapedRecipie();
        for (JSONValue* input : *zRecipie->zValue("inputs")->asArray())
        {
            int count = (int)input->asObject()
                            ->zValue("count")
                            ->asNumber()
                            ->getNumber();
            ItemFilter* filter
                = loadFilter(input->asObject()->zValue("filter")->asObject());
            CombinedItemModifier* resultingModifier
                = new CombinedItemModifier();
            for (JSONValue* modifier :
                *input->asObject()->zValue("modifiers")->asArray())
                resultingModifier->addModifier(
                    loadModifier(modifier->asObject()));
            recipie->addIngredient(filter, count, resultingModifier);
        }
        for (JSONValue* output : *zRecipie->zValue("outputs")->asArray())
        {
            int count = (int)output->asObject()
                            ->zValue("count")
                            ->asNumber()
                            ->getNumber();
            Framework::Text outputType = output->asObject()
                                             ->zValue("item")
                                             ->asObject()
                                             ->zValue("itemType")
                                             ->asString()
                                             ->getString();
            Item* item = 0;
            for (int i = 0; i < StaticRegistry<ItemType>::INSTANCE.getCount();
                 i++)
            {
                if (StaticRegistry<ItemType>::INSTANCE.zElement(i)
                    && StaticRegistry<ItemType>::INSTANCE.zElement(i)
                           ->getName()
                           .istGleich(outputType))
                {
                    item = StaticRegistry<ItemType>::INSTANCE.zElement(i)
                               ->createItem();
                    break;
                }
            }
            recipie->addOutput(item, count);
        }
        if (!zRecipieList(group)) registerRecipieList(group);
        zRecipieList(group)->addRecipie(recipie);
    }
}

ItemFilter* RecipieLoader::loadFilter(JSONObject* zFilter)
{
    if (zFilter->hasValue("itemType"))
    {
        Framework::Text type
            = zFilter->zValue("itemType")->asString()->getString();
        return new TypeItemFilter(StaticRegistry<ItemType>::INSTANCE.zElement(
            ItemType::getTypeId(type)));
    }
    else if (zFilter->hasValue("operator"))
    {
        Framework::Text op
            = zFilter->zValue("operator")->asString()->getString();
        ItemFilter* left = loadFilter(zFilter->zValue("left")->asObject());
        ItemFilter* right = loadFilter(zFilter->zValue("right")->asObject());
        if (op.istGleich("&&"))
        {
            return new CombinedItemFilter(
                left, right, [](bool a, bool b) { return a && b; });
        }
        else if (op.istGleich("||"))
        {
            return new CombinedItemFilter(
                left, right, [](bool a, bool b) { return a || b; });
        }
        else if (op.istGleich("=="))
        {
            return new CombinedItemFilter(
                left, right, [](bool a, bool b) { return a == b; });
        }
        else if (op.istGleich("!="))
        {
            return new CombinedItemFilter(
                left, right, [](bool a, bool b) { return a != b; });
        }
        else
        {
            left->release();
            right->release();
        }
    }
    return 0;
}

RecipieList* RecipieLoader::zRecipieList(const char* name) const
{
    for (RecipieList* l : lists)
    {
        if (l->getName().istGleich(name)) return l;
    }
    return 0;
}

void RecipieLoader::registerRecipieList(const char* name)
{
    if (zRecipieList(name))
        throw new std::invalid_argument("the recipie list already exists");
    lists.add(new RecipieList(name));
}

Framework::Text RecipieLoader::getCrafingUIML(ItemType* zTargetType)
{
    Framework::Text result = "<dialog id=\"crafting_";
    result.append() << zTargetType->getId() << "\"><craftingRecipies>";
    for (RecipieList* list : lists)
    {
        Framework::RCArray<Recipie> recipies;
        list->findRecipies(zTargetType, recipies);
        if (recipies.getEintragAnzahl() > 0)
        {
            result.append()
                << "<craftingRecipieGroup name=\"" << list->getName();
            if (list->getName().istGleich("inventory"))
            {
                result.append()
                    << "\" itemIcon=\"" << ItemTypeEnum::CRAFTING_TABLE;
            }
            result += "\">";
            for (Recipie* recipie : recipies)
            {
                result += recipie->getRecipieUIML();
            }
            result += "</craftingRecipieGroup>";
        }
    }
    result += "</craftingRecipies></dialog>";
    return result;
}

ItemModifier* RecipieLoader::loadModifier(
    Framework::JSON::JSONObject* zModifier)
{
    return new AttributeItemModifier(
        zModifier->zValue("attribute")->asString()->getString(),
        zModifier->zValue("value")->asString()->getString());
}

JSONValidator* RecipieLoader::zRecipieValidator()
{
    if (validator) return validator;
    Framework::RCArray<Framework::Text> itemTypes;
    for (int i = 0; i < StaticRegistry<ItemType>::INSTANCE.getCount(); i++)
    {
        if (StaticRegistry<ItemType>::INSTANCE.zElement(i))
        {
            itemTypes.add(new Framework::Text(
                StaticRegistry<ItemType>::INSTANCE.zElement(i)
                    ->getName()
                    .getText()));
        }
    }
    JSONValidator* typeFilterValidator
        = JSONValidator::buildForObject()
              ->setObjectReferenceId("typeFilter")
              ->withRequiredString("itemType")
              ->whichIsOneOf(itemTypes)
              ->finishString()
              ->finishObject();
    Framework::RCArray<Framework::Text> operators;
    operators.add(new Framework::Text("=="));
    operators.add(new Framework::Text("!="));
    operators.add(new Framework::Text("&&"));
    operators.add(new Framework::Text("||"));
    JSONValidator* operatorFilterValidator
        = JSONValidator::buildForObject()
              ->setObjectReferenceId("operatorFilter")
              ->withRequiredString("operator")
              ->whichIsOneOf(operators)
              ->finishString()
              ->withRequiredAttribute(
                  "left", JSONValidator::buildForObjectReference("typeFilter"))
              ->withRequiredAttribute("left",
                  JSONValidator::buildForObjectReference("operatorFilter"))
              ->withRequiredAttribute(
                  "right", JSONValidator::buildForObjectReference("typeFilter"))
              ->withRequiredAttribute("right",
                  JSONValidator::buildForObjectReference("operatorFilter"))
              ->finishObject();
    JSONValidator* outputValidator = JSONValidator::buildForObject()
                                         ->withRequiredString("itemType")
                                         ->whichIsOneOf(itemTypes)
                                         ->finishString()
                                         ->finishObject();
    validator
        = JSONValidator::buildForArray()
              ->typeSpecifiedByAttribute("type")
              ->removeInvalidEntries()
              ->addAcceptedTypeInArray(
                  JSONValidator::buildForObject()
                      ->withRequiredString("type")
                      ->withExactMatch("shaped")
                      ->finishString()
                      ->withRequiredString("group")
                      ->finishString()
                      ->withRequiredNumber("width")
                      ->whichIsGreaterThen(0)
                      ->finishNumber()
                      ->withRequiredNumber("height")
                      ->whichIsGreaterThen(0)
                      ->finishNumber()
                      ->withRequiredAttribute("inputs",
                          JSONValidator::buildForArray()
                              ->withDefault(new JSONArray())
                              ->addAcceptedTypeInArray(
                                  JSONValidator::buildForObject()
                                      ->withRequiredNumber("x")
                                      ->whichIsGreaterOrEqual(0)
                                      ->finishNumber()
                                      ->withRequiredNumber("y")
                                      ->whichIsGreaterOrEqual(0)
                                      ->finishNumber()
                                      ->withRequiredAttribute("filter",
                                          dynamic_cast<JSONValidator*>(
                                              typeFilterValidator->getThis()))
                                      ->withRequiredAttribute("filter",
                                          dynamic_cast<JSONValidator*>(
                                              operatorFilterValidator
                                                  ->getThis()))
                                      ->withRequiredAttribute("modifiers",
                                          JSONValidator::buildForArray()
                                              ->withDefault(Parser::getValue(
                                                  "[{\"attribute\": \"hp\", "
                                                  "\"value\": \"=0\"}]")
                                                                ->asArray())
                                              ->addAcceptedTypeInArray(
                                                  JSONValidator::
                                                      buildForObject()
                                                          ->withRequiredString(
                                                              "attribute")
                                                          ->finishString()
                                                          ->withRequiredString(
                                                              "value")
                                                          ->finishString()
                                                          ->finishObject())
                                              ->finishArray())
                                      ->finishObject())
                              ->finishArray())
                      ->withRequiredAttribute("output",
                          dynamic_cast<JSONValidator*>(
                              outputValidator->getThis()))
                      ->withRequiredNumber("outputCount")
                      ->withDefault(1)
                      ->whichIsGreaterThen(0)
                      ->finishNumber()
                      ->finishObject())
              ->addAcceptedTypeInArray(
                  JSONValidator::buildForObject()
                      ->withRequiredString("type")
                      ->withExactMatch("unordered")
                      ->finishString()
                      ->withRequiredString("group")
                      ->finishString()
                      ->withRequiredAttribute("inputs",
                          JSONValidator::buildForArray()
                              ->withDefault(new JSONArray())
                              ->addAcceptedTypeInArray(
                                  JSONValidator::buildForObject()
                                      ->withRequiredNumber("count")
                                      ->withDefault(1)
                                      ->whichIsGreaterThen(0)
                                      ->finishNumber()
                                      ->withRequiredAttribute("filter",
                                          dynamic_cast<JSONValidator*>(
                                              typeFilterValidator->getThis()))
                                      ->withRequiredAttribute("filter",
                                          dynamic_cast<JSONValidator*>(
                                              operatorFilterValidator
                                                  ->getThis()))
                                      ->withRequiredAttribute("modifiers",
                                          JSONValidator::buildForArray()
                                              ->withDefault(Parser::getValue(
                                                  "[{\"attribute\": \"hp\", "
                                                  "\"value\": \"=0\"}]")
                                                                ->asArray())
                                              ->addAcceptedTypeInArray(
                                                  JSONValidator::
                                                      buildForObject()
                                                          ->withRequiredString(
                                                              "attribute")
                                                          ->finishString()
                                                          ->withRequiredString(
                                                              "value")
                                                          ->finishString()
                                                          ->finishObject())
                                              ->finishArray())
                                      ->finishObject())
                              ->finishArray())
                      ->withRequiredAttribute("output",
                          JSONValidator::buildForArray()
                              ->addAcceptedTypeInArray(
                                  JSONValidator::buildForObject()
                                      ->withRequiredAttribute("item",
                                          dynamic_cast<JSONValidator*>(
                                              outputValidator->getThis()))
                                      ->withRequiredNumber("count")
                                      ->withDefault(1)
                                      ->whichIsGreaterThen(0)
                                      ->finishNumber()
                                      ->finishObject())
                              ->finishArray())
                      ->finishObject())
              ->finishArray();
    typeFilterValidator->release();
    operatorFilterValidator->release();
    outputValidator->release();
    return validator;
}