#pragma once

#include "IJsonCommandCreator.h"
#include "CppCommon/Common/Basic/StringExtensions.h"
#include <vector>
#include <string>
#include <unordered_map>

namespace Incart::Net::WebApi
{

struct JsonCommandFactoryItem final
{
   std::shared_ptr<JsonCommandDescription> description;
   std::shared_ptr<IJsonCommandCreator> commandCreator;

   JsonCommandFactoryItem(std::shared_ptr<JsonCommandDescription> description_, std::shared_ptr<IJsonCommandCreator> commandCreator_)
    : description(description_), commandCreator(commandCreator_)
   {
   }
};

class JsonCommandFactory final
{
private:
    std::unordered_map<std::string, std::shared_ptr<JsonCommandFactoryItem>> m_items;

public:
    JsonCommandFactory()
    {
    }

    void add(std::shared_ptr<JsonCommandDescription> description, std::shared_ptr<IJsonCommandCreator> creator)
    {
        m_items[description->name] = std::make_shared<JsonCommandFactoryItem>(description, creator);
    }

    std::vector<std::string> getDescriptions() const
    {
        std::vector<std::string> descriptions;
        for (auto it = m_items.begin(); it != m_items.end(); ++it)
        {
            descriptions.push_back(it->second->description->toString(0, true));
        }
        return descriptions;
    }

    std::shared_ptr<JsonCommandDescription> getDescription(const std::string& name) const
    {
        std::shared_ptr<JsonCommandFactoryItem> item = getItem(name);
        if (item == nullptr)
        {
            return nullptr;
        }
        return item->description;
    }

    std::shared_ptr<IJsonCommandCreator> getCreator(const std::string& name) const
    {
        std::shared_ptr<JsonCommandFactoryItem> item = getItem(name);
        if (item == nullptr)
        {
            return nullptr;
        }
        return item->commandCreator;
    }

    std::shared_ptr<JsonCommand> create(const std::string& name) const
    {
        std::shared_ptr<JsonCommandFactoryItem> item = getItem(name);
        if (item == nullptr)
        {
            return nullptr;
        }
        return item->commandCreator->create();
    }

private:
    std::shared_ptr<JsonCommandFactoryItem> getItem(const std::string& name) const
    {
        for (auto it = m_items.begin(); it != m_items.end(); it++)
        {
            if (Common::StringExtensions::isEqualsInsensitive(name, it->first))
            {
                return it->second;
            }
        }
        return nullptr;
    }
};

} // namespace Incart::Net::WebApi