#pragma once
#ifndef VENDORCOMPONENT_H
#define VENDORCOMPONENT_H

#include <functional>
#include "CDClientManager.h"
#include "Component.h"
#include "Entity.h"
#include "GameMessages.h"
#include "RakNetTypes.h"
#include "eReplicaComponentType.h"

struct SoldItem {
	SoldItem(const LOT lot, const int32_t sortPriority) {
		this->lot = lot;
		this->sortPriority = sortPriority;
	};
	LOT lot = 0;
	int32_t sortPriority = 0;
};

/**
 * A component for vendor NPCs. A vendor sells items to the player.
 */
class VendorComponent : public Component {
public:
	inline static const eReplicaComponentType ComponentType = eReplicaComponentType::VENDOR;

	VendorComponent(Entity* parent);
	void Startup() override;

	void Serialize(RakNet::BitStream* outBitStream, bool bIsInitialUpdate, unsigned int& flags);

	void OnUse(Entity* originator) override;

	float GetBuyScalar() const { return m_BuyScalar; }

	float GetSellScalar() const { return m_SellScalar; }

	void SetBuyScalar(const float value) { m_BuyScalar = value; }

	void SetSellScalar(const float value) { m_SellScalar = value; }

	std::vector<SoldItem>& GetInventory() {
		return m_Inventory;
	}

	void SetHasMultiCostItems(const bool hasMultiCostItems) {
		if (m_HasMultiCostItems == hasMultiCostItems) return;
		m_HasMultiCostItems = hasMultiCostItems;
		m_DirtyVendor = true;
	}

	void SetHasStandardCostItems(const bool hasStandardCostItems) {
		if (m_HasStandardCostItems == hasStandardCostItems) return;
		m_HasStandardCostItems = hasStandardCostItems;
		m_DirtyVendor = true;
	}

	/**
	 * Refresh the inventory of this vendor.
	 */
	void RefreshInventory(bool isCreation = false);

	/**
	 * Called on startup of vendor to setup the variables for the component.
	 */
	void SetupConstants();

	bool SellsItem(const LOT item) const {
		return std::count_if(m_Inventory.begin(), m_Inventory.end(), [item](const SoldItem& lhs) {
			return lhs.lot == item;
			}) > 0;
	}
private:
	/**
	 * The buy scalar.
	 */
	float m_BuyScalar = 0.0f;

	/**
	 * The sell scalar.
	 */
	float m_SellScalar = 0.0f;

	/**
	 * The refresh time of this vendors' inventory.
	 */
	float m_RefreshTimeSeconds = 0.0f;

	/**
	 * Loot matrix id of this vendor.
	 */
	uint32_t m_LootMatrixID = 0;

	/**
	 * The list of items the vendor sells.
	 */
	std::vector<SoldItem> m_Inventory;

	bool m_DirtyVendor = false;
	bool m_HasStandardCostItems = false;
	bool m_HasMultiCostItems = false;
};

#endif // VENDORCOMPONENT_H