#pragma once

#include <Either.h>
#include <Trie.h>
#include <Vec3.h>
#include <VecN.h>

#include "Inventory.h"
#include "Item.h"
#include "NetworkMessage.h"
#include "ReferenceCounter.h"
#include "Tickable.h"

#define CONST_BLOCK(maybeBlock, type)                                     \
    (maybeBlock ? maybeBlock                                              \
                : StaticRegistry<BlockType>::INSTANCE.zElement((int)type) \
                      ->zDefault())

class ItemType;
class Chunk;
class BasicBlockItemType;
class MultiblockStructure;

class TickQueue;

class Block : public Inventory,
              public Tickable
{
private:
    int ticksLeftCounter;
    int currentTickTimeout;
    bool wasTicked;
    bool onTickCalled;

protected:
    bool transparent;
    bool passable;
    float hp;
    float maxHP;
    float hardness;
    int typeId;
    const ItemType* zTool;
    float speedModifier;
    Block* zNeighbours[6];
    int neighbourTypes[6];

    int minTickTimeout;
    int maxTickTimeout;
    bool tickSource;
    bool interactable;
    bool transmissionRequested;
    bool deadAndRemoved;
    unsigned char lightEmisionColor[3];
    int mapColor;

    Framework::RCArray<MultiblockStructure> structures;

    /// <summary>
    /// executes block specific things
    /// </summary>
    /// <param name="zqueue">a queue to add neighbor blocks that should be
    /// ticked after this block</param> <param name="numTicks">the number of
    /// ticks passed since the last call (only for tickSources)</param> <param
    /// name="blocked">can be set to one to tell that this block needs to be
    /// tickt again later in the queue of this tick</param> <returns>true, iff
    /// the block needs to be ticked more often</returns>
    virtual bool onTick(TickQueue* zQueue, int numTicks, bool& blocked) = 0;
    /// <summary>
    /// gets called after each block was tickt.
    /// the order of blocks called will be exactly the same as onTick
    /// </summary>
    virtual void onPostTick() = 0;
    virtual void onDestroy();

    virtual void onDialogClosed(Framework::Text dialogId);
    void broadcastModelInfoChange();
    void broadcastMessage(NetworkMessage *message);

public:
    Block(int typeId,
        const ItemType* zTool,
        Framework::Vec3<int> pos,
        int dimensionId,
        bool hasInventory);
    virtual ~Block();

    void tick(TickQueue* zQueue) override;
    void postTick() override;
    void addToStructure(MultiblockStructure* structure);
    virtual void onLoaded();
    virtual void onUnloaded();
    virtual void setNeighbour(
        Direction dir, Framework::Either<Block*, int> neighbor);
    virtual void setNeighbourBlock(Direction dir, Block* zN);
    virtual void setNeighbourType(Direction dir, int type);
    virtual Framework::Text getTargetUIML();
    virtual void sendModelInfo(NetworkMessage* zMessage);
    virtual bool interact(Item* zItem, Entity* zActor);
    void api(Framework::StreamReader* zRequest, NetworkMessage* zResponse);

    bool isTickSource() const;
    const BlockType* zBlockType() const;
    bool isTransparent() const;
    bool isPassable() const;
    virtual bool isInteractable(const Item *zItem) const;
    float getHP() const;
    float getMaxHP() const;
    float getHardness() const;
    const ItemType* zEffectiveTool() const;
    float getSpeedModifier() const;
    const Framework::Vec3<int> getPos() const;
    bool isVisible() const;
    void setHP(float hp);
    bool isDeadAndRemoved() const;
    const unsigned char* getLightEmisionColor() const;
    virtual void filterPassingLight(unsigned char rgb[3]) const;
    Block* zNeighbor(Direction dir) const;
    void updateModel(ModelInfo info) const;
    int getMapColor() const;

    friend BlockType;
};

class BasicBlockItem : public Item
{
protected:
    bool transparent;
    bool passable;
    float hardness;
    int toolId;
    float speedModifier;
    bool interactable;
    std::function<bool(const Item*, int, Framework::Vec3<int>)> placableProof;

public:
    BasicBlockItem(int itemTypeId, int blockTypeId, const char* name);
    void setPlacableProof(
        std::function<bool(const Item*, int, Framework::Vec3<int>)> condition,
        bool andDefault);
    virtual bool canBeStackedWith(const Item* zItem) const override;
    virtual bool canBePlacedAt(
        int dimensionId, Framework::Vec3<int> worldPos) const override;

    friend BasicBlockItemType;
    friend BlockType;
};

class BasicBlockItemType : public ItemType
{
protected:
    bool transparent;
    bool passable;
    float hardness;
    int toolId;
    float speedModifier;
    int blockTypeId;
    char placableProofState;
    std::function<bool(const Item*, int, Framework::Vec3<int>)> placableProof;

    virtual void loadSuperItem(
        Item* zItem, Framework::StreamReader* zReader) const override;
    virtual void saveSuperItem(
        const Item* zItem, Framework::StreamWriter* zWriter) const override;
    virtual Item* createItem() const override;

public:
    BasicBlockItemType(int id,
        const char* name,
        ItemSkillLevelUpRule* levelUpRule,
        int brokenTypeId,
        ModelInfo model,
        int blockTypeId);
    BasicBlockItemType* setHardness(float hardness);
    BasicBlockItemType* setPlacableProof(
        std::function<bool(const Item*, int, Framework::Vec3<int>)> condition,
        bool andDefault);
};

#include "MultiblockStructure.h"