#pragma once

#include <ReferenceCounter.h>
#include <Text.h>

#include "Entity.h"

class ChatCommandParameter;

class ChatCommand : public Framework::ConsoleCommand
{
private:
    Framework::Text description;
    int securityLevel;
    Framework::RCArray<ChatCommandParameter> params;

public:
    ChatCommand(
        Framework::Text name, Framework::Text description, int securityLevel);

protected:
    void addParam(ChatCommandParameter* param);

public:
    virtual bool execute(
        Framework::RCArray<Framework::Text>& params, Entity* zActor) const
        = 0;
    bool execute(Framework::RCArray<Framework::Text>& params) const override;
    void addAutocompletePossibilities(
        const Framework::RCArray<Framework::Text>& args,
        bool appendToLast,
        Framework::RCArray<Framework::Text>& possibilities) const override;

    const Framework::RCArray<ChatCommandParameter>& getParams() const;
    Framework::Text getHelp() const;
    virtual int getSecurityLevel(
        Framework::RCArray<Framework::Text> params) const;
};

class ChatCommandParameter : public virtual Framework::ReferenceCounter
{
private:
    Framework::Text name;
    Framework::Text description;
    bool optional;

public:
    ChatCommandParameter(
        Framework::Text name, Framework::Text description, bool optional);

    virtual bool isLegalValue(Framework::Text value) const;
    virtual Framework::Text getDefaultValue(Entity* zActor) const;
    Framework::Text getName() const;
    Framework::Text getDescription() const;
    bool isOptional() const;
    virtual Framework::RCArray<Framework::Text> getAutocompleteValues(
        const Framework::Text& current) const;
};

class PlayerNameParameter : public ChatCommandParameter
{
public:
    PlayerNameParameter();

    bool isLegalValue(Framework::Text value) const override;
    Framework::Text getDefaultValue(Entity* zActor) const override;
    Framework::RCArray<Framework::Text> getAutocompleteValues(
        const Framework::Text& current) const override;
};

class IntegerParameter : public ChatCommandParameter
{
private:
    std::function<int(Entity* zEntity)> calculateDefault;

public:
    IntegerParameter(Framework::Text name,
        Framework::Text description,
        bool optional,
        std::function<int(Entity* zEntity)> calculateDefault);

    bool isLegalValue(Framework::Text value) const override;
    Framework::Text getDefaultValue(Entity* zActor) const override;
};