/*
 * cvwrapper.h
 *
 *  Created on: Dec 17, 2016
 *      Author: nullifiedcat
 */

#ifndef CVWRAPPER_HPP_
#define CVWRAPPER_HPP_

class ConVar;

#include <sdk.hpp>
#include <interfaces.hpp>

#include <beforecheaders.hpp>
#include <string>
#include <vector>
#include <functional>
#include <aftercheaders.hpp>

// Catvar types
enum CatVar_t
{
    CV_SWITCH,
    CV_INT,
    CV_FLOAT,
    CV_STRING,
    CV_ENUM,
    CV_KEY
};

// TODO reverse
// Enum Something
class CatEnum
{
public:
    CatEnum(std::vector<std::string> values, int min = 0);
    std::string Name(int value);

public:
    const std::vector<std::string> value_names;
    int min_value;
    int max_value;
    int size;
};

// TODO reverse, no idea how catcommands are handled
class CatCommand
{
public:
    CatCommand(std::string name, std::string help,
               FnCommandCallback_t callback);
    CatCommand(std::string name, std::string help,
               FnCommandCallbackVoid_t callback);

    void Register();

public:
    const std::string name;
    const std::string help{ "" };

    FnCommandCallback_t callback{ nullptr };
    FnCommandCallbackVoid_t callback_void{ nullptr };

    ConCommand *cmd{ nullptr };
};

class CatVar
{
public: // TODo, unknown reverse
    CatVar(CatVar_t type, std::string name, std::string defaults,
           std::string desc_short, std::string desc_long = "no description");
    CatVar(CatVar_t type, std::string name, std::string defaults,
           std::string desc_short, std::string desc_long, float max_val);
    CatVar(CatVar_t type, std::string name, std::string defaults,
           std::string desc_short, std::string desc_long, float min_val,
           float max_val);
    CatVar(CatEnum &cat_enum, std::string name, std::string defaults,
           std::string desc_short, std::string desc_long);

    inline operator bool() const
    {
        return !!convar_parent->m_nValue;
    }
    inline operator int() const
    {
        return convar_parent->m_nValue;
    }
    inline operator float() const
    {
        return convar_parent->m_fValue;
    }
    inline void operator=(const int &value)
    {
        convar_parent->InternalSetIntValue(value);
    }
    inline void operator=(const float &value)
    {
        convar_parent->InternalSetFloatValue(value);
    }
    inline bool operator==(const int &value) const
    {
        return convar_parent->m_nValue == value;
    }
    inline bool operator==(const float &value) const
    {
        return convar_parent->m_fValue == value;
    }

    void Register();
    typedef std::function<void(CatVar *)> RegisterCallbackFn;
    void OnRegister(RegisterCallbackFn fn);
    void InstallChangeCallback(FnChangeCallback_t callback);

    [[deprecated]] inline bool GetBool() const
    {
        return this->operator bool();
    }
    [[deprecated]] inline int GetInt() const
    {
        return this->operator int();
    }
    [[deprecated]] inline float GetFloat() const
    {
        return this->operator float();
    };
    inline const char *GetString() const
    {
        return convar_parent->GetString();
    }
    [[deprecated]] inline void SetValue(float value)
    {
        this->operator=(value);
    }
    inline void SetValue(std::string value)
    {
        convar_parent->SetValue(value.c_str());
    }
    [[deprecated]] inline void SetValue(int value)
    {
        this->operator=(value);
    }

    inline bool KeyDown()
    {
        return g_IInputSystem->IsButtonDown(
            static_cast<ButtonCode_t>(static_cast<int>(*this)));
    }

    inline const std::string &GetBase() const
    {
        return current_base;
    }

    // Storage for the catvar
public:
    const CatVar_t type;
    const std::string name;
    const std::string defaults{ "0" };
    const std::string desc_short{ "" };
    const std::string desc_long{ "" };
    const CatEnum *const enum_type{ nullptr };

    std::string current_base{ "0" };

    bool restricted{ false };
    float min{ 0.0f };
    float max{ 0.0f };

    std::vector<RegisterCallbackFn> callbacks{};
    bool registered{ false };

    ConVar *convar{ nullptr };
    ConVar *convar_parent{ nullptr };

    int id{ 0 };
    static int last_id;
};

// TODO, find out what this formatting does "std::vector<ClassName*?>&
// ArrayName()?"

// needed for registration
std::vector<CatVar *> &registrationArray();
std::vector<CatCommand *> &commandRegistrationArray();
// List to store catvars
std::vector<CatVar *> &CatVarList();

// Setup commands probs needed at int
void RegisterCatCommands();
void RegisterCatVars();
int GetRebasedCatVarCount();

#endif /* CVWRAPPER_HPP_ */